<?xml version="1.0" encoding="utf-8"?>
<catalog>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/1.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question1.jpg" mp3="AUDIO_REPOS/2062-00.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[LOS ANGELES - Planetary scientists dream ]]></question>
		<saythis><![CDATA[LOS ANGELES     Planetary scientists dream ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-00.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/1.1.jpg" rationale="Right" value="1" choicesay="LOS ANGELES   Planetary scientists dream "><![CDATA[LOS ANGELES  -  Planetary scientists dream ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-01.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/1.1.jpg" rationale="Try again" value="0" choicesay="of sending a geologist to Mars to study its rocks by hand "><![CDATA[of sending a geologist to Mars to study its rocks by hand. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/2.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question2.jpg" mp3="AUDIO_REPOS/2062-01.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[of sending a geologist to Mars to study its rocks by hand. ]]></question>
		<saythis><![CDATA[of sending a geologist to Mars to study its rocks by hand. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-01.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/2.1.jpg" rationale="Right" value="1" choicesay="of sending a geologist to Mars to study its rocks by hand "><![CDATA[of sending a geologist to Mars to study its rocks by hand. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-02.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/2.1.jpg" rationale="Try again" value="0" choicesay="Until then"><![CDATA[Until then,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/3.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question3.jpg" mp3="AUDIO_REPOS/2062-02.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Until then,]]></question>
		<saythis><![CDATA[Until then,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-02.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/3.1.jpg" rationale="Right" value="1" choicesay="Until then"><![CDATA[Until then,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-03.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/3.1.jpg" rationale="Try again" value="0" choicesay="they have to settle for examining meteorites   chunks of the Red Planet that land on Earth "><![CDATA[they have to settle for examining meteorites  -  chunks of the Red Planet that land on Earth ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/4.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question4.jpg" mp3="AUDIO_REPOS/2062-03.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[they have to settle for examining meteorites - chunks of the Red Planet that land on Earth ]]></question>
		<saythis><![CDATA[they have to settle for examining meteorites     chunks of the Red Planet that land on Earth ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-03.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/4.1.jpg" rationale="Right" value="1" choicesay="they have to settle for examining meteorites   chunks of the Red Planet that land on Earth "><![CDATA[they have to settle for examining meteorites  -  chunks of the Red Planet that land on Earth ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-04.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/4.1.jpg" rationale="Try again" value="0" choicesay="after hurtling through space and surviving the searing fall through our atmosphere "><![CDATA[after hurtling through space and surviving the searing fall through our atmosphere. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/5.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question5.jpg" mp3="AUDIO_REPOS/2062-04.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[after hurtling through space and surviving the searing fall through our atmosphere. ]]></question>
		<saythis><![CDATA[after hurtling through space and surviving the searing fall through our atmosphere. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-04.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/5.1.jpg" rationale="Right" value="1" choicesay="after hurtling through space and surviving the searing fall through our atmosphere "><![CDATA[after hurtling through space and surviving the searing fall through our atmosphere. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-05.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/5.1.jpg" rationale="Try again" value="0" choicesay="Though a little banged up"><![CDATA[Though a little banged up,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/6.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question6.jpg" mp3="AUDIO_REPOS/2062-05.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Though a little banged up,]]></question>
		<saythis><![CDATA[Though a little banged up,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-05.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/6.1.jpg" rationale="Right" value="1" choicesay="Though a little banged up"><![CDATA[Though a little banged up,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-06.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/6.1.jpg" rationale="Try again" value="0" choicesay="these meteorites provide a vital "><![CDATA[these meteorites provide a vital ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/7.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question7.jpg" mp3="AUDIO_REPOS/2062-06.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[these meteorites provide a vital ]]></question>
		<saythis><![CDATA[these meteorites provide a vital ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-06.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/7.1.jpg" rationale="Right" value="1" choicesay="these meteorites provide a vital "><![CDATA[these meteorites provide a vital ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-07.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/7.1.jpg" rationale="Try again" value="0" choicesay="up close view of our rust hued neighbor "><![CDATA[up-close view of our rust-hued neighbor. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/8.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question8.jpg" mp3="AUDIO_REPOS/2062-07.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[up-close view of our rust-hued neighbor. ]]></question>
		<saythis><![CDATA[up close view of our. rust hued neighbor. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-07.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/8.1.jpg" rationale="Right" value="1" choicesay="up close view of our rust hued neighbor "><![CDATA[up-close view of our rust-hued neighbor. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-08.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/8.1.jpg" rationale="Try again" value="0" choicesay="But it can be hard for geologists to interpret "><![CDATA[But it can be hard for geologists to interpret ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/9.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question9.jpg" mp3="AUDIO_REPOS/2062-08.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[But it can be hard for geologists to interpret ]]></question>
		<saythis><![CDATA[But it can be hard for geologists to interpret ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-08.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/9.1.jpg" rationale="Right" value="1" choicesay="But it can be hard for geologists to interpret "><![CDATA[But it can be hard for geologists to interpret ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-09.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/9.1.jpg" rationale="Try again" value="0" choicesay="what they see when they can't agree how old a rock is "><![CDATA[what they see when they can't agree how old a rock is. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/10.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question10.jpg" mp3="AUDIO_REPOS/2062-09.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[what they see when they can't agree how old a rock is. ]]></question>
		<saythis><![CDATA[what they see when they can't agree how old a rock is. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-09.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/10.1.jpg" rationale="Right" value="1" choicesay="what they see when they can't agree how old a rock is "><![CDATA[what they see when they can't agree how old a rock is. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-10.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/10.1.jpg" rationale="Try again" value="0" choicesay="Conflicting age estimates for certain rocks differ by up to 4 billion "><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/11.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question11.jpg" mp3="AUDIO_REPOS/2062-10.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion ]]></question>
		<saythis><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-10.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/11.1.jpg" rationale="Right" value="1" choicesay="Conflicting age estimates for certain rocks differ by up to 4 billion "><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-11.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/11.1.jpg" rationale="Try again" value="0" choicesay="years   the vast majority of Mars' planetary existence "><![CDATA[years  -  the vast majority of Mars' planetary existence. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/12.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question12.jpg" mp3="AUDIO_REPOS/2062-11.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[years - the vast majority of Mars' planetary existence. ]]></question>
		<saythis><![CDATA[years     the vast majority of Mars' planetary existence. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-11.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/12.1.jpg" rationale="Right" value="1" choicesay="years   the vast majority of Mars' planetary existence "><![CDATA[years  -  the vast majority of Mars' planetary existence. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-12.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/12.1.jpg" rationale="Try again" value="0" choicesay="Do these rocks tell the beginning or the end"><![CDATA[Do these rocks tell the beginning, or the end,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/13.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question13.jpg" mp3="AUDIO_REPOS/2062-12.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Do these rocks tell the beginning, or the end,]]></question>
		<saythis><![CDATA[Do these rocks tell the beginning, or the end,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-12.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/13.1.jpg" rationale="Right" value="1" choicesay="Do these rocks tell the beginning or the end"><![CDATA[Do these rocks tell the beginning, or the end,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-13.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/13.1.jpg" rationale="Try again" value="0" choicesay="of Mars' story"><![CDATA[of Mars' story?]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/14.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question14.jpg" mp3="AUDIO_REPOS/2062-13.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[of Mars' story?]]></question>
		<saythis><![CDATA[of Mars' story?]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-13.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/14.1.jpg" rationale="Right" value="1" choicesay="of Mars' story"><![CDATA[of Mars' story?]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-14.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/14.1.jpg" rationale="Try again" value="0" choicesay="In a paper last month in the journal Nature"><![CDATA[In a paper last month in the journal Nature,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/15.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question15.jpg" mp3="AUDIO_REPOS/2062-14.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[In a paper last month in the journal Nature,]]></question>
		<saythis><![CDATA[In a paper last month in the journal Nature,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-14.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/15.1.jpg" rationale="Right" value="1" choicesay="In a paper last month in the journal Nature"><![CDATA[In a paper last month in the journal Nature,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-15.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/15.1.jpg" rationale="Try again" value="0" choicesay="an international team of scientists sought to sort "><![CDATA[an international team of scientists sought to sort ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/16.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question16.jpg" mp3="AUDIO_REPOS/2062-15.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[an international team of scientists sought to sort ]]></question>
		<saythis><![CDATA[an international team of scientists sought to sort ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-15.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/16.1.jpg" rationale="Right" value="1" choicesay="an international team of scientists sought to sort "><![CDATA[an international team of scientists sought to sort ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-16.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/16.1.jpg" rationale="Try again" value="0" choicesay="out this issue for a particular group of meteorites known as shergottites "><![CDATA[out this issue for a particular group of meteorites known as shergottites. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/17.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question17.jpg" mp3="AUDIO_REPOS/2062-16.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[out this issue for a particular group of meteorites known as shergottites. ]]></question>
		<saythis><![CDATA[out this issue for a particular group of meteorites known as shergottites. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-16.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/17.1.jpg" rationale="Right" value="1" choicesay="out this issue for a particular group of meteorites known as shergottites "><![CDATA[out this issue for a particular group of meteorites known as shergottites. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-17.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/17.1.jpg" rationale="Try again" value="0" choicesay="Martian space rocks tend to be very old"><![CDATA[Martian space rocks tend to be very old,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/18.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question18.jpg" mp3="AUDIO_REPOS/2062-17.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Martian space rocks tend to be very old,]]></question>
		<saythis><![CDATA[Martian space rocks tend to be very old,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-17.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/18.1.jpg" rationale="Right" value="1" choicesay="Martian space rocks tend to be very old"><![CDATA[Martian space rocks tend to be very old,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-18.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/18.1.jpg" rationale="Try again" value="0" choicesay="but shergottites are generally thought to be remarkably young "><![CDATA[but shergottites are generally thought to be remarkably young ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/19.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question19.jpg" mp3="AUDIO_REPOS/2062-18.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[but shergottites are generally thought to be remarkably young ]]></question>
		<saythis><![CDATA[but shergottites are generally thought to be remarkably young ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-18.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/19.1.jpg" rationale="Right" value="1" choicesay="but shergottites are generally thought to be remarkably young "><![CDATA[but shergottites are generally thought to be remarkably young ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-19.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/19.1.jpg" rationale="Try again" value="0" choicesay="   forming as a result of volcanic activity about 150 million to 250 million years ago "><![CDATA[ -  forming as a result of volcanic activity about 150 million to 250 million years ago, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/20.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question20.jpg" mp3="AUDIO_REPOS/2062-19.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[ - forming as a result of volcanic activity about 150 million to 250 million years ago, ]]></question>
		<saythis><![CDATA[    forming as a result of volcanic activity about 150 million to 250 million years ago, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-19.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/20.1.jpg" rationale="Right" value="1" choicesay="   forming as a result of volcanic activity about 150 million to 250 million years ago "><![CDATA[ -  forming as a result of volcanic activity about 150 million to 250 million years ago, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-20.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/20.1.jpg" rationale="Try again" value="0" choicesay="around the same time that dinosaurs roamed "><![CDATA[around the same time that dinosaurs roamed ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/21.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question21.jpg" mp3="AUDIO_REPOS/2062-20.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[around the same time that dinosaurs roamed ]]></question>
		<saythis><![CDATA[around the same time that dinosaurs roamed ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-20.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/21.1.jpg" rationale="Right" value="1" choicesay="around the same time that dinosaurs roamed "><![CDATA[around the same time that dinosaurs roamed ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-21.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/21.1.jpg" rationale="Try again" value="0" choicesay="during Earth's Jurassic period "><![CDATA[during Earth's Jurassic period. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/22.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question22.jpg" mp3="AUDIO_REPOS/2062-21.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[during Earth's Jurassic period. ]]></question>
		<saythis><![CDATA[during Earth's Jurassic period. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-21.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/22.1.jpg" rationale="Right" value="1" choicesay="during Earth's Jurassic period "><![CDATA[during Earth's Jurassic period. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-22.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/22.1.jpg" rationale="Try again" value="0" choicesay="If so"><![CDATA[If so,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/23.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question23.jpg" mp3="AUDIO_REPOS/2062-22.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[If so,]]></question>
		<saythis><![CDATA[If so,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-22.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/23.1.jpg" rationale="Right" value="1" choicesay="If so"><![CDATA[If so,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-23.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/23.1.jpg" rationale="Try again" value="0" choicesay="shergottites are a sign that Mars might "><![CDATA[shergottites are a sign that Mars might ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/24.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question24.jpg" mp3="AUDIO_REPOS/2062-23.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[shergottites are a sign that Mars might ]]></question>
		<saythis><![CDATA[shergottites are a sign that Mars might ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-23.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/24.1.jpg" rationale="Right" value="1" choicesay="shergottites are a sign that Mars might "><![CDATA[shergottites are a sign that Mars might ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-24.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/24.1.jpg" rationale="Try again" value="0" choicesay="have been geologically active fairly recently "><![CDATA[have been geologically active fairly recently, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/25.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question25.jpg" mp3="AUDIO_REPOS/2062-24.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[have been geologically active fairly recently, ]]></question>
		<saythis><![CDATA[have been geologically active fairly recently, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-24.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/25.1.jpg" rationale="Right" value="1" choicesay="have been geologically active fairly recently "><![CDATA[have been geologically active fairly recently, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-25.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/25.1.jpg" rationale="Try again" value="0" choicesay="and thus perhaps still amenable to some form of life"><![CDATA[and thus perhaps still amenable to some form of life,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/26.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question26.jpg" mp3="AUDIO_REPOS/2062-25.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[and thus perhaps still amenable to some form of life,]]></question>
		<saythis><![CDATA[and thus perhaps still amenable to some form of life,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-25.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/26.1.jpg" rationale="Right" value="1" choicesay="and thus perhaps still amenable to some form of life"><![CDATA[and thus perhaps still amenable to some form of life,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-26.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/26.1.jpg" rationale="Try again" value="0" choicesay="said Munir Humayun"><![CDATA[said Munir Humayun,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/27.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question27.jpg" mp3="AUDIO_REPOS/2062-26.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[said Munir Humayun,]]></question>
		<saythis><![CDATA[said Munir Humayun,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-26.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/27.1.jpg" rationale="Right" value="1" choicesay="said Munir Humayun"><![CDATA[said Munir Humayun,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-27.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/27.1.jpg" rationale="Try again" value="0" choicesay="a planetary geochemist at Florida State University "><![CDATA[a planetary geochemist at Florida State University ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/28.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question28.jpg" mp3="AUDIO_REPOS/2062-27.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[a planetary geochemist at Florida State University ]]></question>
		<saythis><![CDATA[a planetary geochemist at Florida State University ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-27.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/28.1.jpg" rationale="Right" value="1" choicesay="a planetary geochemist at Florida State University "><![CDATA[a planetary geochemist at Florida State University ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-28.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/28.1.jpg" rationale="Try again" value="0" choicesay="who was not involved in the study "><![CDATA[who was not involved in the study. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/29.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question29.jpg" mp3="AUDIO_REPOS/2062-28.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[who was not involved in the study. ]]></question>
		<saythis><![CDATA[who was not involved in the study. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-28.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/29.1.jpg" rationale="Right" value="1" choicesay="who was not involved in the study "><![CDATA[who was not involved in the study. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-29.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/29.1.jpg" rationale="Try again" value="0" choicesay="But a few researchers recently estimated that shergottites are about 4 billion years old   a finding that had far reaching "><![CDATA[But a few researchers recently estimated that shergottites are about 4 billion years old  -  a finding that had far-reaching ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/30.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question30.jpg" mp3="AUDIO_REPOS/2062-29.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[But a few researchers recently estimated that shergottites are about 4 billion years old - a finding that had far-reaching ]]></question>
		<saythis><![CDATA[But a few researchers recently estimated that shergottites are about 4 billion years old     a finding that had far reaching ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-29.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/30.1.jpg" rationale="Right" value="1" choicesay="But a few researchers recently estimated that shergottites are about 4 billion years old   a finding that had far reaching "><![CDATA[But a few researchers recently estimated that shergottites are about 4 billion years old  -  a finding that had far-reaching ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-30.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/30.1.jpg" rationale="Try again" value="0" choicesay="implications for scientists' understanding of Mars' history Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface "><![CDATA[implications for scientists' understanding of Mars' history. "Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/31.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question31.jpg" mp3="AUDIO_REPOS/2062-30.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[implications for scientists' understanding of Mars' history. "Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface, ]]></question>
		<saythis><![CDATA[implications for scientists' understanding of Mars' history. "Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-30.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/31.1.jpg" rationale="Right" value="1" choicesay="implications for scientists' understanding of Mars' history Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface "><![CDATA[implications for scientists' understanding of Mars' history. "Most of us understand that if there is to be life on Mars it's not going to be roaming on the surface, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-31.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/31.1.jpg" rationale="Try again" value="0" choicesay="but it could be thriving underground "><![CDATA[but it could be thriving underground ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/32.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question32.jpg" mp3="AUDIO_REPOS/2062-31.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[but it could be thriving underground ]]></question>
		<saythis><![CDATA[but it could be thriving underground ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-31.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/32.1.jpg" rationale="Right" value="1" choicesay="but it could be thriving underground "><![CDATA[but it could be thriving underground ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-32.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/32.1.jpg" rationale="Try again" value="0" choicesay="with the heat energy provided by volcanism "><![CDATA[with the heat energy provided by volcanism," ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/33.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question33.jpg" mp3="AUDIO_REPOS/2062-32.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[with the heat energy provided by volcanism," ]]></question>
		<saythis><![CDATA[with the heat energy provided by volcanism," ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-32.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/33.1.jpg" rationale="Right" value="1" choicesay="with the heat energy provided by volcanism "><![CDATA[with the heat energy provided by volcanism," ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-33.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/33.1.jpg" rationale="Try again" value="0" choicesay="Humayun said"><![CDATA[Humayun said.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/34.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question34.jpg" mp3="AUDIO_REPOS/2062-33.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Humayun said.]]></question>
		<saythis><![CDATA[Humayun said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-33.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/34.1.jpg" rationale="Right" value="1" choicesay="Humayun said"><![CDATA[Humayun said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-34.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/34.1.jpg" rationale="Try again" value="0" choicesay="But if there hasn't been volcanic activity in 4 billion years  it "><![CDATA[But "if there hasn't been (volcanic activity in) 4 billion years   it ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/35.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question35.jpg" mp3="AUDIO_REPOS/2062-34.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[But "if there hasn't been (volcanic activity in) 4 billion years ... it ]]></question>
		<saythis><![CDATA[But "if there hasn't been (volcanic activity in) 4 billion years   it ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-34.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/35.1.jpg" rationale="Right" value="1" choicesay="But if there hasn't been volcanic activity in 4 billion years  it "><![CDATA[But "if there hasn't been (volcanic activity in) 4 billion years   it ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-35.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/35.1.jpg" rationale="Try again" value="0" choicesay="would be very difficult to believe there was life left on Mars "><![CDATA[would be very difficult to believe there was life left on Mars." ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/36.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question36.jpg" mp3="AUDIO_REPOS/2062-35.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[would be very difficult to believe there was life left on Mars." ]]></question>
		<saythis><![CDATA[would be very difficult to believe there was life left on Mars." ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-35.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/36.1.jpg" rationale="Right" value="1" choicesay="would be very difficult to believe there was life left on Mars "><![CDATA[would be very difficult to believe there was life left on Mars." ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-36.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/36.1.jpg" rationale="Try again" value="0" choicesay="To settle the question"><![CDATA[To settle the question,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/37.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question37.jpg" mp3="AUDIO_REPOS/2062-36.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[To settle the question,]]></question>
		<saythis><![CDATA[To settle the question,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-36.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/37.1.jpg" rationale="Right" value="1" choicesay="To settle the question"><![CDATA[To settle the question,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-37.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/37.1.jpg" rationale="Try again" value="0" choicesay="researchers led by Desmond Moser of Western University in Ontario"><![CDATA[researchers led by Desmond Moser of Western University in Ontario,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/38.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question38.jpg" mp3="AUDIO_REPOS/2062-37.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[researchers led by Desmond Moser of Western University in Ontario,]]></question>
		<saythis><![CDATA[researchers led by Desmond Moser of Western University in Ontario,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-37.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/38.1.jpg" rationale="Right" value="1" choicesay="researchers led by Desmond Moser of Western University in Ontario"><![CDATA[researchers led by Desmond Moser of Western University in Ontario,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-38.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/38.1.jpg" rationale="Try again" value="0" choicesay="Canada examined a meteorite known as Northwest Africa 5298"><![CDATA[Canada, examined a meteorite known as Northwest Africa 5298.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/39.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question39.jpg" mp3="AUDIO_REPOS/2062-38.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Canada, examined a meteorite known as Northwest Africa 5298.]]></question>
		<saythis><![CDATA[Canada, examined a meteorite known as Northwest Africa 5298.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-38.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/39.1.jpg" rationale="Right" value="1" choicesay="Canada examined a meteorite known as Northwest Africa 5298"><![CDATA[Canada, examined a meteorite known as Northwest Africa 5298.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-39.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/39.1.jpg" rationale="Try again" value="0" choicesay="They looked at very tiny deposits "><![CDATA[They looked at very tiny deposits ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/40.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question40.jpg" mp3="AUDIO_REPOS/2062-39.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[They looked at very tiny deposits ]]></question>
		<saythis><![CDATA[They looked at very tiny deposits ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-39.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/40.1.jpg" rationale="Right" value="1" choicesay="They looked at very tiny deposits "><![CDATA[They looked at very tiny deposits ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-40.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/40.1.jpg" rationale="Try again" value="0" choicesay="within it known as baddeleyites   tough "><![CDATA[within it known as baddeleyites  -  tough, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/41.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question41.jpg" mp3="AUDIO_REPOS/2062-40.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[within it known as baddeleyites - tough, ]]></question>
		<saythis><![CDATA[within it known as baddeleyites     tough, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-40.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/41.1.jpg" rationale="Right" value="1" choicesay="within it known as baddeleyites   tough "><![CDATA[within it known as baddeleyites  -  tough, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-41.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/41.1.jpg" rationale="Try again" value="0" choicesay="zirconium rich minerals that are 10 "><![CDATA[zirconium-rich minerals that are "10 ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/42.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question42.jpg" mp3="AUDIO_REPOS/2062-41.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[zirconium-rich minerals that are "10 ]]></question>
		<saythis><![CDATA[zirconium rich minerals that are "10 ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-41.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/42.1.jpg" rationale="Right" value="1" choicesay="zirconium rich minerals that are 10 "><![CDATA[zirconium-rich minerals that are "10 ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-42.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/42.1.jpg" rationale="Try again" value="0" choicesay="times smaller than the diameter of a human hair "><![CDATA[times smaller than the diameter of a human hair," ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/43.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question43.jpg" mp3="AUDIO_REPOS/2062-42.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[times smaller than the diameter of a human hair," ]]></question>
		<saythis><![CDATA[times smaller than the diameter of a human hair," ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-42.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/43.1.jpg" rationale="Right" value="1" choicesay="times smaller than the diameter of a human hair "><![CDATA[times smaller than the diameter of a human hair," ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-43.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/43.1.jpg" rationale="Try again" value="0" choicesay="said study co author Axel Schmitt"><![CDATA[said study co-author Axel Schmitt,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/44.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question44.jpg" mp3="AUDIO_REPOS/2062-43.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[said study co-author Axel Schmitt,]]></question>
		<saythis><![CDATA[said study co-author Axel Schmitt,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-43.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/44.1.jpg" rationale="Right" value="1" choicesay="said study co author Axel Schmitt"><![CDATA[said study co-author Axel Schmitt,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-44.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/44.1.jpg" rationale="Try again" value="0" choicesay="a geochemist at the University of California Los Angeles"><![CDATA[a geochemist at the University of California, Los Angeles.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/45.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question45.jpg" mp3="AUDIO_REPOS/2062-44.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[a geochemist at the University of California, Los Angeles.]]></question>
		<saythis><![CDATA[a geochemist at the University of California, Los Angeles.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-44.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/45.1.jpg" rationale="Right" value="1" choicesay="a geochemist at the University of California Los Angeles"><![CDATA[a geochemist at the University of California, Los Angeles.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-45.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/45.1.jpg" rationale="Try again" value="0" choicesay="Researchers generally measure relative amounts of pairs of radioactive "><![CDATA[Researchers generally measure relative amounts of pairs of radioactive ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/46.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question46.jpg" mp3="AUDIO_REPOS/2062-45.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Researchers generally measure relative amounts of pairs of radioactive ]]></question>
		<saythis><![CDATA[Researchers generally measure relative amounts of pairs of radioactive ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-45.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/46.1.jpg" rationale="Right" value="1" choicesay="Researchers generally measure relative amounts of pairs of radioactive "><![CDATA[Researchers generally measure relative amounts of pairs of radioactive ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-46.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/46.1.jpg" rationale="Try again" value="0" choicesay="elements in rocks to gauge how long a rock has been around since it fully crystallized "><![CDATA[elements in rocks to gauge how long a rock has been around since it fully crystallized. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/47.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question47.jpg" mp3="AUDIO_REPOS/2062-46.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[elements in rocks to gauge how long a rock has been around since it fully crystallized. ]]></question>
		<saythis><![CDATA[elements in rocks to gauge how long a rock has been around since it fully crystallized. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-46.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/47.1.jpg" rationale="Right" value="1" choicesay="elements in rocks to gauge how long a rock has been around since it fully crystallized "><![CDATA[elements in rocks to gauge how long a rock has been around since it fully crystallized. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-47.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/47.1.jpg" rationale="Try again" value="0" choicesay="But that isotopic ratio can be reset "><![CDATA[But that isotopic ratio can be reset ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/48.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question48.jpg" mp3="AUDIO_REPOS/2062-47.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[But that isotopic ratio can be reset ]]></question>
		<saythis><![CDATA[But that isotopic ratio can be reset ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-47.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/48.1.jpg" rationale="Right" value="1" choicesay="But that isotopic ratio can be reset "><![CDATA[But that isotopic ratio can be reset ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-48.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/48.1.jpg" rationale="Try again" value="0" choicesay="by a big impact that melts the rock down "><![CDATA[by a big impact that melts the rock down, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/49.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question49.jpg" mp3="AUDIO_REPOS/2062-48.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[by a big impact that melts the rock down, ]]></question>
		<saythis><![CDATA[by a big impact that melts the rock down, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-48.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/49.1.jpg" rationale="Right" value="1" choicesay="by a big impact that melts the rock down "><![CDATA[by a big impact that melts the rock down, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-49.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/49.1.jpg" rationale="Try again" value="0" choicesay="erasing the geochemical trail"><![CDATA[erasing the geochemical trail.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/50.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question50.jpg" mp3="AUDIO_REPOS/2062-49.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[erasing the geochemical trail.]]></question>
		<saythis><![CDATA[erasing the geochemical trail.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-49.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/50.1.jpg" rationale="Right" value="1" choicesay="erasing the geochemical trail"><![CDATA[erasing the geochemical trail.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-50.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/50.1.jpg" rationale="Try again" value="0" choicesay="That's why scientists picked the tiny baddeleyites: Once they form"><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/51.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question51.jpg" mp3="AUDIO_REPOS/2062-50.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form,]]></question>
		<saythis><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-50.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/51.1.jpg" rationale="Right" value="1" choicesay="That's why scientists picked the tiny baddeleyites: Once they form"><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-51.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/51.1.jpg" rationale="Try again" value="0" choicesay="they are resilient little minerals"><![CDATA[they are resilient little minerals.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/52.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question52.jpg" mp3="AUDIO_REPOS/2062-51.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[they are resilient little minerals.]]></question>
		<saythis><![CDATA[they are resilient little minerals.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-51.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/52.1.jpg" rationale="Right" value="1" choicesay="they are resilient little minerals"><![CDATA[they are resilient little minerals.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-52.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/52.1.jpg" rationale="Try again" value="0" choicesay="It's not easy to melt them "><![CDATA[It's not easy to melt them ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/53.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question53.jpg" mp3="AUDIO_REPOS/2062-52.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[It's not easy to melt them ]]></question>
		<saythis><![CDATA[It's not easy to melt them ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-52.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/53.1.jpg" rationale="Right" value="1" choicesay="It's not easy to melt them "><![CDATA[It's not easy to melt them ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-53.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/53.1.jpg" rationale="Try again" value="0" choicesay="down and reset their isotopic clock "><![CDATA[down and reset their isotopic clock. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/54.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question54.jpg" mp3="AUDIO_REPOS/2062-53.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[down and reset their isotopic clock. ]]></question>
		<saythis><![CDATA[down and reset their isotopic clock. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-53.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/54.1.jpg" rationale="Right" value="1" choicesay="down and reset their isotopic clock "><![CDATA[down and reset their isotopic clock. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-54.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/54.1.jpg" rationale="Try again" value="0" choicesay="By looking at the isotopic ratios of "><![CDATA[By looking at the isotopic ratios of ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/55.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question55.jpg" mp3="AUDIO_REPOS/2062-54.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[By looking at the isotopic ratios of ]]></question>
		<saythis><![CDATA[By looking at the isotopic ratios of ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-54.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/55.1.jpg" rationale="Right" value="1" choicesay="By looking at the isotopic ratios of "><![CDATA[By looking at the isotopic ratios of ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-55.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/55.1.jpg" rationale="Try again" value="0" choicesay="radioactive uranium and lead in this tough rock "><![CDATA[radioactive uranium and lead in this tough rock, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/56.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question56.jpg" mp3="AUDIO_REPOS/2062-55.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[radioactive uranium and lead in this tough rock, ]]></question>
		<saythis><![CDATA[radioactive uranium and lead in this tough rock, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-55.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/56.1.jpg" rationale="Right" value="1" choicesay="radioactive uranium and lead in this tough rock "><![CDATA[radioactive uranium and lead in this tough rock, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-56.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/56.1.jpg" rationale="Try again" value="0" choicesay="the scientists found that it formed about "><![CDATA[the scientists found that it formed about ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/57.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question57.jpg" mp3="AUDIO_REPOS/2062-56.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[the scientists found that it formed about ]]></question>
		<saythis><![CDATA[the scientists found that it formed about ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-56.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/57.1.jpg" rationale="Right" value="1" choicesay="the scientists found that it formed about "><![CDATA[the scientists found that it formed about ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-57.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/57.1.jpg" rationale="Try again" value="0" choicesay="187 million years ago give or take 33 million "><![CDATA[187 million years ago (give or take 33 million). ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/58.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question58.jpg" mp3="AUDIO_REPOS/2062-57.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[187 million years ago (give or take 33 million). ]]></question>
		<saythis><![CDATA[187 million years ago (give or take 33 million). ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-57.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/58.1.jpg" rationale="Right" value="1" choicesay="187 million years ago give or take 33 million "><![CDATA[187 million years ago (give or take 33 million). ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-58.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/58.1.jpg" rationale="Try again" value="0" choicesay="This confirmed that the baddeleyites were young"><![CDATA[This confirmed that the baddeleyites were young.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/59.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question59.jpg" mp3="AUDIO_REPOS/2062-58.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[This confirmed that the baddeleyites were young.]]></question>
		<saythis><![CDATA[This confirmed that the baddeleyites were young.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-58.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/59.1.jpg" rationale="Right" value="1" choicesay="This confirmed that the baddeleyites were young"><![CDATA[This confirmed that the baddeleyites were young.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-59.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/59.1.jpg" rationale="Try again" value="0" choicesay="The scientists could also see evidence of the damage done to the meteorite by "><![CDATA[The scientists could also see evidence of the damage done to the meteorite by ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/60.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question60.jpg" mp3="AUDIO_REPOS/2062-59.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[The scientists could also see evidence of the damage done to the meteorite by ]]></question>
		<saythis><![CDATA[The scientists could also see evidence of the damage done to the meteorite by ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-59.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/60.1.jpg" rationale="Right" value="1" choicesay="The scientists could also see evidence of the damage done to the meteorite by "><![CDATA[The scientists could also see evidence of the damage done to the meteorite by ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-60.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/60.1.jpg" rationale="Try again" value="0" choicesay="the event that may have released it from the Martian surface about 22 million years ago give or take 2 million "><![CDATA[the event that may have released it from the Martian surface about 22 million years ago (give or take 2 million). ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/61.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question61.jpg" mp3="AUDIO_REPOS/2062-60.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[the event that may have released it from the Martian surface about 22 million years ago (give or take 2 million). ]]></question>
		<saythis><![CDATA[the event that may have released it from the Martian surface about 22 million years ago (give or take 2 million). ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-60.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/61.1.jpg" rationale="Right" value="1" choicesay="the event that may have released it from the Martian surface about 22 million years ago give or take 2 million "><![CDATA[the event that may have released it from the Martian surface about 22 million years ago (give or take 2 million). ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-61.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/61.1.jpg" rationale="Try again" value="0" choicesay="The shock from that impact "><![CDATA[The shock from that impact ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/62.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question62.jpg" mp3="AUDIO_REPOS/2062-61.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[The shock from that impact ]]></question>
		<saythis><![CDATA[The shock from that impact ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-61.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/62.1.jpg" rationale="Right" value="1" choicesay="The shock from that impact "><![CDATA[The shock from that impact ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-62.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/62.1.jpg" rationale="Try again" value="0" choicesay="muddled up the mineral structure inside "><![CDATA[muddled up the mineral structure inside, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/63.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question63.jpg" mp3="AUDIO_REPOS/2062-62.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[muddled up the mineral structure inside, ]]></question>
		<saythis><![CDATA[muddled up the mineral structure inside, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-62.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/63.1.jpg" rationale="Right" value="1" choicesay="muddled up the mineral structure inside "><![CDATA[muddled up the mineral structure inside, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-63.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/63.1.jpg" rationale="Try again" value="0" choicesay="while keeping the chemicals themselves mostly intact "><![CDATA[while keeping the chemicals themselves mostly intact ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/64.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question64.jpg" mp3="AUDIO_REPOS/2062-63.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[while keeping the chemicals themselves mostly intact ]]></question>
		<saythis><![CDATA[while keeping the chemicals themselves mostly intact ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-63.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/64.1.jpg" rationale="Right" value="1" choicesay="while keeping the chemicals themselves mostly intact "><![CDATA[while keeping the chemicals themselves mostly intact ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-64.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/64.1.jpg" rationale="Try again" value="0" choicesay="   like shaking up a sealed gift box of chocolates "><![CDATA[ -  like shaking up a sealed gift box of chocolates. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/65.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question65.jpg" mp3="AUDIO_REPOS/2062-64.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[ - like shaking up a sealed gift box of chocolates. ]]></question>
		<saythis><![CDATA[    like shaking up a sealed gift box of chocolates. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-64.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/65.1.jpg" rationale="Right" value="1" choicesay="   like shaking up a sealed gift box of chocolates "><![CDATA[ -  like shaking up a sealed gift box of chocolates. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-65.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/65.1.jpg" rationale="Try again" value="0" choicesay="It looks good on the outside"><![CDATA["It looks good on the outside,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/66.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question66.jpg" mp3="AUDIO_REPOS/2062-65.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA["It looks good on the outside,]]></question>
		<saythis><![CDATA["It looks good on the outside,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-65.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/66.1.jpg" rationale="Right" value="1" choicesay="It looks good on the outside"><![CDATA["It looks good on the outside,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-66.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/66.1.jpg" rationale="Try again" value="0" choicesay="but all the pieces are dislodged on the inside"><![CDATA[but all the pieces are dislodged on the inside,"]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/67.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question67.jpg" mp3="AUDIO_REPOS/2062-66.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[but all the pieces are dislodged on the inside,"]]></question>
		<saythis><![CDATA[but all the pieces are dislodged on the inside,"]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-66.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/67.1.jpg" rationale="Right" value="1" choicesay="but all the pieces are dislodged on the inside"><![CDATA[but all the pieces are dislodged on the inside,"]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-67.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/67.1.jpg" rationale="Try again" value="0" choicesay="Schmitt said"><![CDATA[Schmitt said.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/68.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question68.jpg" mp3="AUDIO_REPOS/2062-67.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Schmitt said.]]></question>
		<saythis><![CDATA[Schmitt said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-67.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/68.1.jpg" rationale="Right" value="1" choicesay="Schmitt said"><![CDATA[Schmitt said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-68.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/68.1.jpg" rationale="Try again" value="0" choicesay="The study further shows that the shergottites weren't old rocks"><![CDATA[The study further shows that the shergottites weren't old rocks,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/69.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question69.jpg" mp3="AUDIO_REPOS/2062-68.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[The study further shows that the shergottites weren't old rocks,]]></question>
		<saythis><![CDATA[The study further shows that the shergottites weren't old rocks,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-68.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/69.1.jpg" rationale="Right" value="1" choicesay="The study further shows that the shergottites weren't old rocks"><![CDATA[The study further shows that the shergottites weren't old rocks,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-69.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/69.1.jpg" rationale="Try again" value="0" choicesay="Humayun said   although he also called the argument that they were ancient "><![CDATA[Humayun said  -  although he also called the argument that they were ancient ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/70.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question70.jpg" mp3="AUDIO_REPOS/2062-69.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[Humayun said - although he also called the argument that they were ancient ]]></question>
		<saythis><![CDATA[Humayun said     although he also called the argument that they were ancient ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-69.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/70.1.jpg" rationale="Right" value="1" choicesay="Humayun said   although he also called the argument that they were ancient "><![CDATA[Humayun said  -  although he also called the argument that they were ancient ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-70.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/70.1.jpg" rationale="Try again" value="0" choicesay="a straw man that's been set up that everybody's trying to take down "><![CDATA[a "straw man that's been set up that everybody's trying to take down." ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/71.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question71.jpg" mp3="AUDIO_REPOS/2062-70.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[a "straw man that's been set up that everybody's trying to take down." ]]></question>
		<saythis><![CDATA[a "straw man that's been set up that everybody's trying to take down." ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-70.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/71.1.jpg" rationale="Right" value="1" choicesay="a straw man that's been set up that everybody's trying to take down "><![CDATA[a "straw man that's been set up that everybody's trying to take down." ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-71.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/71.1.jpg" rationale="Try again" value="0" choicesay="If they had found that it was 4 billion years old"><![CDATA["If they had found that it was 4 billion years old,]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/72.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question72.jpg" mp3="AUDIO_REPOS/2062-71.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA["If they had found that it was 4 billion years old,]]></question>
		<saythis><![CDATA["If they had found that it was 4 billion years old,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-71.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/72.1.jpg" rationale="Right" value="1" choicesay="If they had found that it was 4 billion years old"><![CDATA["If they had found that it was 4 billion years old,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-72.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/72.1.jpg" rationale="Try again" value="0" choicesay="I would eat my hat he said"><![CDATA[I would eat my hat," he said.]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/73.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question73.jpg" mp3="AUDIO_REPOS/2062-72.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[I would eat my hat," he said.]]></question>
		<saythis><![CDATA[I would eat my hat," he said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-72.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/73.1.jpg" rationale="Right" value="1" choicesay="I would eat my hat he said"><![CDATA[I would eat my hat," he said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-73.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/73.1.jpg" rationale="Try again" value="0" choicesay="The researchers say they can use their method of dating "><![CDATA[The researchers say they can use their method of dating ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/74.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question74.jpg" mp3="AUDIO_REPOS/2062-73.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[The researchers say they can use their method of dating ]]></question>
		<saythis><![CDATA[The researchers say they can use their method of dating ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-73.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/74.1.jpg" rationale="Right" value="1" choicesay="The researchers say they can use their method of dating "><![CDATA[The researchers say they can use their method of dating ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-74.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/74.1.jpg" rationale="Try again" value="0" choicesay="these rocks to study the other Martian meteorites in Earthly possession "><![CDATA[these rocks to study the other Martian meteorites in Earthly possession, ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/75.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question75.jpg" mp3="AUDIO_REPOS/2062-74.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[these rocks to study the other Martian meteorites in Earthly possession, ]]></question>
		<saythis><![CDATA[these rocks to study the other Martian meteorites in Earthly possession, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-74.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/75.1.jpg" rationale="Right" value="1" choicesay="these rocks to study the other Martian meteorites in Earthly possession "><![CDATA[these rocks to study the other Martian meteorites in Earthly possession, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-75.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/75.1.jpg" rationale="Try again" value="0" choicesay="and see if it reveals new information about "><![CDATA[and see if it reveals new information about ]]></answer>
	</question>
	<question>
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		<question isaudiomp3="1" rationale="0" picture="images/question76.jpg" mp3="AUDIO_REPOS/2062-75.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[and see if it reveals new information about ]]></question>
		<saythis><![CDATA[and see if it reveals new information about ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-75.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/76.1.jpg" rationale="Right" value="1" choicesay="and see if it reveals new information about "><![CDATA[and see if it reveals new information about ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-76.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/76.1.jpg" rationale="Try again" value="0" choicesay="the Red Planet's geophysical inner life "><![CDATA[the Red Planet's geophysical inner life. ]]></answer>
	</question>
	<question>
		<phrase isaudiomp3="1" mp3="AUDIO_REPOS/77.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question77.jpg" mp3="AUDIO_REPOS/2062-76.mp3" exercise_type="" questionmode="" choicemode="" answerbankid="" answerbankmode="" rationalemode="" playonload="" mp3speed="" ttsspeed="" passage="1" show_passage="" show_passage_audioplayer="" passage_audio_type="" showvideo="" video="" enable_audio_recorder="" recorder_mode=""><![CDATA[the Red Planet's geophysical inner life. ]]></question>
		<saythis><![CDATA[the Red Planet's geophysical inner life. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2062-76.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/77.1.jpg" rationale="Right" value="1" choicesay="the Red Planet's geophysical inner life "><![CDATA[the Red Planet's geophysical inner life. ]]></answer>
	</question>
</catalog>