1、Answer key for exercise 1:-enceun-presentcertainviolentfairconfidentpaiddifferentlikepatientkindpresenceviolenceconfidencedifferencepatienceuncertainunfairunpaidunlikeunkind-al-istcultureartglobephysicsuniversechemistryagriculturebiologymathematicsscienceculturalglobaluniversalagriculturalmathematic
2、alartistphysicistchemistbiologistscientistC A C B zx xkAnswer key for exercise 2:Answer key for exercise 3:Is the moon a planet?This question is _if students are to show that they understand the nature of _.Some scientists think that the earth _ the moon because the moon circles our planet.Others be
3、lieve that the moon _ before the earth was formed.They think that earlier in time it travelled through space as a small planet which was caught by the earths gravity._,it goes around our planet.The evidence for this theory is that the _ that make up the rocks on the moon seem to be different from th
4、ose on earth.What is clear is that the moon is smaller than the earth and this _ it _ escaping from the earth.Although its origin may still be a _,the moon can never be anything more than a satellite of the earth.fundamentalastronomygave birth toexistedAs a resultatomspreventsfrompuzzleIs the moon a
5、 planet?This question is _if students are to show that they understand the nature of _.Some scientists think that the earth _ the moon because the moon circles our planet.Others believe that the moon _ before the earth was formed.They think that earlier in time it travelled through space as a small
6、planet which was caught by the earths gravity._,it goes around our planet.The evidence for this theory is that the _ that make up the rocks on the moon seem to be different from those on earth.What is clear is that the moon is smaller than the earth and this _ it _ escaping from the earth.Although i
7、ts origin may still be a _,the moon can never be anything more than a satellite of the earth.zx xkfundamentalastronomygave birth toexistedAs a resultatomspreventsfrompuzzleemotional words calm wordsAnswer key for exercise 4:violent angry rude shocked excited crazypatient gentle relaxing kind easy-going calm
