高中英语必修3-unit4-参考课件

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Astronomy:thescienceofthestarsWarmingupandreading1.Howmanyplanetstravelaroundthesun?2.Whichplanetisthemostimportantforus?3.Howistheearthdifferentfromotherplanets?SunMercuryMarsJupiterSaturnEarthPlutoNeptuneUranus12346897105Doyouknowhowourlifebeganontheearth?Doyouknowanyancientideaaboutthebeginningoftheuniverse?InChineseculture…Panguseparatestheskyfromtheearth.Nuwamendedtheheavenandcreatedhumanbeingsfromtheclay.InWesterncountries:Godcreatedtheworldandalllivingthings.Readthewholepassagequicklyandmatchthemainideaofeachparagraph.Para.1Para.2Para.3Para.4Para.5TheimportanceofwaterTheformationoftheuniverseThearrivalofhumanbeingsTheformationoftheearthThedevelopmentofplantsandanimalsReadPara.1andanswerthefollowingquestions1.Howdidtheuniversebegin?2.Whathappenedafterthe“BigBang”?3.Whatdoes“bodies”meanhere?A.Personsoranimals’bodiesB.PlanetsandstarsNooneknowsexactlyhowtheearthbegan.Afterthat,atomsbegantoformandcombinetocreatestarsandotherbodies.BReadPara.2andanswerthefollowingquestions1.WhatwastheearthlikeforseveralbillionyearsaftertheBigBang?2.Whatwastheearthlikebetween4.5and3.8billionyearsago?Justacloudofdust.Asolidglobe.ReadPara.3totellwhetherthefollowingsentencesaretrueorfalse.()1.Waterontheearthdisappearedlater.()2.Waterwasnecessaryandimportanttothedevelopmentoflife.()3.Waterwashelpfulindissolvingtheharmfulgasesandacidsintotheoceansandseas.FTT1.Whywastheearthdifferentfromtheotherplanets?2.Whyiswatersoimportantforthebegin-ningoflifeontheearth?Becausewaterremainedontheearth,butotherplanetshavenowater.Becausewaterallowedtheearthtodissolveharmfulgasesintooceansandseas.smallplantsinthewatergreenplantsonlandinsectsonlandmammalsonland12123lifeplantsanimalsReadPara.4-5tofindthedevelopmentoflife.smallplantsinthewatergreenplantsonlandinsectsonlandmammalsonland12123shellfishandallsortsoffishamphibianonlandandinwaterforestsreptilesonlanddinosaursonlandlifeplantsanimalsWhat’sthewritingstyleofthispassage?A.Astory.B.Anexposition.C.Aargumentation.Toexplainsomeideaortheorytopeople.BTheearthwasjustacloudof____afterthe“BigBang”.Theearthloudlywithfireandrock.Theyweretoproducemanythings,whichweretomaketheearth’satmosphere.Astheearthcooleddown,waterbegantoappearonitssurface.Itallowedtheearthtodissolve_______gases.Thenlifebegantodevelop.dustexplodedintimeharmfulFillintheblanksaccordingtothepassage.Smallplants________andfilledthefirstoceansandseaswithoxygen.Thisencouragedthe__________ofearlyshellfishandfish.Landanimalssuchasinsects,reptilesanddinosaursappearedaftergreenplantsappeared.Smallcleveranimals______allovertheearth.Theyareputting________carbondioxideintotheatmosphere,which_________heatfromtheearthintospace.Whetherlifewillcontinueontheearthfrommillionsofyearstocomewill_________whetherthisproblemcanbesolved.multiplieddevelopmentspreadtoomuchpreventsdependon1.Whatproblemshavebeencausedbyhumanbeingstotheearth?2.Whatcanwedotoprotecttheearthandmakeitabetterplacetoliveon?Supposeyouweretheearth.Whatwouldyouadvisehumanstodo?Writealettertothehumanbeing.AdfortheClimateChangeConferenceoftheUNinCopenhagenThe2012UnitedNationsClimateChangeConferencewillbeheldinQatarfrom26Novemberto7December2012.In1992,theUnitedNationsFrameworkConventiononClimateChange(UNFCCC)setsanoverallframeworkforintergovernmentaleffortstoaddressclimatechange.Itiscalledaframeworkconventionbecauseitisseenasastartingpointofaddressingtheproblemofclimatechange.TheConventionenteredintoforceon21March1994.TheultimateobjectiveoftheConventionis“tostabilizegreenhousegasconcentrationsatalevelthatwillpreventdangeroushumaninterferencewiththeclimatesystem”.

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