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1、大学英语四级考试模拟题一PartⅠWriting（30minutes）Directions：Forthispart,youareallowed30minutestowriteashortessayonthetopic:ONE–OFFCHOPSTICKS.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese：1.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
2、.你对此事的看法和采取的做法。 One-offChopsticks注意：此部分试题在答题卡1上。PartⅡReadingComprehension（SkimmingandScanning）（15minutes）Directions：Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesm
3、arkedA,B,CandD.Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.考试就注意：此部分试题请在答题卡1上作答；8-10题在答题卡1上。 PlasticBagPollutionTheuseofplasticbagshasincreasedatanalarmingratesincetheybecamepopularinthe1980s.Bigblackbinliners,plasticcarrierbagscarry
4、ingadvertisinglogos,clearsandwichbagsandavarietyofotherforms.They’relightweight,handyandeasilydiscarded.Tooeasilydiscarded.Justtakealookaroundyou.Plasticbagscanbeseenhangingfromthebranches,flyingintheair,settledamongstbushes,andfloatingonrivers.Theyblockupdrainsc
5、ausingwaterandsewagetooverflowandbecomethebreedinggroundsofbacteriathatcausediseases.Plasticbagsaredifficultandcostlytorecycleandmostenduponlandfillsiteswheretheytakearound300yearstodecay.Theybreakdownintotinytoxicparticlesthatpollutethesoilandwaterwaysandenterth
6、efoodchainwhenanimalsaccidentallyconsumethem.Buttheproblemssurroundingwasteplasticbagsstartlongbeforetheydecay.Ourplanetisbecomingincreasinglyendangeredbyourover-useofplasticbags.ProductionofPlasticBagsPlasticbagsaremadefromethylene(乙烯)，agasthatisproducedasaby-pr
7、oductofoil,gasandcoalproduction.Ethyleneismadeintopolymers(聚合体)—chainsofethylenemolecules—calledpolyethylene.Thissubstance,alsoknownaspolythene,isusedtoproducearangeofitems,includingplasticbags.Youhaveprobablynoticedtwotypesofplasticshoppingbags—thelighter,filmyb
8、agsyougetfromsupermarketsandfoodoutlets,andtheheavierbagsfromotherretailoutlets,likeclothingstores.Thesupermarketbagsaremadefromhighdensitypolyethylene(HDPE),w
