Unit4astronomy(2)课件
日期：2010-12-21 12:55
Astronomy:thescienceofthestarsPartIIReadingQ:Whatistheearth’satmospheremadeupof?太阳系TheSolarsystemMarsVenusJupiterSaturnNeptunePlutoUranusMercuryasteroids太平洋上空风暴1skimming(dividethepassage)PartI:(paragraph1)theoriginoflifeontheearthPartII:(paragraph2-4)thedevelopmentoflifeontheearthListentothetape2Scanning(askandanswer)Whatwasthereontheearthbeforelifecouldbegin?2Whydoscientiststhinktherehasneverbeenlifeonthemoon?3Whydidanimalsfirstappearintheseas?4Whathelpedanimalstomovefromthewatertotheland?3ComprehendingStudents’BookP26-274DiscussionWhyisitwronginfilmsandstoriestoshowdinosaursandpeopletogether?2)Whydoyouthinkthathumansarethecleverestanimalsontheearth?DinosaursdiedoutbeforehumanbeingsdevelopedontheearthTheyarethecleverestanimalsbecausetheyhavelargerbrainsthananyothercreaturesusefulsentencesHowLifeBeganontheEarth1Theproblemwasthattheearthbecomeviolentbecauseitwasnotclearwhetherthesolidshapwastolastornot?2Itexpl，
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