高中英语必修3-unit4-参考课件.ppt

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1、Astronomy:thescienceofthestarsUnit4WarmingupandreadingHowmanyplanetstravelaroundthesun?2.Whichplanetisthemostimportantforus?3.Howistheearthdifferentfromotherplanets?SunVenusMercuryMarsJupiterSaturnEarthPlutoNeptuneUranus12346897105Doyouknowhowourlifeb

2、eganontheearth?Doyouknowanyancientideaaboutthebeginningoftheuniverse?InChineseculture…Panguseparatestheskyfromtheearth.Nuwamendedtheheavenandcreatedhumanbeingsfromtheclay.InWesterncountries:Godcreatedtheworldandalllivingthings.Readthewholepassagequick

3、lyandmatchthemainideaofeachparagraph.Para.1Para.2Para.3Para.4Para.5TheimportanceofwaterTheformationoftheuniverseThearrivalofhumanbeingsTheformationoftheearthThedevelopmentofplantsandanimalsReadPara.1andanswerthefollowingquestionsHowdidtheuniversebegin

4、?2.Whathappenedafterthe“BigBang”?3.Whatdoes“bodies”meanhere?A.Personsoranimals’bodiesB.PlanetsandstarsNooneknowsexactlyhowtheearthbegan.Afterthat,atomsbegantoformandcombinetocreatestarsandotherbodies.BReadPara.2andanswerthefollowingquestions1.Whatwast

5、heearthlikeforseveralbillionyearsaftertheBigBang?2.Whatwastheearthlikebetween4.5and3.8billionyearsago?Justacloudofdust.Asolidglobe.ReadPara.3totellwhetherthefollowingsentencesaretrueorfalse.()1.Waterontheearthdisappearedlater.()2.Waterwasnecessaryandi

6、mportanttothedevelopmentoflife.()3.Waterwashelpfulindissolvingtheharmfulgasesandacidsintotheoceansandseas.FTT1.Whywastheearthdifferentfromtheotherplanets?2.Whyiswatersoimportantforthebegin-ningoflifeontheearth?Becausewaterremainedontheearth,butotherpl

7、anetshavenowater.Becausewaterallowedtheearthtodissolveharmfulgasesintooceansandseas.smallplantsinthewatergreenplantsonlandinsectsonlandmammalsonland12123lifeplantsanimalsReadPara.4-5tofindthedevelopmentoflife.smallplantsinthewatergreenplantsonlandinse

8、ctsonlandmammalsonland12123shellfishandallsortsoffishamphibianonlandandinwaterforestsreptilesonlanddinosaursonlandlifeplantsanimalsWhat’sthewritingstyleofthispassage?A.Astory.B.Anexposition.C.Aargumentation.Toexplainsomeideaortheorytopeople.BT