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人教课标版高二选修6unit4 英语课件 writing answerkeyforexercise1 1themainpointofviewtobecircled allsortsofitemsbecomelitter buttwoofthemostcommonandmostdangerousarecigarettebuttsandplasticbags 2theevidenceaboutcigarettebuttstomgivestosupporthisargumenttobeunderlined over1 600billioncigarettesaresmokedeachyearinchina thetoxicchemicalsadduptoagreatamount 3theevidenceaboutplasticbagstomgivestosupporthisargumenttobeboxed theyaremadefrom tokillanotheranimal 4tom ssolutions 1 putcigarettebuttsintherubbishbin 2 nottoletplasticbagsbecomelitter 3 usefewerplasticbagsandrecyclethem4 nottosmoke 5 notuseplasticbagsatall answerkeyforexercise2 p67 litterisaseriousenvironmentalproblem cigarettebuttsaresmallbutarestillbadfortheenvironment 1 over1 600billioncigarettesaresmokedeachyearinchina manyofthebuttsbecomelitter 2 4 5trillionbuttsarelitteredeveryyearintheworld 3 buttsspoilthebeautyoftheenvironment4 buttscontaintoxicchemicals thesegetintothewatersupply thesedecreasethequalityofthewaterandendangerlivingthings 5 buttstakeupto5yearstobreakdown sothetoxicchemicalsadduptoagreatamount plasticbagsareadangertotheenvironment plasticbagsaremadefromnon renewableresources iftheyarenotrecycled theseresourcesarelosttous inchina 2billionplasticbagsareusedeveryday manyofthesebecomelitter 3 plasticbagslastfrom20to1000yearsintheenvironment 4 theycantravellongdistancesintheairandwater theyareinrivers parks beachesandoceans 5 plasticbagskilluptoonemillionseabirds 100 000seamammalsandcountlessfisheachyearworldwide 6 aftertheanimalbreaksdown theplasticbagbecomesfreeandcankillanotheranimal theenvironmentwouldbelesspollutedifwecleanedupcigarettebuttsandplasticbags thebestsolutionwouldbenottosmokeoruseplasticbagsatall writingtask p67 writingtips step1 writeoutthethesisstatement pointofview step2 writeoutthetopicsentenceofthefirstbodyparagraph step3 givethesupportingpointsanddetailsaboutthefirstsubtopic step4 writeoutthetopicsentenceofthesecondbodyparagraph step5 givethesupportingpointsanddetailsaboutthesecondsubtopic morebodyparagraphs nowchooseatopicfromthebelowlistthatyoufeelstronglyabout makenotesonyourtopicusingheadingssimilartothoseinthetableabove usetom sessayasamodeltowriteyourown asamplelistofenvironmenttopics airpollution noise soilerosion waterpollution litterclassification desertification makegreenbyplantingtrees asampleversion theenvironmentaleffectsoffossilfuelsthereisnodoubtthatfossilfuelsbringalotofgoodtous butdoyouknowthatmanyoftheenvironmentalproblemsourcountryfacestodayresultfromourfossilfueldependence theenvironmentfacesairpollution globalwarming acidrain andseveralotherveryseriousproblemsbecauseofouruseoffossilfuels overthelast150years burningoffossilfuelshasresultedinmorethan25percentincreaseincarbondioxideinouratmosphere carbondioxideisoneofthemainfactorsinglobalwarmingwhichisnegativelyaffectingeveryone fossilfuelsalsoaffectwaterpollution landpollution andthermalpollution heatpollution coalminingisoneofthecausesofpollutionintheenvironment aftertheminingiscompleted thelandwillremainbarren materialsotherthancoalarealsobroughttothesurfaceinthecoalminingprocess andtheseareleftassolidwastes theproduction transportation anduseoffossilfuelsare
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