<?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/2063-00.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 of sending a geologist to Mars to study its rocks by hand. Until then,]]></question>
		<saythis><![CDATA[LOS ANGELES     Planetary scientists dream of sending a geologist to Mars to study its rocks by hand. Until then,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-00.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/1.1.jpg" rationale="Right" value="1" choicesay="LOS ANGELES   Planetary scientists dream of sending a geologist to Mars to study its rocks by hand Until then"><![CDATA[LOS ANGELES  -  Planetary scientists dream of sending a geologist to Mars to study its rocks by hand. Until then,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-01.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/1.1.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/2.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question2.jpg" mp3="AUDIO_REPOS/2063-01.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[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/2063-01.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/2.1.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/2063-02.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/2.1.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/3.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question3.jpg" mp3="AUDIO_REPOS/2063-02.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[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/2063-02.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/3.1.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/2063-03.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/3.1.jpg" rationale="Try again" value="0" choicesay="Though a little banged up these meteorites provide a vital up close view of our rust hued neighbor"><![CDATA[Though a little banged up, these meteorites provide a vital up-close view of our rust-hued neighbor.]]></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/2063-03.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[Though a little banged up, these meteorites provide a vital up-close view of our rust-hued neighbor.]]></question>
		<saythis><![CDATA[Though a little banged up, these meteorites provide a vital up close view of our rust hued neighbor.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-03.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/4.1.jpg" rationale="Right" value="1" choicesay="Though a little banged up these meteorites provide a vital up close view of our rust hued neighbor"><![CDATA[Though a little banged up, these meteorites provide a vital up-close view of our rust-hued neighbor.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-04.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/4.1.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/5.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question5.jpg" mp3="AUDIO_REPOS/2063-04.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[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/2063-04.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/5.1.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/2063-05.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/5.1.jpg" rationale="Try again" value="0" choicesay="what they see when they can't agree on how old a rock is "><![CDATA[what they see when they can't agree on how old a rock is. ]]></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/2063-05.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[what they see when they can't agree on how old a rock is. ]]></question>
		<saythis><![CDATA[what they see when they can't agree on how old a rock is. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-05.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/6.1.jpg" rationale="Right" value="1" choicesay="what they see when they can't agree on how old a rock is "><![CDATA[what they see when they can't agree on how old a rock is. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-06.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/6.1.jpg" rationale="Try again" value="0" choicesay="Conflicting age estimates for certain rocks differ by up to 4 billion years   the vast majority of Mars' planetary existence"><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion years  -  the vast majority of Mars' planetary existence.]]></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/2063-06.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[Conflicting age estimates for certain rocks differ by up to 4 billion years - the vast majority of Mars' planetary existence.]]></question>
		<saythis><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion years     the vast majority of Mars' planetary existence.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-06.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/7.1.jpg" rationale="Right" value="1" choicesay="Conflicting age estimates for certain rocks differ by up to 4 billion years   the vast majority of Mars' planetary existence"><![CDATA[Conflicting age estimates for certain rocks differ by up to 4 billion years  -  the vast majority of Mars' planetary existence.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-07.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/7.1.jpg" rationale="Try again" value="0" choicesay="Do these rocks tell the beginning or the end of Mars' story"><![CDATA[Do these rocks tell the beginning, or the end, of Mars' story?]]></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/2063-07.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[Do these rocks tell the beginning, or the end, of Mars' story?]]></question>
		<saythis><![CDATA[Do these rocks tell the beginning, or the end, of Mars' story?]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-07.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/8.1.jpg" rationale="Right" value="1" choicesay="Do these rocks tell the beginning or the end of Mars' story"><![CDATA[Do these rocks tell the beginning, or the end, of Mars' story?]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-08.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/8.1.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/9.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question9.jpg" mp3="AUDIO_REPOS/2063-08.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[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/2063-08.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/9.1.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/2063-09.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/9.1.jpg" rationale="Try again" value="0" choicesay="an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites"><![CDATA[an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites.]]></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/2063-09.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[an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites.]]></question>
		<saythis><![CDATA[an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-09.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/10.1.jpg" rationale="Right" value="1" choicesay="an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites"><![CDATA[an international team of scientists sought to sort this out for a particular group of meteorites known as shergottites.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-10.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/10.1.jpg" rationale="Try again" value="0" choicesay="Martian space rocks tend to be very old but shergottites are thought to be remarkably young"><![CDATA[Martian space rocks tend to be very old, but shergottites are thought to be remarkably young.]]></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/2063-10.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[Martian space rocks tend to be very old, but shergottites are thought to be remarkably young.]]></question>
		<saythis><![CDATA[Martian space rocks tend to be very old, but shergottites are thought to be remarkably young.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-10.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/11.1.jpg" rationale="Right" value="1" choicesay="Martian space rocks tend to be very old but shergottites are thought to be remarkably young"><![CDATA[Martian space rocks tend to be very old, but shergottites are thought to be remarkably young.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-11.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/11.1.jpg" rationale="Try again" value="0" choicesay="Formed When Dinosaurs Roamed Earth"><![CDATA[Formed When Dinosaurs Roamed Earth]]></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/2063-11.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[Formed When Dinosaurs Roamed Earth]]></question>
		<saythis><![CDATA[Formed When Dinosaurs Roamed Earth]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-11.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/12.1.jpg" rationale="Right" value="1" choicesay="Formed When Dinosaurs Roamed Earth"><![CDATA[Formed When Dinosaurs Roamed Earth]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-12.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/12.1.jpg" rationale="Try again" value="0" choicesay="Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago"><![CDATA[Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago.]]></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/2063-12.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[Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago.]]></question>
		<saythis><![CDATA[Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-12.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/13.1.jpg" rationale="Right" value="1" choicesay="Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago"><![CDATA[Most scientists believe the shergottites were formed as a result of volcanic activity about 150 to 250 million years ago.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-13.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/13.1.jpg" rationale="Try again" value="0" choicesay="This would place their formation during Earth's Jurassic period when dinosaurs roamed the Earth"><![CDATA[This would place their formation during Earth's Jurassic period, when dinosaurs roamed the Earth.]]></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/2063-13.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[This would place their formation during Earth's Jurassic period, when dinosaurs roamed the Earth.]]></question>
		<saythis><![CDATA[This would place their formation during Earth's Jurassic period, when dinosaurs roamed the Earth.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-13.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/14.1.jpg" rationale="Right" value="1" choicesay="This would place their formation during Earth's Jurassic period when dinosaurs roamed the Earth"><![CDATA[This would place their formation during Earth's Jurassic period, when dinosaurs roamed the Earth.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-14.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/14.1.jpg" rationale="Try again" value="0" choicesay="If so shergottites are a sign that Mars might have been geologically active fairly recently"><![CDATA[If so, shergottites are a sign that Mars might have been geologically active fairly recently.]]></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/2063-14.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[If so, shergottites are a sign that Mars might have been geologically active fairly recently.]]></question>
		<saythis><![CDATA[If so, shergottites are a sign that Mars might have been geologically active fairly recently.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-14.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/15.1.jpg" rationale="Right" value="1" choicesay="If so shergottites are a sign that Mars might have been geologically active fairly recently"><![CDATA[If so, shergottites are a sign that Mars might have been geologically active fairly recently.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-15.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/15.1.jpg" rationale="Try again" value="0" choicesay="That in turn means it might still have been hospitable to some form of life said Munir Humayun"><![CDATA[That in turn means it might still have been hospitable to some form of life, said Munir Humayun,]]></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/2063-15.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[That in turn means it might still have been hospitable to some form of life, said Munir Humayun,]]></question>
		<saythis><![CDATA[That in turn means it might still have been hospitable to some form of life, said Munir Humayun,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-15.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/16.1.jpg" rationale="Right" value="1" choicesay="That in turn means it might still have been hospitable to some form of life said Munir Humayun"><![CDATA[That in turn means it might still have been hospitable to some form of life, said Munir Humayun,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-16.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/16.1.jpg" rationale="Try again" value="0" choicesay="a planetary geochemist at Florida State University who was not involved in the study"><![CDATA[a planetary geochemist at Florida State University who was not involved in the study.]]></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/2063-16.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[a planetary geochemist at Florida State University who was not involved in the study.]]></question>
		<saythis><![CDATA[a planetary geochemist at Florida State University who was not involved in the study.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-16.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/17.1.jpg" rationale="Right" value="1" choicesay="a planetary geochemist at Florida State University who was not involved in the study"><![CDATA[a planetary geochemist at Florida State University who was not involved in the study.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-17.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/17.1.jpg" rationale="Try again" value="0" choicesay="But a few researchers recently estimated that shergottites are actually about 4 billion years old   a "><![CDATA[But a few researchers recently estimated that shergottites are actually about 4 billion years old  -  a ]]></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/2063-17.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[But a few researchers recently estimated that shergottites are actually about 4 billion years old - a ]]></question>
		<saythis><![CDATA[But a few researchers recently estimated that shergottites are actually about 4 billion years old     a ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-17.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/18.1.jpg" rationale="Right" value="1" choicesay="But a few researchers recently estimated that shergottites are actually about 4 billion years old   a "><![CDATA[But a few researchers recently estimated that shergottites are actually about 4 billion years old  -  a ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-18.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/18.1.jpg" rationale="Try again" value="0" choicesay="finding that had far reaching implications for scientists' understanding of Martian history Most of us understand that if there is to be life on Mars "><![CDATA[finding that had far-reaching implications for scientists' understanding of Martian history. "Most of us understand that if there is to be life on Mars, ]]></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/2063-18.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[finding that had far-reaching implications for scientists' understanding of Martian history. "Most of us understand that if there is to be life on Mars, ]]></question>
		<saythis><![CDATA[finding that had far reaching implications for scientists' understanding of Martian history. "Most of us understand that if there is to be life on Mars, ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-18.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/19.1.jpg" rationale="Right" value="1" choicesay="finding that had far reaching implications for scientists' understanding of Martian history Most of us understand that if there is to be life on Mars "><![CDATA[finding that had far-reaching implications for scientists' understanding of Martian history. "Most of us understand that if there is to be life on Mars, ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-19.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/19.1.jpg" rationale="Try again" value="0" choicesay="it's not going to be roaming on the surface"><![CDATA[it's not going to be roaming on the surface.]]></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/2063-19.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[it's not going to be roaming on the surface.]]></question>
		<saythis><![CDATA[it's not going to be roaming on the surface.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-19.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/20.1.jpg" rationale="Right" value="1" choicesay="it's not going to be roaming on the surface"><![CDATA[it's not going to be roaming on the surface.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-20.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/20.1.jpg" rationale="Try again" value="0" choicesay="but it could be thriving underground with the heat energy provided by volcanism Humayun said"><![CDATA[but it could be thriving underground with the heat energy provided by volcanism," Humayun said.]]></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/2063-20.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[but it could be thriving underground with the heat energy provided by volcanism," Humayun said.]]></question>
		<saythis><![CDATA[but it could be thriving underground with the heat energy provided by volcanism," Humayun said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-20.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/21.1.jpg" rationale="Right" value="1" choicesay="but it could be thriving underground with the heat energy provided by volcanism Humayun said"><![CDATA[but it could be thriving underground with the heat energy provided by volcanism," Humayun said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-21.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/21.1.jpg" rationale="Try again" value="0" choicesay="However if there hasn't been [volcanic activity in] 4 billion years"><![CDATA[However, "if there hasn't been [volcanic activity in] 4 billion years,]]></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/2063-21.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[However, "if there hasn't been [volcanic activity in] 4 billion years,]]></question>
		<saythis><![CDATA[However, "if there hasn't been [volcanic activity in] 4 billion years,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-21.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/22.1.jpg" rationale="Right" value="1" choicesay="However if there hasn't been [volcanic activity in] 4 billion years"><![CDATA[However, "if there hasn't been [volcanic activity in] 4 billion years,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-22.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/22.1.jpg" rationale="Try again" value="0" choicesay="it would be very difficult to believe there was life left on Mars"><![CDATA[it would be very difficult to believe there was life left on Mars."]]></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/2063-22.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[it would be very difficult to believe there was life left on Mars."]]></question>
		<saythis><![CDATA[it would be very difficult to believe there was life left on Mars."]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-22.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/23.1.jpg" rationale="Right" value="1" choicesay="it would be very difficult to believe there was life left on Mars"><![CDATA[it would be very difficult to believe there was life left on Mars."]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-23.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/23.1.jpg" rationale="Try again" value="0" choicesay="To settle the question Desmond Moser of Western University in Ontario"><![CDATA[To settle the question, Desmond Moser of Western University in Ontario,]]></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/2063-23.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[To settle the question, Desmond Moser of Western University in Ontario,]]></question>
		<saythis><![CDATA[To settle the question, Desmond Moser of Western University in Ontario,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-23.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/24.1.jpg" rationale="Right" value="1" choicesay="To settle the question Desmond Moser of Western University in Ontario"><![CDATA[To settle the question, Desmond Moser of Western University in Ontario,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-24.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/24.1.jpg" rationale="Try again" value="0" choicesay="Canada had his team examine a meteorite known as Northwest Africa 5298"><![CDATA[Canada had his team examine a meteorite known as Northwest Africa 5298.]]></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/2063-24.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[Canada had his team examine a meteorite known as Northwest Africa 5298.]]></question>
		<saythis><![CDATA[Canada had his team examine a meteorite known as Northwest Africa 5298.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-24.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/25.1.jpg" rationale="Right" value="1" choicesay="Canada had his team examine a meteorite known as Northwest Africa 5298"><![CDATA[Canada had his team examine a meteorite known as Northwest Africa 5298.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-25.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/25.1.jpg" rationale="Try again" value="0" choicesay="They looked at very tiny deposits within it called baddeleyites These tough"><![CDATA[They looked at very tiny deposits within it called baddeleyites. These tough,]]></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/2063-25.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[They looked at very tiny deposits within it called baddeleyites. These tough,]]></question>
		<saythis><![CDATA[They looked at very tiny deposits within it called baddeleyites. These tough,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-25.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/26.1.jpg" rationale="Right" value="1" choicesay="They looked at very tiny deposits within it called baddeleyites These tough"><![CDATA[They looked at very tiny deposits within it called baddeleyites. These tough,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-26.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/26.1.jpg" rationale="Try again" value="0" choicesay="zirconium rich minerals are 10 times smaller than the diameter of a human hair said study co author Axel Schmitt"><![CDATA[zirconium-rich minerals are "10 times smaller than the diameter of a human hair," said study co-author Axel Schmitt,]]></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/2063-26.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[zirconium-rich minerals are "10 times smaller than the diameter of a human hair," said study co-author Axel Schmitt,]]></question>
		<saythis><![CDATA[zirconium rich minerals are "10 times smaller than the diameter of a human hair," said study co-author Axel Schmitt,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-26.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/27.1.jpg" rationale="Right" value="1" choicesay="zirconium rich minerals are 10 times smaller than the diameter of a human hair said study co author Axel Schmitt"><![CDATA[zirconium-rich minerals are "10 times smaller than the diameter of a human hair," said study co-author Axel Schmitt,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-27.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/27.1.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/28.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question28.jpg" mp3="AUDIO_REPOS/2063-27.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 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/2063-27.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/28.1.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/2063-28.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/28.1.jpg" rationale="Try again" value="0" choicesay="A Tough Tiny Mineral In Meteorites"><![CDATA[A Tough Tiny Mineral In Meteorites]]></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/2063-28.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[A Tough Tiny Mineral In Meteorites]]></question>
		<saythis><![CDATA[A Tough Tiny Mineral In Meteorites]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-28.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/29.1.jpg" rationale="Right" value="1" choicesay="A Tough Tiny Mineral In Meteorites"><![CDATA[A Tough Tiny Mineral In Meteorites]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-29.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/29.1.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/30.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question30.jpg" mp3="AUDIO_REPOS/2063-29.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[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/2063-29.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/30.1.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/2063-30.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/30.1.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/31.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question31.jpg" mp3="AUDIO_REPOS/2063-30.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[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/2063-30.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/31.1.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/2063-31.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/31.1.jpg" rationale="Try again" value="0" choicesay="But that isotopic ratio can be reset by a big impact that melts the rock down erasing the geochemical trail"><![CDATA[But that isotopic ratio can be reset by a big impact that melts the rock down, erasing the geochemical trail.]]></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/2063-31.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 that isotopic ratio can be reset by a big impact that melts the rock down, erasing the geochemical trail.]]></question>
		<saythis><![CDATA[But that isotopic ratio can be reset by a big impact that melts the rock down, erasing the geochemical trail.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-31.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/32.1.jpg" rationale="Right" value="1" choicesay="But that isotopic ratio can be reset by a big impact that melts the rock down erasing the geochemical trail"><![CDATA[But that isotopic ratio can be reset by a big impact that melts the rock down, erasing the geochemical trail.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-32.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/32.1.jpg" rationale="Try again" value="0" choicesay="That's why scientists picked the tiny baddeleyites: Once they form they are durable little minerals"><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form, they are durable little minerals.]]></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/2063-32.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[That's why scientists picked the tiny baddeleyites: Once they form, they are durable little minerals.]]></question>
		<saythis><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form, they are durable little minerals.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-32.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/33.1.jpg" rationale="Right" value="1" choicesay="That's why scientists picked the tiny baddeleyites: Once they form they are durable little minerals"><![CDATA[That's why scientists picked the tiny baddeleyites: Once they form, they are durable little minerals.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-33.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/33.1.jpg" rationale="Try again" value="0" choicesay="It's not easy to melt them down and reset their isotopic clock"><![CDATA[It's not easy to melt them down and reset their isotopic clock.]]></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/2063-33.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[It's not easy to melt them down and reset their isotopic clock.]]></question>
		<saythis><![CDATA[It's not easy to melt them down and reset their isotopic clock.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-33.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/34.1.jpg" rationale="Right" value="1" choicesay="It's not easy to melt them down and reset their isotopic clock"><![CDATA[It's not easy to melt them down and reset their isotopic clock.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-34.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/34.1.jpg" rationale="Try again" value="0" choicesay="By looking at the isotopic ratios of radioactive uranium and lead in this tough rock"><![CDATA[By looking at the isotopic ratios of radioactive uranium and lead in this tough rock,]]></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/2063-34.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[By looking at the isotopic ratios of radioactive uranium and lead in this tough rock,]]></question>
		<saythis><![CDATA[By looking at the isotopic ratios of radioactive uranium and lead in this tough rock,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-34.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/35.1.jpg" rationale="Right" value="1" choicesay="By looking at the isotopic ratios of radioactive uranium and lead in this tough rock"><![CDATA[By looking at the isotopic ratios of radioactive uranium and lead in this tough rock,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-35.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/35.1.jpg" rationale="Try again" value="0" choicesay="the scientists found that it formed about 187 million years ago give or take 33 million years"><![CDATA[the scientists found that it formed about 187 million years ago, give or take 33 million years.]]></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/2063-35.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[the scientists found that it formed about 187 million years ago, give or take 33 million years.]]></question>
		<saythis><![CDATA[the scientists found that it formed about 187 million years ago, give or take 33 million years.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-35.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/36.1.jpg" rationale="Right" value="1" choicesay="the scientists found that it formed about 187 million years ago give or take 33 million years"><![CDATA[the scientists found that it formed about 187 million years ago, give or take 33 million years.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-36.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/36.1.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/37.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question37.jpg" mp3="AUDIO_REPOS/2063-36.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[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/2063-36.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/37.1.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/2063-37.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/37.1.jpg" rationale="Try again" value="0" choicesay="The scientists could also see evidence of the damage done to the meteorite "><![CDATA[The scientists could also see evidence of the damage done to the meteorite ]]></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/2063-37.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[The scientists could also see evidence of the damage done to the meteorite ]]></question>
		<saythis><![CDATA[The scientists could also see evidence of the damage done to the meteorite ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-37.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/38.1.jpg" rationale="Right" value="1" choicesay="The scientists could also see evidence of the damage done to the meteorite "><![CDATA[The scientists could also see evidence of the damage done to the meteorite ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-38.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/38.1.jpg" rationale="Try again" value="0" choicesay="by the event that may have released it from the Martian surface sometime around 22 million years ago "><![CDATA[by the event that may have released it from the Martian surface sometime around 22 million years ago. ]]></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/2063-38.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[by the event that may have released it from the Martian surface sometime around 22 million years ago. ]]></question>
		<saythis><![CDATA[by the event that may have released it from the Martian surface sometime around 22 million years ago. ]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-38.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/39.1.jpg" rationale="Right" value="1" choicesay="by the event that may have released it from the Martian surface sometime around 22 million years ago "><![CDATA[by the event that may have released it from the Martian surface sometime around 22 million years ago. ]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-39.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/39.1.jpg" rationale="Try again" value="0" choicesay="The shock from that impact muddled up the mineral structure inside while keeping the chemicals themselves mostly intact"><![CDATA[The shock from that impact muddled up the mineral structure inside, while keeping the chemicals themselves mostly intact.]]></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/2063-39.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[The shock from that impact muddled up the mineral structure inside, while keeping the chemicals themselves mostly intact.]]></question>
		<saythis><![CDATA[The shock from that impact muddled up the mineral structure inside, while keeping the chemicals themselves mostly intact.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-39.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/40.1.jpg" rationale="Right" value="1" choicesay="The shock from that impact muddled up the mineral structure inside while keeping the chemicals themselves mostly intact"><![CDATA[The shock from that impact muddled up the mineral structure inside, while keeping the chemicals themselves mostly intact.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-40.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/40.1.jpg" rationale="Try again" value="0" choicesay="The result was something like shaking up a sealed gift box of chocolates"><![CDATA[The result was something like shaking up a sealed gift box of chocolates.]]></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/2063-40.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[The result was something like shaking up a sealed gift box of chocolates.]]></question>
		<saythis><![CDATA[The result was something like shaking up a sealed gift box of chocolates.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-40.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/41.1.jpg" rationale="Right" value="1" choicesay="The result was something like shaking up a sealed gift box of chocolates"><![CDATA[The result was something like shaking up a sealed gift box of chocolates.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-41.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/41.1.jpg" rationale="Try again" value="0" choicesay="It looks good on the outside but all the pieces are dislodged on the inside Schmitt said"><![CDATA["It looks good on the outside, but all the pieces are dislodged on the inside," Schmitt said.]]></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/2063-41.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["It looks good on the outside, but all the pieces are dislodged on the inside," Schmitt said.]]></question>
		<saythis><![CDATA["It looks good on the outside, but all the pieces are dislodged on the inside," Schmitt said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-41.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/42.1.jpg" rationale="Right" value="1" choicesay="It looks good on the outside but all the pieces are dislodged on the inside Schmitt said"><![CDATA["It looks good on the outside, but all the pieces are dislodged on the inside," Schmitt said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-42.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/42.1.jpg" rationale="Try again" value="0" choicesay="The study further shows that the shergottites weren't old rocks Humayun said"><![CDATA[The study further shows that the shergottites weren't old rocks, Humayun said.]]></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/2063-42.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[The study further shows that the shergottites weren't old rocks, Humayun said.]]></question>
		<saythis><![CDATA[The study further shows that the shergottites weren't old rocks, Humayun said.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-42.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/43.1.jpg" rationale="Right" value="1" choicesay="The study further shows that the shergottites weren't old rocks Humayun said"><![CDATA[The study further shows that the shergottites weren't old rocks, Humayun said.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-43.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/43.1.jpg" rationale="Try again" value="0" choicesay="But that was what he had expected If they had found that it was 4 billion years old"><![CDATA[But that was what he had expected. "If they had found that it was 4 billion years old,]]></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/2063-43.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[But that was what he had expected. "If they had found that it was 4 billion years old,]]></question>
		<saythis><![CDATA[But that was what he had expected. "If they had found that it was 4 billion years old,]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-43.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/44.1.jpg" rationale="Right" value="1" choicesay="But that was what he had expected If they had found that it was 4 billion years old"><![CDATA[But that was what he had expected. "If they had found that it was 4 billion years old,]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-44.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/44.1.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/45.0.mp3"></phrase>
		<question isaudiomp3="1" rationale="0" picture="images/question45.jpg" mp3="AUDIO_REPOS/2063-44.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[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/2063-44.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/45.1.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/2063-45.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/45.1.jpg" rationale="Try again" value="0" choicesay="The researchers say they can use their method of dating these rocks to study other Martian meteorites"><![CDATA[The researchers say they can use their method of dating these rocks to study other Martian meteorites.]]></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/2063-45.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[The researchers say they can use their method of dating these rocks to study other Martian meteorites.]]></question>
		<saythis><![CDATA[The researchers say they can use their method of dating these rocks to study other Martian meteorites.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-45.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/46.1.jpg" rationale="Right" value="1" choicesay="The researchers say they can use their method of dating these rocks to study other Martian meteorites"><![CDATA[The researchers say they can use their method of dating these rocks to study other Martian meteorites.]]></answer>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-46.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/tryagain.mp3" rationaleimage="images/rationale/46.1.jpg" rationale="Try again" value="0" choicesay="Their hope is that it will reveal new information about the Red Planet's geophysical inner life"><![CDATA[Their hope is that it will reveal new information about the Red Planet's geophysical inner life.]]></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/2063-46.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[Their hope is that it will reveal new information about the Red Planet's geophysical inner life.]]></question>
		<saythis><![CDATA[Their hope is that it will reveal new information about the Red Planet's geophysical inner life.]]></saythis>
		<answer isaudiomp3="1" picture="images/c1.jpg" mp3="AUDIO_REPOS/2063-46.mp3" isrationalemp3="1" rationalemp3="AUDIO_REPOS/right.mp3" rationaleimage="images/rationale/47.1.jpg" rationale="Right" value="1" choicesay="Their hope is that it will reveal new information about the Red Planet's geophysical inner life"><![CDATA[Their hope is that it will reveal new information about the Red Planet's geophysical inner life.]]></answer>
	</question>
</catalog>