黔南州2025年下半年全国英语等级考试（PETS）四级练习试题库

黔南州2025年下半年全国英语等级考试（PETS）四级练习试题库第一部分：听力理解SectionA:Conversations(对话)Directions:Inthissection,youwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.1.M:Ican'tfindthepasswordfortheWi-Ficonnectioninthelibrary.Couldyouhelpme?W:Youdon'tneedapasswordhere.Justselect"Library_Guest"andacceptthetermsandconditions.Q:Whatdoesthewomanimply?A.Themanneedstoaskthelibrarianforapassword.B.TheWi-Ficonnectioniscurrentlybroken.C.Thenetworkisopenaccesswithasimpleloginprocess.D.ThemanmustusehisstudentIDtologin.2.W:TheseminaronEnvironmentalEthicshasbeenrescheduledtonextFriday.M:Oh,really?Ithoughtitwassupposedtobetomorrow.I'llhavetochangemyflightplan.Q:Whatwillthemanprobablydo?A.Attendtheseminartomorrow.B.Changehisflightreservation.C.Askforarefundforhisflight.D.Gototheseminarbytraininstead.3.M:Thiscoffeeistoobitterforme.Didyouputsugarinit?W:Ithoughtyoulikeditblack.Buttherearesomeartificialsweetenersonthecounterifyouwant.Q:Whatdoesthewomanmean?A.Shemadeamistakebynotaddingsugar.B.Themanshoulddrinkitwithoutsugar.C.Shedoesn'tlikecoffeeherself.D.Themancanusesweetenersifheprefers.4.W:I'mworriedaboutthepresentationtomorrow.Ihaven'tfinishedtheslidesyet.M:Don'tpanic.Remember,contentisking.Aslongasyourdataissolid,thedesignissecondary.Q:Whatdoesthemansuggest?A.Thewomanshouldfocusonthedesignoftheslides.B.Thewomanshouldstayupallnighttofinish.C.Thecontentofthepresentationismoreimportantthanthevisuals.D.Hewillhelpherfinishtheslides.5.M:Thetrafficinthiscityisgettingworse.Ittookmetwohourstogettoworktoday.W:Maybeyoushouldconsidertakingthesubway.It'sfasterandmorereliableduringrushhour.Q:Whatdoesthewomanadvisethemantodo?A.Moveclosertohisworkplace.B.Drivetoworkearlier.C.Usethesubwayforcommuting.D.Reportthetrafficconditiontothepolice.6.W:Iheardyougotapromotion.Congratulations!M:Thankyou,butitmeansIhavetomovetothebranchofficeinShanghainextmonth.I'mnotlookingforwardtothepacking.Q:Howdoesthemanfeelaboutthepromotion?A.Heisexcitedaboutthesalaryraise.B.Heisreluctanttomove.C.Hefeelsunqualifiedforthenewposition.D.Heishappytoleavethecurrentbranch.7.M:Dowehavetoreadtheentirebookfortheliteratureexam?W:Notnecessarily.Theprofessorsaidweshouldfocusonthefirstthreechaptersandthesummaryoftheplot.Q:Whatdoesthewomansayabouttheexam?A.Thewholebookiscovered.B.Onlythesummaryisimportant.C.Specificchaptersandthesummaryarerequired.D.Theexamiscancelled.8.W:Thesteakisdelicioushere,butit'sabitpricey.M:Well,yougetwhatyoupayfor.Consideringtheambianceandtheservice,Ithinkit'sworthit.Q:Whatistheman'sopinion?A.Thesteakistooexpensive.B.Theserviceispoor.C.Thepriceisjustifiedbytheoverallexperience.D.Theyshouldhavegonetoacheaperrestaurant.9.M:Ileftmyumbrellaintheclassroom,andnowit'spouringrain.W:Youcanborrowmine.Ihaveanextraoneinmylocker.Q:Whatwillthewomanprobablydo?A.Lendherumbrellatotheman.B.Gobacktotheclassroomwiththeman.C.Shareherumbrellawiththeman.D.Givethemanherlockerkey.10.W:I'vebeentryingtoreachthecustomerservicedepartment,butthelineisalwaysbusy.M:Youcantrytheironlinechatsupport.It'susuallyquickerthancalling.Q:Whatdoesthemansuggestthewomando?A.Keepcallingthedepartment.B.Sendanemail.C.Usetheonlinechatservice.D.Visittheofficeinperson.SectionB:Passages(短文)Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.PassageOneTheconceptof"emotionalintelligence"(EQ)hasgainedsignificantattentioninrecentyears.UnlikeIQ,whichmeasurescognitiveabilities,EQreferstotheabilitytoidentify,understand,andmanageone'sownemotions,aswellastheemotionsofothers.ResearchsuggeststhathighEQislinkedtobettermentalhealth,improvedjobperformance,andstrongerleadershipskills.Forinstance,amanagerwithhighEQcanresolveconflictswithinateammoreeffectivelybyempathizingwithemployees'perspectives.Developingemotionalintelligenceinvolvesactivelistening,self-reflection,andpracticingempathyindailyinteractions.Questions11to13arebasedonthepassageyouhavejustheard.11.WhatisthemaindifferencebetweenIQandEQ?A.IQisgenetic,whileEQislearned.B.IQmeasurescognitiveabilities,whileEQrelatestoemotionalmanagement.C.IQismoreimportantforsuccessthanEQ.D.IQchangesovertime,whileEQremainsconstant.12.Accordingtothepassage,whatbenefitdoeshighEQbringtoamanager?A.Highertechnicalskills.B.Betterconflictresolutionabilities.C.Fasterpromotionopportunities.D.Increasedphysicalstrength.13.Howcanonedevelopemotionalintelligenceaccordingtothepassage?A.Byreadingmorebooks.B.Byavoidingemotionalsituations.C.Throughactivelisteningandself-reflection.D.Bysuppressingnegativeemotions.PassageTwoUrbanizationisaglobaltrendthatpresentsbothopportunitiesandchallenges.Aspeopleflocktocitiesinsearchofbettereconomicprospects,urbaninfrastructureoftenstrugglestokeeppace.Issuessuchastrafficcongestion,pollution,andhousingshortagesbecomeprevalent.However,citiesarealsohubsofinnovationandculture.Toaddressthechallenges,urbanplannersarenowfocusingon"smartcities."Thesecitiesutilizetechnologyanddatatooptimizeresourceusage,improvepublictransportation,andenhancethequalityoflifeforresidents.Forexample,sensorscanmonitortrafficflowinreal-timeandadjusttrafficsignalsaccordingly,reducingcongestionsignificantly.Questions14to16arebasedonthepassageyouhavejustheard.14.Whydopeoplemovetocitiesaccordingtothepassage?A.Toenjoyaquieterlifestyle.B.Tofindbettereconomicopportunities.C.Toescaperuralpollution.D.Tobeclosertotheirfamilies.15.Whatisamajorchallengementionedregardingurbanization?A.Lackofentertainmentfacilities.B.Highcostofliving.C.Trafficcongestionandpollution.D.Lackofeducationalinstitutions.16.Whatisthegoalof"smartcities"?A.Topreventpeoplefrommovingtocities.B.Tousedataandtechnologytoimprovecitylife.C.Tobuildtallerbuildings.D.Tobanprivatevehicles.PassageThreeTheinventionoftheprintingpressbyJohannesGutenberginthe15thcenturyrevolutionizedthewayinformationwasdisseminated.Beforethis,bookswerepainstakinglycopiedbyhand,makingthemexpensiveandrare.Theprintingpressallowedforthemassproductionofbooks,leadingtoadramaticincreaseinliteracyratesandthespreadofknowledge.ThisbreakthroughplayedacrucialroleintheRenaissance,theReformation,andtheScientificRevolution.Itempoweredindividualstoreadandinterprettextsforthemselves,challengingtheestablishedauthoritiesandpavingthewayformoderndemocracy.Questions17to20arebasedonthepassageyouhavejustheard.17.Whatwasthesituationofbooksbeforetheprintingpress?A.Theywerecheapandwidelyavailable.B.TheywereonlywritteninLatin.C.Theywerecopiedbyhandandwererare.D.Theywerebannedbytheauthorities.18.Whateffectdidtheprintingpresshaveonliteracy?A.Itcausedadeclineinliteracy.B.Ithadnoeffectonliteracy.C.Itsignificantlyincreasedliteracyrates.D.Itmadeliteracyonlynecessaryfortherich.19.WhichhistoricalperiodisNOTmentionedasbeinginfluencedbytheprintingpress?A.TheRenaissance.B.TheIndustrialRevolution.C.TheReformation.D.TheScientificRevolution.20.Whatlong-termimpactdidtheprintingpresshaveonsociety?A.Itstrengthenedthepowerofthechurch.B.Itledtotheinventionoftheinternet.C.Itcontributedtothedevelopmentofmoderndemocracy.D.Itstoppedthespreadofnewideas.SectionC:CompoundDictation(复合听写)Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom21to28withtheexactwordsyouhavejustheard.Forblanksnumberedfrom29to31youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthemainpointsinyourownwords.Finally,whenthepassageisreadforthethirdtime,youshouldcheckwhatyouhavewritten.Thetraditionalimageofalibraryischangingrapidly.Inthepast,librarieswereprimarily(21)_______placesfilledwithshelvesofbooksandstrictrulesaboutsilence.Today,theyareevolvingintovibrantcommunitycenters.Whilebooksremainacore(22)_______,manylibrariesnowofferdigitalservicessuchase-booklendingandaccesstoonline(23)_______.Furthermore,modernlibrariesoftenhostworkshops,(24)_______clubs,andchildren'sactivities.Theyprovidefreeinternetaccessandcomputerterminals,whichare(25)_______forpeoplewhocannotaffordthemathome.Librariesarealsobecomingmakerspaces,equippedwith3Dprintersandtoolsfor(26)_______.Thisshiftreflectsachangeinhowwe(27)_______informationandinteractwithtechnology.Despitethesechanges,thefundamentalmissionofthelibraryremainsthesame:toprovide(28)_______toknowledgeandfosterlearningforeveryone.(29)_______________________________________________.(30)_______________________________________________.(31)_______________________________________________.第二部分：英语知识运用SectionA:MultipleChoice(单项选择)Directions:Thereare20incompletesentencesinthissection.ForeachsentencetherearefourchoicesmarkedA,B,CandD.ChoosetheONEthatbestcompletesthesentence.32.BythetimeyougettoNewYork,I_______forLondon.A.shallbeleavingB.amleavingC.havealreadyleftD.shallhaveleft33.Thearticlesuggeststhatwhenaperson_______underunusualstress,heshouldbeespeciallycarefultohaveawell-balanceddiet.A.isB.wereC.beD.was34.Manyadelegatewasinfavorofhisproposalthataspecialcommittee_______toinvestigatetheincident.A.weresetupB.wassetupC.besetupD.setup35._______intheofficehadmadeamistake,andthefirmregrettedcausingthecustomerinconvenience.A.SomeB.SomeoneC.AnyoneD.One36.Themanagerwouldratherhisdaughter_______inthesamecompany.A.hadnotworkedB.nottoworkC.doesnotworkD.didnotwork37._______mightbeexpected,theresponsetothequestionwasverymixed.A.AsB.ThatC.ItD.What38.Itisvitalthatenoughmoney_______collectedtofundtheproject.A.beB.isC.mustbeD.canbe39.You_______himsoclosely;youshouldhavekeptyourdistance.A.shouldn'tfollowB.mustn'tfollowC.couldn'thavebeenfollowingD.shouldn'thavebeenfollowing40.Thegrowthofpart-timeandflexibleworkingpatterns,andoftrainingandretrainingschemes,_______morewomentotakeadvantageofemploymentopportunities.A.haveallowedB.allowC.allowingD.allows41._______wehavefinishedthecourse,weshallstartdoingmorerevisionwork.A.FornowB.SincethatC.NowthatD.Bynow42.Livinginthewesternpartofthecountryhasitsproblems,_______obtainingfreshwaterisnottheleast.A.withwhichB.forwhichC.ofwhichD.which43.Thepressure_______causesAmericanstobeenergetic,butitalsoputsthemunderaconstantemotionalstrain.A.tocompeteB.competingC.tobecompetedD.havingcompeted44.Hewasn'tappointedchairmanofthecommittee,_______notverypopularwithallitsmembers.A.tobeconsideredB.consideringC.beingconsideredD.havingconsidered45.Thetrumpetplayerwascertainlyloud.ButIwasn'tbotheredbyhisloudness_______byhislackoftalent.A.asB.thanC.ratherthanD.somuchas46.Thisisanillnessthatcanresultintotalblindness_______leftuntreated.A.afterB.ifC.sinceD.unless47.Thehousewasveryquiet,_______asitwasonthesideofamountain.A.isolatedB.isolatingC.beingisolatedD.havingbeenisolated48.Thiscrophassimilarqualitiestothepreviousone,_______bothwind-resistantandadaptedtothesametypeofsoil.A.beingB.beenC.tobeD.havingbeen49.Theprofessorcouldhardlyfindsufficientgrounds_______hisargumentsinfavorofthenewtheory.A.onwhichtobaseB.whichtobaseonC.tobaseonwhichD.onwhichtobebased50.Statisticsindicatethatprimitiveconsumershavedoubletheriskofhavingaheartattackcomparedtothose_______fishregularly.A.eatB.eatingC.eatenD.ate51.Ihavenoobjection_______yourstoryagain.A.tohearB.tohearingC.tohavingheardD.tohaveheardSectionB:Cloze(完形填空)Directions:Thereare20blanksinthefollowingpassage.ForeachblanktherearefourchoicesmarkedA,B,CandD.YoushouldchoosetheONEthatbestfitsintothepassage.Onefactorthatcaninfluenceconsumerspendingistheconceptof"plannedobsolescence."Thisisthepracticeofdesigningproductstohavealimitedusefullife,sotheywillbecomeobsoleteorunfashionableafteracertainperiod.Whilethisstrategycan52economicgrowthbyencouragingconsumerstobuynewermodels,ithasalsodrawnsignificant53.Criticsarguethatplannedobsolescencecreatesunnecessarywasteand54resources.Productsthatarediscarded55contributetoenvironmentalpollution.56,themindsetof"buy,use,andthrowaway"is57becomingunsustainableinaworldwithfiniteresources.Manyconsumersarenowawareoftheseissuesandare58alternatives.Theyarelookingfordurablegoodsthatcanberepairedratherthan59.Inresponsetothisshift,somecompaniesare60theirstrategies.Theyareofferingrepairservicesorusingmodulardesignsthatallowuserstoreplace61partseasily.Thisnotonlyappealstoenvironmentallyconsciousbuyersbutalsobuildsbrandloyalty.62,changeisslow.Thefast-pacednatureoftechnology,63insmartphonesandcomputers,meansthatdevicesbecomeoutdatedquicklynotjustbecausetheybreak,butbecausetheycannotrunthelatestsoftware.Governmentsarealsostartingtotake64.SomeEuropeancountrieshaveintroduced"righttorepair"laws,whichrequiremanufacturerstomakesparepartsandrepairinformation65toconsumersandindependentrepairshops.Thesemeasuresaimto66thelifespanofproductsandreduceelectronicwaste.Ultimately,thebalancebetweeneconomicinterestsandenvironmentalresponsibilityisdelicate.Whilebusinessesneedtomakeaprofit,theymustalsoconsiderthelong-term67oftheirproductioncycles.Asconsumersbecomemoreeducated,themarketwilllikely68tofavorcompaniesthatprioritizesustainability.Thefuturemaynotbeaboutstoppingprogress,butabout69itinawaythatrespectstheplanet'slimits.Acirculareconomy,whereresourcesarekeptinuseforaslongaspossible,mightbethe70totheproblemofplannedobsolescence.71amoresustainablefuturerequireseffortfrombothproducersandconsumers.52.A.stimulateB.reduceC.stabilizeD.monitor53.A.praiseB.criticismC.attentionD.investment54.A.conservesB.savesC.wastesD.generates55.A.occasionallyB.reluctantlyC.prematurelyD.carefully56.A.FurthermoreB.HoweverC.ThereforeD.Nevertheless57.A.rarelyB.increasinglyC.suddenlyD.barely58.A.ignoringB.seekingC.rejectingD.destroying59.A.repairedB.reusedC.recycledD.replaced60.A.abandoningB.copyingC.adjustingD.hiding61.A.internalB.externalC.specificD.cheap62.A.AlthoughB.BecauseC.UnlessD.Since63.A.specificallyB.vaguelyC.generallyD.ironically64.A.actionB.notesC.photosD.place65.A.expensiveB.availableC.secretD.useless66.A.shortenB.determineC.extendD.calculate67.A.benefitB.profitC.costD.impact68.A.refuseB.evolveC.promiseD.stop69.A.managingB.slowingC.acceleratingD.ending70.A.causeB.problemC.solutionD.barrier71.A.AchievingB.AvoidingC.PredictingD.Delaying第三部分：阅读理解Directions:Thereare4passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.PassageOneTheriseofartificialintelligence(AI)hassparkedadebateaboutitsimpactontheworkforce.Whilesomefearthatautomationwillleadtomassunemployment,othersbelieveitwillcreatenewopportunitiesandtransformindustries.Historically,technologicalrevolutionshaveeliminatedcertainjobsbutcreatedothersthatwerepreviouslyunimaginable.Forexample,theindustrialrevolutionreducedtheneedformanuallaborbutincreaseddemandformachineoperatorsandengineers.However,thecurrentwaveofAIisuniqueinitsabilitytoperformcognitivetasks.Thismeansthatnotonlyblue-collarjobsbutalsowhite-collarprofessions,suchasaccountingandlegalanalysis,couldbeautomated.Arecentstudybyaleadingeconomicinstitutepredictedthatupto30%ofcurrentjobscouldbeautomatedby2030.Thejobsmostatriskarethoseinvolvingroutine,repetitivetasks.Ontheotherhand,AIisalsocreatingnewfields.Specialistsinmachinelearning,datascience,andAIethicsareinhighdemand.Moreover,AIcanaugmenthumancapabilitiesratherthanreplacethem.DoctorscanuseAItodiagnosediseasesmoreaccurately,andteacherscanuseAItoolstopersonalizelearningforstudents.Thekeytoadaptingtothischangeliesineducationandreskilling.Governmentsandeducationalinstitutionsneedtopreparetheworkforceforthejobsofthefuture,emphasizingskillsthatAIcannoteasilyreplicate,suchascreativity,empathy,andcomplexproblem-solving.72.Whatisthemaintopicofthepassage?A.Thehistoryoftechnologicalrevolutions.B.Thecomparisonbetweenblue-collarandwhite-collarjobs.C.ThepotentialeffectsofAIonemployment.D.Thedefinitionofartificialintelligence.73.Accordingtothepassage,whatmakesthecurrentwaveofAIdifferentfromprevioustechnologicalchanges?A.Itcreatesfewernewjobs.B.Itaffectscognitivetasksandwhite-collarprofessions.C.Itisonlyusedinthemanufacturingindustry.D.Itistooexpensivetoimplement.74.Whichjobsaremostlikelytobeautomatedaccordingtothetext?A.Jobsrequiringhighemotionalintelligence.B.Jobsinvolvingcomplexproblem-solving.C.Jobsconsistingofroutineandrepetitivetasks.D.Jobsintheeducationsector.75.WhatdoestheauthorsuggestabouttherelationshipbetweenAIandhumans?A.AIwillcompletelyreplacehumanworkers.B.AIwillonlyworkinthemedicalfield.C.AIcanbeatooltoenhancehumanabilities.D.HumansshouldstopthedevelopmentofAI.76.Whatistheauthor'srecommendationforadaptingtotheAIera?A.Tobanautomationinindustries.B.Tofocusoneducationandreskilling.C.Toreducethenumberofcollegegraduates.D.ToignoretheimpactofAI.PassageTwoRemoteworkhasbecomeapermanentfixtureformanycompaniessincethepandemic.Whileitoffersflexibilityandeliminatescommuting,italsopresentschallengesregardingcompanycultureandemployeeisolation.Teambondingoftenhappensnaturallyinanofficesettingthroughcasualinteractionsbythewatercoolerorduringlunchbreaks.Inaremoteenvironment,thesemomentsarelost.Tocombatthis,companiesareexperimentingwithvirtualteam-buildingactivities.Onlineescaperooms,virtualcoffeebreaks,andcollaborativeonlinegamingsessionsarebecomingcommon.However,theeffectivenessoftheseactivitiesisdebated.Someemployeesfindthemforcedandawkward,addingtotheirdigitalfatigueratherthanalleviatingit.Othersappreciatetheefforttomaintainconnections.Anotherchallengeismaintainingproductivityandclearcommunication.Withoutphysicalpresence,misunderstandingscanariseeasily.Relianceontext-basedcommunicationlikeemailandSlackcanleadtoinformationoverload.Asaresult,manycompaniesareadoptinga"hybrid"model,whereemployeescomeintotheofficeforafewdaysaweekforcollaborativeworkandfocusonindividualtasksathome.Thisapproachattemptstobalancethebenefitsofbothworlds.77.Whatisidentifiedasachallengeofremoteworkinthepassage?A.Increasedcommutingtime.B.Lackofcasualinteractionsandteambonding.C.Higherofficerentcosts.D.Difficultyinfindingskilledemployees.78.Howarecompaniestryingtosolvetheproblemofemployeeisolation?A.Byincreasingsalaries.B.Byorganizingvirtualteam-buildingactivities.C.Byhiringmoremanagers.D.Bystoppingallcommunicationafterworkhours.79.Whatistheemployees'reactiontovirtualteam-buildingactivities?A.Allemployeeslovethem.B.Theyareuniversallydisliked.C.Reactionsaremixed;somefindthemawkward,othershelpful.D.Theyareconsideredillegal.80.Whatisthe"hybrid"modelmentionedinthetext?A.Workingentirelyfromhome.B.Workingentirelyfromtheoffice.C.Amixofworkingfromhomeandtheoffice.D.Hiringfreelancersonly.81.Whydoestheauthormentiontext-basedcommunication?A.Topraiseitsefficiency.B.Tosuggestitshouldbebanned.C.Tohighlightapotentialissuelikeinformationoverload.D.Tosayitistheonlywaytocommunicateremotely.PassageThreeCulturalheritageisnotjustaboutoldbuildingsandmonuments;itincludestraditions,languages,andoralhistories.Intangibleculturalheritageisparticularlyvulnerabletoglobalization.Astheworldbecomesmoreinterconnected,locallanguagesaredyingoutatanalarmingrate.Whenalanguagedisappears,auniquewayofunderstandingtheworldislostforever.Effortstopreserveintangibleheritageofteninvolvedocumentingit.Museumsanduniversitiesrecordfolksongs,stories,andrituals.However,somearguethatpreservationisnotjustaboutkeepingarecordinanarchive.Itisaboutkeepingthepracticealive.Thisrequirestheparticipationofthecommunity,especiallytheyoungergeneration.Ifyoungpeopledonotseevalueintheirtraditionalculture,theywillnotcontinueit.UNESCOhasestablishedlistsofintangibleculturalheritagetoraiseawarenessandencourageprotection.ByrecognizingtraditionssuchasChineseshadowpuppetryorMediterraneancuisine,UNESCOhopestofosterprideinlocalcommunities.Thisrecognitioncanalsoleadtotourism,whichprovideseconomicincentivesforpreservation.However,tourismmustbemanagedcarefullytopreventthecommercializationanddistortionoftheverycultureitaimstoprotect.82.Accordingtothepassage,whathappenswhenalanguagedisappears?A.Onlyafewhistoriansareaffected.B.Theglobaleconomysuffers.C.Auniqueperspectiveontheworldislost.D.UNESCOstopsfunctioning.83.Whatistheauthor'sviewonpreservingintangibleheritage?A.Itshouldonlybedonebymuseums.B.Itrequirescommunityparticipationandkeepingpracticesalive.C.Itisimpossibleduetoglobalization.D.Itshouldrelysolelyongovernmentfunding.84.WhatisthepurposeofUNESCO'slistsofintangibleculturalheritage?A.Toselltheculturetoothercountries.B.Toraiseawarenessandencourageprotection.C.Torankculturesfrombesttoworst.D.Tocreatecompetitionbetweennations.85.Howcantourismhelppreservation?A.Bystoppingglobalization.B.Byprovidingeconomicincentives.C.ByforcingpeopletolearnEnglish.D.Byseparatingtheyoungfromtheold.86.Whatistheriskassociatedwithtourismmentionedinthepassage?A.Itcauseslanguagestodieoutfaster.B.Itcanleadtocommercializationanddistortion.C.Itpreventsdocumentationoftraditions.D.Itmakesyoungpeopleleavetheircommunities.PassageFourBioluminescenceistheproductionandemissionoflightbyalivingorganism.Itisfoundinmanymarinecreatures,suchasjellyfishandcertaintypesoffish.Onland,firefliesarethemostwell-knownexamples.Thisphenomenonoccursthroughachemicalreactionwithintheorganism'scells.Thechemicalluciferinreactswithoxygen,catalyzedbytheenzymeluciferase,toproducelight.Thefunctionsofbioluminescencevary.Indeep-seacreatures,itcanbeusedforcounter-illuminationcamouflage;bymatchingthelightcomingfromthesurface,theyhidetheirsilhouettefrompredatorslookingup.Anglerfishuseabioluminescentluretoattractpreyinthedarkdepths.Firefliesuselightpatternstoattractmates.Recently,scientistshavebeenresearchingapplicationsofbioluminescenceintechnologyandmedicine.Researchersareexploringusingbioluminescentbacteriatodetectpollutioninwater.Inmedicine,bioluminescenceimagingisusedtotracktheprogressionofdiseaseslikecancerinlaboratoryanimals.Byengineeringcellstoglow,scientistscanseeexactlywheretumorsaregrowing.Thisnon-invasivemethodprovidesvaluableinsightswithoutharmingthesubject.87.Whatisbioluminescence?A.Thereflectionofsunlightbyanorganism.B.Theproductionandemissionoflightbyalivingorganism.C.Atypeofchemicalpollution.D.Theheatgeneratedbylivingcells.88.Whichchemicalsareinvolvedintheprocessofbioluminescence?A.Oxygenandcarbondioxide.B.Luciferinandluciferase.C.Waterandsalt.D.Nitrogenandphosphorus.89.Whydosomedeep-seacreaturesusebioluminescence?A.Tocommunicatewithhumans.B.Toattractmatesonly.C.Forcamouflageandattractingprey.D.Towarmuptheirbodies.90.Howisbioluminescenceusedinmedicineaccordingtothetext?A.Tocurecancerinstantly.B.Toperformsurgerywithoutlights.C.Totrackdiseaseprogressioninlabanimals.D.ToreplaceX-rays.91.Whatisanadvantageofbioluminescenceimagingmentionedinthepassage?A.Itisextremelyexpensive.B.Itisharmfultothesubject.C.Itallowsfornon-invasivetracking.D.Itcanonlybeusedonhumans.第四部分：写作SectionA:ApplicationLetter(应用文写作)Directions:SupposeyouareLiMing.Youhaveseenanadvertisementforapart-timeinternshippositionasaSocialMediaAssistantatalocalcompany.WritealettertotheHumanResourcesManagertoapplyfortheposition.Yourlettershouldinclude:1.Thereasonforyourapplicat