1阅读下面短文,从短文后所给各题的四个选项(A,B,C,D)中,选出可以填入空白处的最佳选项。IteacheconomicsatUNLVthreetimesperweek.LastMonday,atthebeginningofclass,I31askedmystudentshowtheirweekendhadbeen.Oneyoungmansaidthathisweekendhadnotbeensogood.Hehadhiswisdomteeth32.TheyoungmanthenproceededtoaskmewhyI33seemedtobesocheerful.Hisquestion34meofsomethingI’dreadsomewherebefore:“Everymorningwhenyougetup,youhaveachoiceabouthowyouwantto35lifethatday,”Isaid“Ichoosetobecheerful.”“Letmegiveyoua(n)36,”Icontinued,37allsixtystudentsintheclass.“InadditiontoreachinghereatUNLV,IalsoteachatthecommunitycollegeinHenderson,17milesdownthefreewayfromwhereIlive.OnedayafewweeksagoIdrovetoHenderson.I38thefreewayandturnedontoCollegeDrive.Ionlyhadtodriveanotherquartermiledowntheroadtothecollege.Butjustthenmycar39.Itriedtostartitagain,buttheenginewouldn’t40.SoIputmyflasherson,grabbedmybooks,and41downtheroadtothecollege.”“AssoonasIgotthereIcalledAAA(汽车协会)and42foratowtrucktomeetmeatmycarafterclass.ThesecretaryintheProvost’sofficeaskedmewhathadhappened.“Thisismy43day,”Ireplied,smiling.“Butyourcarbreaksdown”shewaspuzzled,“Whatdoyoumean?”“Ilive17milesfromhere,”Ireplied“Mycarcouldhavebrokendownanywherealongthefreeway.Itdidn’t.44,itbrokedowninthe45place:offthefreeway,withinwalkingdistanceofhere,I’mstillabletoteachmyclass,andI’vebeenabletoarrangeforthetowtrucktomeetmeafterclass.Ifmycarwas46tobreakdowntoday,itcouldn’thavebeenarrangedinamoreconvenientfashion.”“Thesecretary’seyesopenedwide,andthenshesmiled,Ismiledbackandheadedforclass.”Soendedmystory.I47thesixtyfacesinmyeconomicsclassatUNLV.Despitetheearlyhour,nooneseemedtobeasleep.48mystoryhadtouchedthem.Ormaybeitwasn’tthestoryatall.49,ithadallstartedwithastudent’s50thatIwascheerful.31.A.seriouslyB.cheerfullyC.curiouslyD.coldly32.A.cutB.brokenC.lostD.removed33.A.neverB.seldomC.alwaysD.hardly34.A.remindedB.askedC.informedD.mentioned35.A.approachB.loveC.giveD.enjoy36.A.lessonB.ideaC.storyD.example37.A.addressingB.facingC.attractingD.lecturing38.A.enteredB.followedC.exitedD.took39.A.diedB.destroyedC.settledD.parked40.A.turnroundB.turnoverC.turnbackD.turnaway41.A.movedB.marchedC.struggledD.turned42.A.requiredB.appliedC.demandedD.arranged43.A.goodB.badC.luckyD.hard44.A.HoweverB.ThereforeC.InsteadD.Besides45.A.perfectB.emptyC.terribleD.free46.A.wishedB.askedC.supposedD.meant47.A.examinedB.scannedC.studiedD.analyzed48.A.SomehowB.AnyhowC.ThusD.Therefore49.A.InadditionB.InallC.InfactD.Ingeneral50.A.observationB.recognitionC.judgmentD.puzzle2阅读下面短文,从短文后所给各题的四个选项(A,B,C,D)中,选出可以填入空白处的最佳选项。YoungMisterSmithhadanidea—savingmoneyforthecompanybyincreasingprices.Atthesametime,MisterSmithsuggestedthatthecompanysellgoodsoflessvalue.Ifhis1likedtheidea,MisterSmithmightbegivenmorepay.Perhapshemight2getabetterjobwiththecompany.Businesshadbeenveryslow.SoMisterSmith’semployerthoughtafewminutesaboutthe3.Butthensheshookherhead.“Iam4,Smith,”hisemployersaid.“Itjustwillnotwash.”Now,the5oftheseEnglishwordsshouldbe,“Itwillnotgetclean.”YetMisterSmith’sideadidnothaveanythingtodowithmakingsomething6.Sowhydidhisemployersay,“Itwillnot7?”Mostwordexpertsagreethat“itwillnotwash”8itwillnotwork.EricPartridgewrotethatthesaying9developedinBritaininthe1800s.InnineteenthcenturyEngland,theexpressioncametomeananun...