2024年12月大学英语四级CET-4真题试卷

12月大學英語四级(CET-4)真題试卷PartIWriting(30minutes)Directions: Forthispart,youareallowed30minutetowriteashortessayonthetopicofstudentsselectingtheirlectures.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbellow:1. 名校校园正成為旅游新热點2. 校园与否应對游客開放，人們見解不一样3. 我认為…ShouldtheUniversityCampusBeOpentoTourists?PartIIReadingComprehension(SkimmingandScanning)(15minutes)Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.ImprovingReadingSpeedItissafetosaythatalmostanyonecandoublehisspeedofreadingwhilemaintainingequalorevenhighercomprehension.Inotherwords,anyonecanimprovethespeedwithwhichhegetswhathewantsfromhisreading.Theaveragecollegestudentreadsbetween250and350wordsperminuteonfictionandnon-technicalmaterials.A“good”readingspeedisaround500to700wordsperminute,butsomepeoplecanreadathousandwordsperminuteorevenfasteronthesematerials.Whatmakesthedifference?Therearethreemainfactorsinvolvedinimprovingreadingspeed:(1)thedesiretoimprove,(2)thewillingnesstotrynewways,(3)themotivationtopractice.Learningtoreadrapidlyandwellpresupposesthatyouhavethenecessaryvocabularyandcomprehensionskills.Whenyouhaveadvancedonthereadingcomprehensionmaterialstolevelatwhichyoucanunderstandcollege-levelmaterials,youwillbereadytobeginspeedreadingpracticeinearnest.Understandingtheroleofspeedinreadingprocessisessential.Researchhasshownacloserelationshipbetweenspeedandunderstanding.Forexample,incheckingprogresschartsofthousandsofindividualstakingreadingtraining,ithasbeenfoundinmostcasesthatanincreasinginratehasbeenparalleledbyanincreaseincomprehension,andthatwhereratehasgonedown,comprehensionhasalsodecreased.Mostadultsareabletoincreasetheirrateofreadingconsiderablyandratherquicklywithoutloweringcomprehension.Someofthefactswhichreducereadingrate:limitedperceptualspani.e.,word-by-wordreading;slowperceptualreactiontime,i.e.,slownessofrecognitionandresponsetothematerial;vocalization,includingtheneedtovocalizeinordertoachievecomprehension;faultyeyemovements,includesinaccuracyinplacementofthepage,inreturnsweep,inrhythmandregularityofmovement,etc.;regression,bothhabitualandasassociatedwithhabitsofconcentration;lackofpracticeinreading,duesimplytothefactthatthepersonhasreadverylittleandhaslimitedreadinginterestssothatverylittlereadingispracticedinthedailyorweeklyschedule.Sincetheseconditionsactalsotoreducecomprehension,increasingthereadingratethrougheliminatingthemislikelytoresultinincreasedcomprehensionaswell.Thisisanentirelydifferentmatterfromsimplyspeedinguptherateofreadingwithoutreferencetotheconditionsresponsiblefortheslowrate.Infact,simplyspeedingtherateespeciallythroughforcedacceleration,mayactuallyresult,andoftendoes,inmakingtherealreadingproblemmoresever.Inaddition,forcedaccelerationmayevendestroyconfidenceinabilitytoread.Theobvioussolutionthenistoincreaserateasapartofatotalimprovementofthewholereadingprocess.Awellplannedprogrampreparedformaximumincreaseinratebyestablishingthenecessaryconditions.Threebasicconditionsinclude:1.Eliminatethehabitifpronouncingwordsasyouread.Ifyousoundoutwordsinyourthroatorwhisperthem,youcanreadslightlyonlyasfastasyoucanreadaloud.Youshouldbeabletoreadmostmaterialsatleasttwoorthreetimesfastersilentlythanorally.2.Avoidregressing(rereading).Theaveragestudentreadingat250wordsperminuteregressesorrereadsabout20timesperpage.Rereadingwordsandphrasesisahabitwhichwillslowyourreadingspeeddowntoasnail’space.Furthermore,theslowestreaderusuallyregressesmostfrequently.Becausehereadsslowly,hismindhastimetowanderandhisrereadingreflectsbothhisinabilitytoconcentrateandhislackofconfidenceinhiscomprehensionskills.3.Developawidereye-span.Thiswillhelpyoureadmorethanonewordataglance.Sinceawrittenmaterialislessmeaningfulifreadsword–by-word,thiswillhelpyoulearntoreadbyphrasesorthroughunits.Poorresultsareinevitableifthereaderattemptstousethesamerateindiscriminatelyforalltypesofmaterialandforallreadingpurpose.Hemustlearntoadjusthisratetohispurposeinreadingandtothedifficultyofthematerialheisreading.Thisrangesfromamaximumrateoneasy,familiar,interestingmaterialorinreadingandtogatherinformationonaparticularpoint,tominimalrateonmaterialwhichisunfamiliarincontentandlanguagestructureorwhichmustbethoroughlydigested.Theeffectivereaderadjusthisrate;theinefficientreaderusesthesamerateforalltypesofmaterial.Rateadjustmentmaybeoveralladjustmenttothearticleasawhole,orinternaladjustmentwithinthearticle.Overalladjustingestablishesthebasicrateatwhichthetotalarticleisread;internaladjustmentinvolvesthenecessaryvariationsinrateforeachvariedpartofthematerial.Asananalog,youplantotakea100-milemountaintrip,tonomorethan15milesperhouronsomecurvesandhills,whilespeedingupto50milesperhourormoreonrelativelystraightandlevelsections.Thisisyouroverallrateadjustment.However,inactualdrivingyoumayslowdownstraightandlevelsections.Thisisyourinternalrateadjustment.However,inactualdrivingyoumayslowdownstraightandlevelsections.Thisisyouroverallrateadjustment.Thereisnosetrate,therefore,whichthegoodreaderfollowsinflexibleinreadingaparticularselection,eventhoughhehassethimselfanoverallrateforthetotaljob.Inkeepingyourreadingattackflexible,adjustyourratesensitivityfromarticle.Itisequallyimportanttoadjustyourratewithinagivenarticle.Practicethesetechniquesuntilaflexiblereadingratebecomessecondnaturetoyou.Whichofthefollowingisnotafactorinimprovingspeed?Thewillingnesstotrynewtechniques.ThemotivationtoimproveThedesiretopracticeThemaximizingreadingrate2.Understandcollegelevelmaterialsispreparationfor.A)beginningspeedreadingB）adecreaseinrateleadstoanincreaseincomprehensionC)anhavingthenecessaryvocabularyD)practicingcomprehensionskills3.Formostpeople.A)adecreaseincomprehensionleadstoadecreaseinrateB)adecreaseinrateleadstoanincreaseincomprehensionC)anincreaseinrateleadstoandecreaseincomprehensionD)anincreaseinrateleadstoadecreaseincomprehension4.Whichofthefollowingfactsreducecomprehensionwhilereading?A)LimitingperceptualspanB)SpeedinguptherateC)AvoidingregressingorrereadingD)Understandingtheroleofspeedinreadingprocess5.Speedingupyourreadingratethroughforcedaccelerationoftenresultsin________.A)reducingcomprehensionB)increasingcomprehensionC)reducingyourreadingproblemD)increasingyourreadingproblem6.Whichofthefollowingfactorswillhelpyouincreasereadingrate?A)Readingwordbyword.B)Developingawidereye-span.C)Concentratingandbeingconfident.D)Developingthehabitofpronouncingwordsasyouread.7.Howtoobviouslyimprovingreadingrate?A)Toreturnsweepinaccuracy.B)Toestablishaflexiblereadingrate.C)Tousethesamerateforalltypesofmaterial.D)Tosimplyacceleratereadingspeedintentionally.8.Researchhasshownthatinmostcasesanincreaseinratehasbeenparalleledby______________.9.Apoorreaderestablishes________________________forreadinganarticle.10.Eventhoughagoodreaderhassethimself__________________forthetotalreading,thereisnosetrate.Part=3\*ROMANIIIListeningComprehension(35Minutes)SectionADirections:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.ThenmarkthecorrespondingletteronAnswersheet2withasinglelinethroughthecentre.11. A)Seeadoctor.B)Stayinbedforafewdays.C)Gettreatmentinabetterhospital.D)Makeaphonecalltothedoctor.12. A)The2:00trainwillarriveearlier.B)The2:30trainhasadiningcar.C)Thewomanpreferstotakethe2:30train.D)theyaregongtohavesomefastfoodonthetrain13. A)ShehasbeenlongingtoattendHarvardB)She’llconsidertheman’ssuggestioncarefully.C)ShehasfinishedherprojectwithDr.Garcia’shelp.D)She’llconsultDr.Garciaaboutenteringgraduateschool.14. A)Alicedidn’tseemtobenervousduringherspeech.B)Aliceneedsmoretraininginmakingpublicspeeches.C)ThemancanhardlyunderstandAlice’spresentation.D)Themandidn’tthinkhighlyofAlice’spresentation.15. A)Atapublishinghouse.B)Atabookstore.C)Inareadingroom.D)InProf.Jordan’soffice.16. A)Themancanstayinherbrother’sapartment.B)Herbrothercanhelpthemanfindacheaperhotel.C)Herbrothercanfindanapartmentfortheman.D)Themanshouldhavebookedalessexpensivehotel.17. A)Priorityshouldbegiventolistening.B)It’smosthelpfultoreadEnglishnewspaperseveryday.C)It’smoreeffectivetocombinelisteningwithreading.D)Readingshouldcomebeforelistening.18. A)Helpthecompanyrecruitgraduatestudents.B)Visittheelectronicscompanynextweek.C)Getapart-timejoboncampusbeforegraduation.D)Applyforajobintheelectronicscompany.Questions19to22arebasedontheconversationyouhavejustheard.19.A)Hehasfinishedthecourse.B)Hehastoworkintheevenings.C)Thereisnocoursehewantstostudy.D)Thereisnoroomforhim.20.A)Hisbosswillbeveryangry.B)Hisbosswilldohimafavor.C)Hisbosswillshifttheworktimeforhim.D)Hisbosswillpayhimless.21.A)Hecanusethepool.B)Hecouldgetcrediteasier.C)Hewillgiveuphiswork.D)Hecouldtransferhiscreditsthere.22.A)Whentomove.B)Wheretolivethefollowingyear.C)Howmuchtimetospendathome.D)Whosehousetovisit.Questions23to25arebasedontheconversationyouhavejustheard.23.A)TakemoneytotheHousingOffice.B)Informthedirectorofstudenthousinginletter.C)Filloutaforminalibrary.D)Maintainahighgradeaverage.24.A)Bothliveoncampus.B)Bothliveoffcampus.C)Themanlivesoncampus;thewomanlivesoffcampus.D)Thewomanlivesoncampus;themanlivesoffcampus.25.A)GradeB)PrivacyC)SportsD)MoneySectionBDirections:Inthissection,youwillhear3shortpassages.Attheendofeachpassage.Youwillhearsomequestions.Bossthepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions26to28arebasedonthepassageyouhavejustheard.26. A)Ithabeenproventobethebestpain-killer.B)Itisapossiblecureforheartdisease.C)Itcanhelplowerhighbodytemperatureeffectively.D)Itreducesthechanceofdeathforheartsurgerypatients.27. A)Itkeepsbloodvesselsfrombeingblocked.B)Itspeedsuptheirrecoveryaftersurgery.C)Itincreasesthebloodflowtotheheart.D)Itadjuststheirbloodpressure.28. A)Itisharmfultoheartsurgerypatientswithstomachbleeding.B)Itshouldnotbetakenbyheartsurgerypatientsbeforetheoperation.C)Itwillhaveconsiderablesideeffectsiftakeninlargedoses.D)Itshouldnotbegiventopatientsimmediatelyaftertheoperation.PassageTwoQuestions29to32arebasedonthepassageyouhavejustheard.29. A)Theystronglybelieveinfamilyrules.B)Theyareverylikelytosucceedinlife.C)Theytendtotakeresponsibilityforthemselves.D)Theyareinthehabitofobeyingtheirparents.30. A)Theygrowuptobefunnyandcharming.B)Theyoftenhaveapoorsenseofdirection.C)Theygetlessattentionfromtheirparents.D)Theytendtobesmartandstrong-willed.31. A)Theyusuallydon’tfollowfamilyrules.B)Theydon’tliketotakechancesintheirlives.C)Theyarelesslikelytobesuccessfulinlife.D)Theytendtobelieveintheirparent’sideas.PassageThreeQuestions32to35arebasedonthepassageyouhavejustheard.32. A)Theywantedtofollowhisexample.B)Theyfullysupportedhisundertaking.C)Theywerepuzzledbyhisdecision.D)Theywereafraidhewasn’tfullyprepared.33. A)Itismoreexcitingthanspacetravel.B)Itismuchcheaperthanspacetravel.C)Itismuchsaferthanspacetravel.D)Itislesstime-consumingthanspacetravel.34. A)Theybothattractscientists’attention.B)Theycanbothbequitechallenging.C)Theyareboththought-provoking.D)Theymaybothleadtosurprisingfindings.35. A)Toshowhowsimplethemechanicalaidsfordivingcanbe.B)Toprovideanexcuseforhischangeablecharacter.C)Toexplorethephilosophicalissuesofspacetravel.D)Toexplainwhyhetookupunderwaterexploration.SectionCDirections:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthemainpointsinyourownwords.Finally,whenthepassageisreadforthethirdtime,youshouldcheckwhatyouhavewritten.Ifyouareayoungcollegestudent,mostofyourconcernsaboutyourhealthandhappinessinlifeareprobably(36)onthepresent．Basically，youwanttofeelgoodphysically,mentally,and(37)now．Youprobablydon’tspendmuchtimeworryingaboutthe(38)future，suchaswhetheryouwilldevelopheartdisease，or(39)，howyouwilltakecareofyourselfinyour(40)years,orhowlongyouaregoingtolive．Suchthoughtsmayhave(41)yourmindonceawhile.However,ifyouareinyourthirties,forties，fifties，orolder,suchhealth(42)thoughtsarelikelytobecome(43)importanttoyou.(44)thatwillhelpyoufeelbetterphysicalandmentally．Recentlyresearchershavefoundthat，eveninlateadulthood，exercise，strengthtrainingwithweights，andbetterphysicallyandbetterfoodcanhelpelderlyinvidualssignificantlyimprovetheirhealthandaddhappinesstotheirlife.(45)givingustheopportunitytoavoidsomeofthehealthproblemsthathavetroubledthem．(46).PartIVReadingComprehension(readingindepth)(25minutes)SectionADirections: Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinbankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions47to56arebasedonthefollowingpassage.ThevastmajorityofchildreninBritain(87％)attendstate(10calauthority)schoolswhichprovide47educationfromtheageof5to16years．Theseschoolscanbe48accordingtotheage49ofthepupilsandthetypeofeducationprovided．50,therearetwotypesofschool,primaryandsecondary,althoughinsomeareastherearealsomiddleschools.Primaryschools51forchildrenaged5-11，andsecondaryschoolsforages11-l6(andinsomeareasupto18years)．Primaryschoolscanbesubdividedintoinfantschools(forages5-7)andjuniorschools(forage7-11).Secondaryschoolsarenormallyofone52forallabilities，thatistosay,comprehensiveschools.Morethan90％ofchildreninstateschoolsattendthiskindofschool．Insomeareasmiddleschoolsexistasan53levelafterprimaryschoolforchildrenaged8or9to12or13．Pupilsthenmovetocomprehensiveschools.Inaverysmallnumberofareas,pupilsmaybegroupedaccordingtotheirabilityand54bymeansofanexaminationattheageof11.Intheseareas，grammarschoolsareonesforthosewhopasstheexam．Thosewhofailgotoanothersecondaryschool.Whenpupilsreachtheageof16theremaybethreechoices55tothem．Firstly，theymayleaveschool.Secondly,theymaystayonatschoolfortwomoreyearsifithasaSixthForm．Thirdly，theymay56toaSixthFormcollege，aTertiaryCollegeoraFurtherEducationCollege.[A]extra[F]type[k]optional[B]open[G]transfer[L]form[C]compulsory[H]cater[L]form[D]selected[I]Basically[N]defined[E]range[J]classified[O]InevitablySectionBDirections: Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions57to61arebasedonthefollowingpassage..IncommunitiesnorthofDenver,residentsarepitchingintohelpteachersandadministratorsastheVrainschoolDistricttriestosolvea$13.8millionbudgetshortageblamedonmismanagement.“We’reworriedaboutourteachersandprincipals,andwereallydon’twanttolosethembecauseofthis,”oneparentsail.“Ifwecanhelpeasetheirfinancialburden,wewill.“Teachersaregrateful,butknowitmaybeyearsbeforethedistrictissolvent(有综合能力的).Theyfeelreallygoodabouttheparentsupport,buttheyrealizeit’simpossibleforthentosolvethisproblem.The22,000-studentdistrictdiscoveredtheshortagelastmonth.“It’sextraordinary.Nobodywouldhaveimaginedsomethinghappeninglikethisatthislevel,”saidStateTreasurerMikeCoffman.Coffmananddistrictofficialslastweekagreedonastateemergencyplanfreeingypa$9.8millionloanthatenabledthepayroll(工资單)tobemetfor2,700teachersandstaffintimefortheholidays.Districtofficialsalsotook$1.7millionfromstudent-activityaccountsits38schools.AtCoffman’srequest,theDistrictAttorneyhasbeguninvestigatingthedistrict’sfinances.CoffmansayshewantstoknowwhetherdistrictofficialshidthebudgetshortageuntilaftertheNovemberelection,whenvotersapproveda$212millionbondissueforschools.InFrederick,students’parentsarebuyingclassroomsuppliesandofferingtopayforgroceriesandutilitiestokeepfirst-yearteachersandprincipalsintheirjobs.Some$36,000hasbeenraisedindonationsfromSafeway.AChevroletdealershipdonated$10,000andforgavethedistrict’s$10,750billforrentingthedrivereducatingcars.IBMcontributed4,500packsofpaper.“Weemploythousandsofpeopleinthiscommunity,”saidMitchCarson,ahospitalchiefexecutive,whohelpedraisefunds.“Wehavechildrenintheschool,andweseehowtheycouldbeaffected.”AtCreekHighSchool,threestudentsstartedawebsitethatdisplaysnewspaperarticles,districtinformationandanemailforum(论坛)。“Rumorsaboutwhat’shappeningtothedistrictaremovingatlightingspeed,”saidastudent.“Wewantedtoknowthetruth,andspreadthataroundinstead.”57. WhathashappenedtotheVrainA)Ahugefinancialproblemhasarisen.B)Manyschoolstherearemismanaged.C)Lotsofteachersinthedistrictareplanningtoquit.D)Manyadministrativepersonnelhavebeenlaidoff.58. HowdidtheresidentsintheVrainA)Theyfeltsomewhathelplessaboutit.B)Theyaccusedthoseresponsibleforit.C)Theypooledtheireffortstohelpsolveit.D)Theydemandedathroughinvestigation.59. IntheviewofStateTreasurerMikeCoffman,theeducationalbudgetshortageis________.A)unavoidableB)unthinkableC)insolvableD)irreversible60. WhydidCoffmanrequestaninvestigation?A)Toseeiftherewasadeliberatecover-upoftheproblem.B)Tofindouttheextentoftheconsequencesofthecase.C)Tomakesurethattheschoolprincipalswereinnocent.D)Tostopthevotersapprovingthe$212millionbongissue.61. Threehighschoolstudentsstartedawebsiteinorderto________.A)attractgreaterpublicattentiontotheirneedsB)appealtothepublicforcontributionsanddonationsC)exposeofficialswhoneglectedtheirdutiesD)keeppeopleproperlyinformedofthecrisisPassageTwoQuestions62to66arebasedonthefollowingpassage.“Humansshouldnottrytoavoidstressanymorethantheywouldshunfood,loveorexercise.”SaidDr.HansSelye,thefirstphysiciantodocumenttheeffectsofstressonthebody.Whilehere’sonquestionthatcontinuousstressisharmful,severalstudiessuggestthatchallengingsituationsinwhichyou’reabletorisetotheoccasioncanbegoodforyou.Inastudyof158hospitalnurses,thosewhofacedconsiderableworkdemandsbutcopedwiththechallengeweremorelikelytosaytheywereingoodhealththanthosewhofelttheystressthatyoucanmanagealsoboostimmune(免疫的)function.InastudyattheAcademicCenterforDentistryinAmsterdam,researchersputvolunteersthroughtwostressfulexperiences.Inthefirst,atimedtaskthatrequiredmemorizingalistfollowedbyashorttest,subjectsthroughagory(血淋淋的)videoonsurgicalprocedures.ThosewhodidwellonthememorytesthadanincreaseinlevelsofimmunoglobulinA,anantibodythat’sthebody’sfirstlineofdefenseagainstgerms.Thevideo-watchersexperiencedadownturnintheantibody.Stresspromptsthebodytoproducecertainstresshormones.Inshortburststhesehormoneshaveapositiveeffect,includingimprovedmemoryfunction.“Theycanhelpnervecellshandleinformationandputitintostorage,”saysDr.BruceMcEwenofRockefellerUniversityinNewYork.Butinthelongrunthesehormonescanhaveaharmfuleffectonthebodyandbrain.“Sustainedstressisnotgoodforyou,”saysRichardMorimoto,aresearcheratNorthwesternUniversityinIllinoisstudyingtheeffectsofstressonlongevity,“It’stheoccasionalburstofstressorbriefexposuretostressthatcouldbeprotective.”62. Thepassageismainlyabout________.A)thebenefitsofmanageablestressB)stayawayfromC)runoutofD)putupwith63. Theword“shun”(Line1,Para.1)mostprobablymeans________.A)cutdownonB)stayawayfromC)runoutofD)putupwith64. Wecanconcludefromthestudyofthe158nursesinthat________.A)peopleunderstresstendtohaveapoormemoryB)peoplewhocan’tgettheirjobdoneexperiencemorestressC)doingchallengingworkmaybegoodforone’shealthD)stresswillweakenthebody’sdefenseagainstgerms65. IntheexperimentdescribedinParagraph3,thevideo-watchersexperiencedadownturnintheantibodybecause________.A)thevideowasnotenjoyableatallB)theoutcomewasbeyondtheircontrolC)theyknewlittleaboutsurgicalproceduresD)theyfeltnopressurewhilewatchingthevideo66. Dr.BruceMcEwenofRockefellerA)aperson’smemoryisdeterminedbythelevelofhormonesinhisbodyB)stresshormoneshavelastingpositiveeffectsonthebrainC)shortburstsofstresshormonesenhancememoryfunctionD)aperson’smemoryimproveswithcontinuedexperienceofstressPartIVCloze(15minutes)Asaphysicianwhotravelsquitealot,Ispendalotoftimeonplaneslisteningforthatdreaded“Isthereadoctoronboard?”announcement.I’vebeen__67__onlyonce—forawomanwhohadmerelyfainted.Butthe__68_mademequitecuriousabouthow__69__thiskindofthinghappensIwonderedwhatIwoulddoif__70__witharealmidairmedicalemergency-withoutaccess__71__ahospitalstaffandtheusualemergencyequipment.So__72__theNewEnglandJournalofMedicinelastweek__73__astudyaboutin–flightmedicalevents.Ireadit__74__interest.Thestudyestimatedthattherearea(n)__75__of30in-flightmedicalemergenciesonU.S.flightseveryday.Mostofthemarenot_76__;faintinganddizzinessarethemostfrequentcomplaints._77__13%ofthem–roughlyfouraday—areseriousenoughto__78__apilottochangecourse.Themostcommonoftheseriousemergencies__79__hearttrouble,strokes,anddifficultybreathing.Let’sfaceit:planeridesare__80__.Forstarters,cabinpressuresathighaltitudesaresetatroughly__81__theywouldbeifyoulivedat5,000to8,000feetabovesealevel.Mostpeoplecantoleratethesepressurespretty__82__,butpassengerswithheartdisease__83__experiencechestpainsasresultofthereducedamountofoxygenflowingthroughtheirblood.__84__commonin-flightproblemisdeepvenousthrombosis—theso-calledeconomyclasssyndrome(综合症).__85__happens,don’tpanic.Thingsaregettingbetteronthein-flight-emergencyfront.Thankstomorerecentlegislation,flightswithat__86__oneattendantarestartingtoinstallemergencymedicalkitstotreatheartattacks.67. A)calledB)addressedC)informedD)surveyed68. A)AccidentB)conditionC)incidentD)disaster69. A)soonB)longC)manyD)often70. A)confrontedB)treatedC)identifiedD)provided71. A)forB)toC)byD)through72. A)beforeB)sinceC)whenD)while73. A)collectedB)conductedC)discoveredD)published74. A)byB)ofC)withD)in75. A)amountB)averageC)sumD)number76. A)significantB)heavyC)commonD)serious77. A)ForB)OnC)ButD)So78. A)requireB)inspireC)engageD)command79. A)includeB)confineC)implyD)contain80. A)enjoyableB)stimulatingC)tediousD)stressful81. A)who