人教选修6 UNIT 4EXTNSIVE READING &WRITING.ppt
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人教选修6 UNIT 4EXTNSIVE READING &WRITING.ppt

人教选修6UNIT4EXTNSIVEREADING&WRITING.ppt

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Extensivereading&WritingUnit4ExtensivereadingonP66CleanupYourButtsandBagsFirstPara.FirstPara.ThirdPara.DiscussionwaterpollutionsoilerosionlitterclassificationChooseatopicfromthelistthatyoufeelstronglyabout.Makenotesonyourtopicusingheadingssimilartothetableinthereadingtask.Usethepassageasamodel.Step1:Writeoutthethesisstatement.(pointofview)Step2:Writeoutthetopicsentenceofthefirstbodyparagraph.Step3:Givethesupportingpointsanddetailsaboutthefirstsubtopic.Step4:Writeoutthetopicsentenceofthesecondbodyparagraph.Step5:Givethesupportingpointsanddetailsaboutthesecondsubtopic.(morebodyparagraphs...)TheEnvironmentalEffectsofFossilFuelsThereisnodoubtthatfossilfuelsbringalotofgoodtous.Butdoyouknowthatmanyoftheenvironmentalproblemsourcountryfacestodayresultfromourfossilfueldependence.Theenvironmentfacesairpollution,globalwarming,acidrain,andseveralotherveryseriousproblemsbecauseofouruseoffossilfuels.Overthelast150years,burningoffossilfuelshasresultedinmorethan25percentincreaseincarbondioxideinouratmosphere.Carbondioxideisoneofthemainfactorsinglobalwarmingwhichisnegativelyaffectingeveryone.Fossilfuelsalsoaffectwaterpollution,landpollution,andthermalpollution(heatpollution).Coalminingisoneofthecausesofpollutionintheenvironment.Aftertheminingiscompleted,thelandwillremainbarren.Materialsotherthancoalarealsobroughttothesurfaceinthecoalminingprocess,andtheseareleftassolidwastes.Theproduction,transportation,anduseoffossilfuelsaretoblamefortheeffectsofpollutionontheenvironment.Thenwhatshouldwedo?Weshouldsparenoefforttoimproveourenvironment.Pleasesaveenergyandusefewerfossilfuelsinourdailylives.HomeworkSeeyounexttime!