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高中英语 Unit4(Global Warming)课件34 新人教版选修6 课件VIP免费

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Extensivereading&Writing人教选修6Unit4GlobalWarmingUnit4ExtensivereadingonP66CleanupYourButtsandBagsFirstPara.PointofviewSecondPara.FirstpointoftheargumentEvidenceThirdPara.SecondpointoftheargumentEvidenceFourthPara.PointofviewReadTom’sessayaboutlitter.Makeasummaryforeachparagraph,andthenfillinthefollowingtable.FirstPara.PointofviewSecondPara.FirstpointoftheargumentEvidenceCigarettebutsandplasticbagsareaseriousenvironmentalproblem.Buttsaresmallbutarestillbadfortheenvironment.1.1600billioncigarettesaresmokedeachyearinChina.Manyofthesebecomelitter.2.4.5trillionbuttsarelitteredeveryyearintheworld.3.Buttsareugly.4.Buttscontaintoxicchemicals.Thesegetintothewatersupply.Thesedecreasethequalityofthewaterandendangerlivingthings.5.Buttstakeupto5yearstobreakdown,sothetoxicchemicalsadduptoagreatamount.ThirdPara.SecondpointoftheargumentEvidencePlasticbagsareadangertotheenvironment.1.Plasticbagsaremadefromnon-renewableresources.Iftheyarenotrecycled,theseresourcesarelosttous.2.Inchina,2billionplasticbagsareusedeveryday.3.Plasticbagslastfrom20to1,000yearsintheenvironment.……FourthPara.PointofviewTheenvironmentwouldbelesspollutedifwecleanedupcigarettebuttsandplasticbags.Thebestsolutionwouldbenottosmokeoruseplasticbagsatall.DiscussionDiscusstheenvironmentalproblemsthatconcernpeoplemostingroupsoffour.Listasmanyenvironmenttopicsaspossible,thenwritethemonapieceofpaper.environmenttopics…airpollutionnoisesoilerosionwaterpollutionlitterclassificationdesertificationmakegreenbyplantingtreesdeforestationwaterpollutionairpollutionsoilerosiondesertificationdeforestationlitterclassificationplantingtreesChooseatopicfromthelistthatyoufeelstronglyabout.Makenotesonyourtopicusingheadingssimilartothetableinthereadingtask.Usethepassageasamodel.WritingStep1:Writeoutthethesisstatement.(pointofview)Step2:Writeoutthetopicsentenceofthefirstbodyparagraph.Step3:Givethesupportingpointsanddetailsaboutthefirstsubtopic.Step4:Writeoutthetopicsentenceofthesecondbodyparagraph.Step5:Givethesupportingpointsanddetailsaboutthesecondsubtopic.(morebodyparagraphs...)WritingtipsTheEnvironmentalEffectsofFossilFuelsThereisnodoubtthatfossilfuelsbringalotofgoodtous.Butdoyouknowthatmanyoftheenvironmentalproblemsourcountryfacestodayresultfromourfossilfueldependence.Theenvironmentfacesairpollution,globalwarming,acidrain,andseveralotherveryseriousproblemsbecauseofouruseoffossilfuels.Overthelast150years,burningoffossilfuelshasresultedinmorethan25percentAsampleversionincreaseincarbondioxideinouratmosphere.Carbondioxideisoneofthemainfactorsinglobalwarmingwhichisnegativelyaffectingeveryone.Fossilfuelsalsoaffectwaterpollution,landpollution,andthermalpollution(heatpollution).Coalminingisoneofthecausesofpollutionintheenvironment.Aftertheminingiscompleted,thelandwillremainbarren.Materialsotherthancoalarealsobroughttothesurfaceinthecoalminingprocess,andtheseareleftassolidwastes.Theproduction,transportation,anduseoffossilfuelsaretoblamefortheeffectsofpollutionontheenvironment.Thenwhatshouldwedo?Weshouldsparenoefforttoimproveourenvironment.Pleasesaveenergyandusefewerfossilfuelsinourdailylives.HomeworkFinishyourcompositiononenvironmentalproblems.Seeyounexttime!

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高中英语 Unit4(Global Warming)课件34 新人教版选修6 课件

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