最终Unit4How life began on the earth阅读课件.ppt

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1、HowlifebeganontheearthPangu__________theskyfromtheearth.盘古开天辟地Saying1separated女娲补天Nuwamendedtheheavenand_________humanbeings.Saying2createdGod_________theworldinsevendays.Saying3createdThedevelopmentofHumanfrom________.Saying4monkeyLifewasbroughttotheear

2、thbyETfrom______space.Saying5outer1.Whatdoesthetexttellus?HowtheearthcomeintobeingTheproblemoftheearthcausedbyhumanbeingHowthehumanbeingbuildtheearthHowthelifedevelopedontheearthTask1FastreadingReadthepassagequicklyandfindouttheanswerstothequestionsbelow

3、.Task1skimming2.Howdidtheuniversebeginaccordingtoawidelyacceptedtheory?TheuniversebeganwithaBigBang.Task1FastreadingTask1skimmingWhat’sthemainideaforeachPara?Para.1Para.2Para.3Para.4Para.5AtheoryabouthowtheuniversebeganThearrivalofhumansandtheirimpact（影响

4、）ontheearthTheimportanceofwaterforlifeThedevelopmentofplantsandanimalsontheearthTheformation(形成)ofatmosphereandwateronearthTask2carefulreadingTobehonest,noneofusknowshowtheearthbeganbecauseithappenedtoolongago.TrueJudgeTrueorFalsePara.1Task3Carefulreadin

5、gPara.1HowdidtheBigBangcreatetheuniverse?Firstofall,it_____matterinall_________.Afterthat,______beganto________.Then,atoms______tocreate_____and___________.threwdirectionsatomsformcombinedstarsotherbodiesPara.21.Whatistheoriginalearth’satmospheremadeupof

6、?carbon,nitrogen,watervapour,andothergasesTheoriginoflifeontheearthisaninterestingquestion.Itwasawidelyaccepted________thattheuniversebeganwitha“BigBang”,afterwhichtheearthwas_________________.Between4.5and3.8billionyearsagoitsettledintoasolid______.Thee

7、arthwasvery_______andexplodedloudlywithfireandrock.theywereintimetoproducecarbon,nitrogen,watervaporandothergases,whichweretomaketheearth’s_____________.Thenastheearthcooleddown,waterappeared.theoryacloudofdustglobeviolentatmosphereFillintheblanks:Para.2

8、1.Whatmakestheearthdifferentfromtheotherplanetsinthesolarsystem?A.Itproducedalotofheat.B.C.Waterdisappeared.D.Itwastheoldestplanet.ThecontinuedpresenceofwaterPara.32.Howdidwaterhelplifedevelop?Waterallowedtheearthto_______