2012年6月英语四级模拟题带答案(一至五).doc2012年6月英语四级模拟题带答案(一至五).doc

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大学英语四级考试模拟题一PARTⅠWRITING(30MINUTES)DIRECTIONSFORTHISPART,YOUAREALLOWED30MINUTESTOWRITEASHORTESSAYONTHETOPICONE–OFFCHOPSTICKSYOUSHOULDWRITEATLEAST120WORDSFOLLOWINGTHEOUTLINEGIVENBELOWINCHINESE1你和你的朋友在餐厅就餐,你的朋友对餐厅提供的非一次性筷子不满。2餐厅的负责人解释说这是为了节约资源,并保证这些餐具已经严格消毒;3你对此事的看法和采取的做法。ONEOFFCHOPSTICKS注意此部分试题在答题卡1上。PARTⅡREADINGCOMPREHENSION(SKIMMINGANDSCANNING)(15MINUTES)DIRECTIONSINTHISPART,YOUWILLHAVE15MINUTESTOGOOVERTHEPASSAGEQUICKLYANDANSWERTHEQUESTIONSONANSWERSHEET1FORQUESTIONS17,CHOOSETHEBESTANSWERFROMTHEFOURCHOICESMARKEDA,B,CANDDFORQUESTIONS810,COMPLETETHESENTENCESWITHTHEINFORMATIONGIVENINTHEPASSAGE注意此部分试题请在答题卡1上作答;810题在答题卡1上。PLASTICBAGPOLLUTIONTHEUSEOFPLASTICBAGSHASINCREASEDATANALARMINGRATESINCETHEYBECAMEPOPULARINTHE1980SBIGBLACKBINLINERS,PLASTICCARRIERBAGSCARRYINGADVERTISINGLOGOS,CLEARSANDWICHBAGSANDAVARIETYOFOTHERFORMSTHEY’RELIGHTWEIGHT,HANDYANDEASILYDISCARDEDTOOEASILYDISCARDEDJUSTTAKEALOOKAROUNDYOUPLASTICBAGSCANBESEENHANGINGFROMTHEBRANCHES,FLYINGINTHEAIR,SETTLEDAMONGSTBUSHES,ANDFLOATINGONRIVERSTHEYBLOCKUPDRAINSCAUSINGWATERANDSEWAGETOOVERFLOWANDBECOMETHEBREEDINGGROUNDSOFBACTERIATHATCAUSEDISEASESPLASTICBAGSAREDIFFICULTANDCOSTLYTORECYCLEANDMOSTENDUPONLANDFILLSITESWHERETHEYTAKEAROUND300YEARSTODECAYTHEYBREAKDOWNINTOTINYTOXICPARTICLESTHATPOLLUTETHESOILANDWATERWAYSANDENTERTHEFOODCHAINWHENANIMALSACCIDENTALLYCONSUMETHEMBUTTHEPROBLEMSSURROUNDINGWASTEPLASTICBAGSSTARTLONGBEFORETHEYDECAYOURPLANETISBECOMINGINCREASINGLYENDANGEREDBYOUROVERUSEOFPLASTICBAGSPRODUCTIONOFPLASTICBAGSPLASTICBAGSAREMADEFROMETHYLENE乙烯,AGASTHATISPRODUCEDASABYPRODUCTOFOIL,GASANDCOALPRODUCTIONETHYLENEISMADEINTOPOLYMERS聚合体CHAINSOFETHYLENEMOLECULESCALLEDPOLYETHYLENETHISSUBSTANCE,ALSOKNOWNASPOLYTHENE,ISUSEDTOPRODUCEARANGEOFITEMS,INCLUDINGPLASTICBAGSYOUHAVEPROBABLYNOTICEDTWOTYPESOFPLASTICSHOPPINGBAGSTHELIGHTER,FILMYBAGSYOUGETFROMSUPERMARKETSANDFOODOUTLETS,ANDTHEHEAVIERBAGSFROMOTHERRETAILOUTLETS,LIKECLOTHINGSTORESTHESUPERMARKETBAGSAREMADEFROMHIGHDENSITYPOLYETHYLENEHDPE,WHILETHETHICKERBAGSAREMADEFROMLOWDENSITYPOLYETHYLENELDPEUNLIKEHDPE,LDPECANNOTBERECYCLEDWHILEPLASTICBAGSMAYNOTBETHEMOSTHIGHTECHAPPLICATIONOFPLASTICSTECHNOLOGY,ITISCERTAINLYONEOFTHEMOSTPREVALENTACCORDINGTOCLEANUPAUSTRALIA,AUSTRALIANSUSEINEXCESSOF6BILLIONPLASTICBAGSPERYEARIFTIEDTOGETHERTHESEBAGSWOULDFORMACHAINTHATISLONGENOUGHTOGOAROUNDTHEWORLD37TIMESMORETHANHALFOFTHESEBAGS36BILLIONAREMADEFROMHDPEDANGERSTOSEALIFEPLASTICBAGSARENOWAMONGSTTHETOP12ITEMSOFWASTEMOSTOFTENFOUNDALONGTHECOASTLINESANIMALSANDSEACREATURESAREHURTANDKILLEDEVERYDAYBYDISCARDEDPLASTICBAGSADEADTURTLEWITHAPLASTICBAGHANGINGFROMITSMOUTHISN’TAPLEASANTSIGHTBUTMISTAKINGPLASTICBAGSFORFOODISCOMMONPLACEAMONGSTMARINEANIMALSPLASTICBLOCKSTHEIRINTESTINES肠道ANDLEADSTOSLOWSTARVATIONOTHERSBECOMEENTANGLEDINPLASTICBAGSANDDROWNBECAUSEPLASTICBAGSTAKEHUNDREDSOFYEARSTOBREAKDOWN,EVERYYEAROURSEASBECOME“HOME”TOMOREANDMOREBAGSTHATFINDTHEIRWAYTHERETHROUGHOURSEWERSANDWATERWAYSEVERYBAGTHAT’SWASHEDDOWNADRAINDURINGRAINFALLENDSUPINTHESEA;EVERYBAGTHAT’SFLUSHEDDOWNATOILETENDSUPINTHESEA;EVERYBAGTHAT’SBLOWNINTOARIVERWILLMOSTLIKELYENDUPINTHESEAONEDISQUIETINGFACTSTEMMINGFROMTHISISTHATPLASTICBAGSCANBECOMESERIALKILLERSONCEANANIMALDIETOFPLASTICBAGS,ITDECAYSATAMUCHFASTERRATETHANTHEBAGONCETHEANIMALHASDECOMPOSED,THEBAGISRELEASEDBACKINTOTHEENVIRONMENTMOREORLESSINTACT,READYTOBEEATENBYANOTHERMISGUIDEDORGANISMTHEINCREDIBLYSLOWRATEOFDECAYOFPLASTICBAGSALSOMEANSTHATEACHBAGWEUSECOMPOUNDSTHEPROBLEM,BECAUSETHEBAGSSIMPLYACCUMULATEPOLLUTIONTAXESBANSDIFFERENTCOUNTRIESHAVEADOPTEDARANGEOFAPPROACHESTODISCOURAGETHEUSEOFPLASTICBAGSINANATTEMPTTOCUTDOWNONTHENUMBEROFBAGSFINDINGTHEIRWAYINTOTHEENVIRONMENTINSOUTHAFRICAFORINSTANCE,WHEREANESTIMATEDEIGHTBILLIONPLASTICBAGSAREUSEDANNUALLY,THEGOVERNMENTHASIMPLEMENTEDNEWREGULATIONSTHATWILLSEEONLYTHICKER,MOREDURABLEPLASTICBAGSPRODUCEDASWELLASMAKINGTHEMMORESUITABLEFORREUSE,ITISHOPEDTHATTHEEXTRACOSTASSOCIATEDWITHTHEIRPRODUCTIONANDSUPPLYWILLPREVENTRETAILERSGIVINGTHEHIGHERQUALITYBAGSAWAY,MAKINGTHEIRUSEAMOREEXPENSIVEOPTIONFORCONSUMERSTHEUSEOFPLASTICBAGSISBEINGDISCOURAGEDINOTHERPLACESSUCHASSINGAPOREANDTAINWAN,WHILETHETAXIMPOSEDONTHEUSEOFPLASTICSHOPPINGBAGSINIRELANDHASRESULTEDINTHEUSEOFPLASTICSHOPPINGBAGSBEINGREDUCEDBY90INJUSTSIXMONTHSPRIORTOTHE15EUROCENTPERBAGTAX,ITWASESTIMATEDTHAT12MILLIONPLASTICSHOPPINGBAGSWEREBEINGHANDEDOUTINIRELANDPERYEARTHEMONEYRAISEDFROMTHETAXWILLBEUSEDTOFUNDENVIRONMENTALINITIATIVESWHILEANYTHINGTHATLOWERSOURCONSUMPTIONISGOOD,WHYWAITUNTILWE’REHITFINANCIALLYBEFOREWECHANGEOURHABITSWHENCHANGESAREN’TDIFFICULTTOMAKEHOWABOUTTAKINGPREVIOUSLYUSEDBAGSWITHYOUNEXTTIMEYOUGOTOTHESHOPSOREVENBETTERTURNBACKTIMEANDDOASGRANDMADIDANDTAKEABAMBOOBASKETWITHYOUEVERYTIMEYOUGOSHOPPINGSHOPOWNERSWOULDRATHERYOUUSETHEIRBAGSASTHEY’REACONVENIENTANDCHEAPFORMOFADVERTISING,BUTWHAT’SMOREIMPORTANT,SHAREHOLDERPROFITSORTHEENVIRONMENTPLASTICBAGSCANBERECYCLEDALTHOUGHONLYABOUTONEINEVERY200EVERFINDSITSWAYTOARECYCLINGUNITFINDOUTIFTHERE’SARECYCLINGBINNEARYOUAND,IFNOT,ASKYOURLOCALAUTHORITYFORONEGREENHOUSEGASESSOMECOUNTRIESHAVEINTRODUCEDSOCALLED“ENVIRONMENTALLYFRIENDLYPLASTICBAGS”THATAREBIO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