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1、最近几年的真题作文:CaseStudy1)ModelOne(09年1月)：LimitingtheUseofDisposablePlasticBags(一次性塑料袋)1Usingdisposableplasticbagswasoncesuchacommonexperiencethatmanyofushavetakenthemforgranted.2Wehavegotaccustomedtothefloodofthoseconvenientbagsbeforeweknowwhereweare.3However,theadvantageofplasticshoppingbagsare
2、attheexpenseoftheenvironmentandresources.Foronething,convenientastheyare,disposableplasticbagsarenotsuitableforeffectiverecycling.4Mostbagsgostraighttothelandfill垃圾,becomingthesourceofenvironmentpollution.5Foranother,plasticbagabusehasledtoaseriouswasteofresources.6Inthelongrun,wehumanbeings
3、areboundto(必定)fallvictimtothisunwisepractice.7Luckily,Chinahaslaunchedanationwidecampaignagainstplasticbagsbeforethesituationreachesapointofnoreturn.8Thebanontheuseofthosebagsisundoubtedlyofgreatsignificance.9Thewithdrawal撤回ofplasticbagsandareturntorecyclableonessuchastheclothbagswillhelptoc
4、ultivateahabitofrecyclingamongpeoplesoastosustainresources.10Ontheotherhand,itisalsoagoodapproachtoadecreaseinpollution.11Bydoingso,wecanbuildanenvironment-friendlysociety.1观察发现：共11句话：主语部分：8句话中含有与主题相关的短语（即主题的不同变体表达方式）1句话中的主语用了we1句话中的形式主语用了it1句话中的形式主语用了除人代词和主题短语以外的名词China结论：经常点题：（变换表达方式），避免全文
5、只用人称代词I,you,heorshe…LimitingtheUseofDisposablePlasticBags(一次性塑料袋)Usingdisposableplasticbags[动名词词组（通过主语点题）]theadvantageofplasticshoppingbags[名词词组（通过主语点题）]disposableplasticbags（名词词组通过主语点题）Mostbags（名词词组通过主语点题）plasticbagabuse（名词词组通过主语点题）againstplasticbags（通过状语点题）Thebanontheuseofthosebags（名词词组通过主
6、语点题）Thewithdrawal撤回ofplasticbagsandareturntorecyclableones（名词词组通过主语点题）2衔接连贯：2.1从句用了4句，引导词为that和beforeAs；单句用了6句并列句用了1句结论：句子单句，并列句，复合句错落有致2.2句间连贯：However,Foronething,Foranother,Inthelongrun,Luckily,Ontheotherhand,Bydoingso,2)ModelTwo:(08年6月)：RecreationalActivities1Lasttwodecadeshavewitnessedab
7、oominrecreationalactivities.（单句）2Fromsportsgamestofashionshows,fromoutdoorexpeditions(远征)tocomputergames,peoplefindthemselvespartyingeveryday.（单句）3Tosomeextent,recreationhasbecomeamustintheirlife.（单句）4Recreationalactivities,beyondalldoubt,canhelppe
