2023年大学英语四级阅读理解试题及答案

大学英语四级阅读理解试题及答案

（四）Passage FourQuestions26to30are basedon the following passage.On Thursdayafternoon Mrs.Clarke,dressed forgoing out,took her handbag withher moneyand herkeyin it,pulled thedoor behindher tolock itand wentto theover60s Club.She alwayswent thereonThursdays.It was a niceouting foran oldwoman wholived alone.At sixoclock shecame home,let herselfin andat oncesmelt cigarettesmoke.Cigarette smokein herhouseHow HowHad someonegot inShe checkedthe back door and the windows.All werelockedor fastened,as usual.There wasno signof forcedentry.Over acup oftea shewondered whethersomeonemight havea keythat fittedher front door-na masterkey“perhaps.So shestayed athome thefollowingThursday.Nothing happened.Was anyonewatching hermovements On the Thursdayafterthat shewent outat herusual time,dressed asusual,but shedidnt goto the club.Instead shetook ashortcut homeagain,letting herselfin throughher gardenand thebackdoor.She settleddown towait.It wasjust afterfour oclockwhen the front doorbell rang.Mrs.Clarke wasmaking acup oftea atthetime.The bellrang again,and thenshe heardher letter-box beingpushed open.With thekettle ofboilingwater inherhand,she movedquietly towardsthefrontdoor.A longpiece ofwire appearedthrough theletter-box,and thena hand.The wireturned andcaught aroundthe knobon thedoor-lock.Mrs.Clarkeraised thekettle andpoured the water overthe hand.There was a shoutoutside,andtheskin seemedtodrop offthe fingerslike aglove.The wirefell to the floor,the handwas pulled back,and Mrs.Clarkeheard thesound ofrunning feet.

26.Mrs.Clarke lookedforward toThursday because.A.she workedat a club on the dayB.she saidvisitors on ThursdaysC.she visitedaclubon ThursdayD.a specialvisitor cameonThursday

27.If someonehad madea forcedentry,.A.Mrs.Clarke wouldhave founda brokendoor orwindowB.he orshe wasstill in the houseC.things wouldhave beenthrown aboutD.he orshe wouldhave needed a masterkey

28.On thethird ThursdayMrs.Clarke wentoutA.because shedidn*t wantto misstheclubagainB.to seeif thethief washanging aboutoutsideC.to theclub butthen changedher mindD.in anattempt totrick thethief

29.The lockonthefrontdoorwas onewhich.A.neededapiece ofwire to open itB.could heopened frominside withouta keyC.couldnt beopened withouta keyD.used aknob insteadof akey

30.The wirefell to the floorA.because Mrs.Clarke refusedtoopenthe doorB.when themans glovedropped offC.because itwas toohot toholdD.because theman justwanted toget away答案c ad bd十九Water problemsin thefuture willbecome noreintense and more complex.Our increasingpopulationwill tremendouslyincrease urbanwastes,primarily sewage.Ontheother hand,increasing demandsfor water will deceasesubstantialy theamount of water availablefor dilutingwastes.Rapidly expandingindustries whichinvolve moreand morecomplex chemical processes willproducelarge volumesof liquidwastes,and manyof thesewill containchemicals whichare noxious.To feedour rapidlyexpanding population,agriculture willhave tobe intensified.This willinvolveever-increasingquantities ofagricultural chemicals,From this,it isapparent thatdrasticsteps mustbe takenimmediately to develop correctivemeasures forthe pollutionproblem.There aretwo waysby whichthis pollutionproblem canbe dwindled.The firstrelates tothe treatment ofwastes todecrease theirpollution hazard.This involvesthe processingof solidwastesprior to〃disposal andthetreatmentof liquidwastes,or efflunets,to permitthe reuseof thewateror minimizepollution uponfinal disposal.A secondapproach istodevelopan economicuse forall ora partofthewastes.Farm manureis spreadin fieldsasanutrient ororganic supplement.Effluents fromsewage disposalplantsare usedin someareas bothfor irrigationand forthe nutrientscontained.Efflunets fromotherprocessing plantsmay alsobe usedasasupplemental sourceof water.Many industries,suchas meatand poultryprocessing plants,are currentlyconverting formerwaste productsintomarketable byproducts.Other industriesare potentialeonomic usesfor wasteproducts.

1.The purposeof thispassage isa.to alertthe readertothedwindling watersupplyb.to explainindustrial usesof waterc.to acquaintthe readerwith waterpollution problemsd.to demostratevarious measuresto solvethe pollutionproblem

2.Which ofthefollowingpoints isNOT INCLUDEDinthepassagea.In dustrialdevelopment incudesthe simplificationof complexchemicalprocesses.b.Diluting wastesneeds certainamount ofwaterc.Demands forwaterwillgo upalong withthe expandingpopulationd.Intensive cultivationof landrequires moreandmorechemicals

3.The readercan concluedthata.countries ofthe worldwill worktogether onpolution problemsb.byproducts fromwastes leadto amore prosperousmarketplacec.science ismaking greatprogress onincreasing watersuppliesd.some industriesare now,aking economicuse ofwastes

4.The authorgives substancetothepassage throughthe useofa.interviews withauthorities inthe fieldofwatercontrolsb.opinions andpersonal observationsc.definitions whichclarify importanttermsd.strong argumentsand persuasions

5.The words〃prior toz，para.2probably meana.afterb.duringc.befored.beyond答案:c adbc。