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Book3-Unit4-Reading.doc

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Book3Unit4ReadingLearningaims识记：masterthewordsinthereadingpassage.(ABC)理解:tobeabletogetthemainideaandthedetailinformationfromthetext(BC)运用:tobeabletoanswersomequestionnsaboutthetext.(BC)提升:tobeabletofinishtherationalcloze(C)LearningproceduresstepItranslatethewordsintoChinese.astronomysystemreligiontheorybillionglobeviolentcarbonatmosphereunlikefundamentalstepIImatchtheboth1)Howoldistheearth?paragraph12)Howdoestheuniversebegin?paragraph23)IsthereanywaterintheMars?paragraph34)Whendiddinosaursdisappear?paragraph45)Whichanimalisthemostimportantoneontheearth?paragraph5stepIIIConcludethemainideaofeachparagraph1)Awidely______aboutthe_____oftheuniverse.2)Theformationofthe______.3)The__________ofwaterforlife.4)Thedevelopmentof______and_______ontheearth.5)Thearrivalof_______andtheir_____ontheearth.stepIVPutthesesentencesintotherightorder.A.Theearth’satmospherewasformedB.BigBangC.TheearthexplodedandproducedkindsofgasesD.WaterappearedE.TheearthcooleddownF.AcloudofenergeticdustG.SlowlycombineintoasolidglobestepV.answerthequestions1.AftertheBigBang,whatwastheearthlike?2.Whathappenednext?3.Whatdidthewatervapourandgasesform?4.Whatappearedastheearthcooleddown?5.Whatlifedevelopedafterwaterappeared?6.Whatlifedevelopedinwaternext?7.Whatlifedevelopednextonland?8.Whatlifedevelopedafterforestsappeared?9.Whatlifedevelopedafterdinosaurs?10..Whatlifedevelopedafterdinosaurs?11.Whatlifedevelopedaftermammals?stepVI.summaryAfterthe“bigbang”,theearthwasstilljustacloudof_______,it_______loudlywithfireandrock,whichwere_____toproducethe_________,watervapourandothergases.Then________begantoappearedontheearth.____________inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedreenplantsgrewonland,whichwerefollowed.Whentheplantsgrewinto______,______disappearedlater,whichmadetheriseofa