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1、TOEFL®iBT INTEGRATEDWRITINGTPO22Science&SocietyETHANOLFUEL乙醇燃料Reading：Ethanolfuel,madefromplantssuchascornandsugarcane,hasbeenadvocatedbysomepeopleasanalternativetogasolineintheUnitedStates.However,manycriticsarguethatethanolisnotagoodreplacementforgasolineforseveralreason
2、s.Vocabulary:bemadefrom由...制成（看不出原料）Chopsticksaremadeofbamboos.corn/maizen.玉米sugarcane甘蔗canen.藤条；细长的茎advocatevt.支持，倡议~sth./doingsth./thatS.(should)doalternative(tosth.)cn.替代品,（二选一的）选项adj.可选的gasoline/gasuc.汽油=petrocriticcn.批评家，评论家criticizevt.批评criticismuc.批评criticala
3、dj.严重的；重要的，批判的replacementn.替代；替代品replaceAwithBKeyWords:Ethanolfuel,madefromplantssuchascornandsugarcane,hasbeenadvocatedbysomepeopleasanalternativetogasolineintheUnitedStates.However,manycriticsarguethatethanolisnotagoodreplacementforgasolineforseveralreasons.NoteTaking:Et
4、h＜gasParaphrasing:乙醇燃料不是汽油的理想替代品。Ethanolfuelisnotanidealsubstitueforgasoline.主体段1First,theincreaseduseofethanolfuelwouldnothelptosolveoneofthebiggestenvironmentalproblemscausedbygasolineuse:globalwarming.Likegasoline,ethanolreleasescarbondioxideintotheatmospherewhenitisbur
5、nedforfuel,andcarbondioxideisagreenhousegas:ithelpstrapheatintheatmosphere.Thus,ethanoloffersnoenvironmentaladvantageovergasoline.Volcabulary:solvevt.解决solutioncn.解决方案releasevt.释放（囚徒、气体等）；发布uc.释放；发布carbondioxide二氧化碳carbonmonoxide一氧化碳atmosphereuc.大气；氛围burn–burnt/burned–burn
6、t/burnedvt.燃烧，（被阳光或化学物品等）灼烧agreenhousegas温室气体除CO2外还有CH4(methane)green绿叶植物haveanadvantageover对...有优势KeyWords:First,theincreaseduseofethanolfuelwouldnothelptosolveoneofthebiggestenvironmentalproblemscausedbygasolineuse:globalwarming.Likegasoline,ethanolreleasescarbondioxidei
7、ntotheatmospherewhenitisburnedforfuel,andcarbondioxideisagreenhousegas:ithelpstrapheatintheatmosphere.Thus,ethanoloffersnoenvironmentaladvantageovergasoline.NoteTaking:Eth×→g/w∵→CO2=grnhsgasParaphrasing1:乙醇燃料对全球气候变暖没有帮助，因为它会产生二氧化碳，一种温室气体。Ethanolfuelbringsnobenefitstosolvin
8、gglobalwarming,becauseitexhaustscarbondioxidewhenbeingburnt,whichisakindofgreenhousegas.主
