林芝地区全国英语等级考试（PETS）三级仿真试题及答案解析(2025年下半年)

林芝地区全国英语等级考试（PETS）三级仿真试题及答案解析(2025年下半年)SectionIListeningComprehensionPartAYouwillhear10shortdialogues.Foreachdialogue,thereisonequestion.Afteryouhearadialogueandthequestion,readthefourpossibleanswersanddecidewhichisthebestresponse.1.W:TheweatherforecastsaysitwillrainheavilyinLhasatomorrow.I'mworriedaboutourflighttoNyingchi.M:Don'tworry.Therainisusuallybriefintheafternoon,andourflightisscheduledforthemorning.Q:Whatdoesthemanimply?A)Theflightwillbedelayed.B)Theweatherwillnotaffecttheirflight.C)Theyshouldcanceltheirtrip.D)Therainwilllastallday.2.M:ProfessorZhang,couldIhandinmyessaynextMondayinsteadofthisFriday?IhavetoattendalocalculturalfestivalinLhobavillage.M:Iusuallydon'tallowextensions,butconsideringtheuniqueculturalexperience,IcangiveyouuntilSundaynight.Q:WhatdoesProfessorZhangmean?A)ThestudentmusthandintheessayonFriday.B)Thestudentcannotgetanextension.C)ThestudenthasuntilSundaynighttosubmittheessay.D)Thestudentneedsabetterexcuse.3.W:Haveyoudecidedwhichelectivecoursetotakethissemester?I'mtornbetweenTibetanArtHistoryandAdvancedComputerProgramming.M:I'vealreadysignedupfortheprogrammingcourse.Ithinkitwillbemorebeneficialformyfuturecareerindataanalysis.Q:Whichcoursewillthemantake?A)TibetanArtHistory.B)AdvancedComputerProgramming.C)Bothcourses.D)Neithercourse.4.M:DidyoumanagetogetticketsforthetraditionaldanceperformanceattheLinzhiPeachBlossomFestival?W:Itriedcallingtheboxoffice,butthelineswerebusy.ThenIcheckedonline,andtomysurprise,theyweresoldoutintenminutes.Q:Whatcanwelearnaboutthewoman?A)Sheboughttheticketsattheboxoffice.B)Shegottheticketsonline.C)Shefailedtogetanytickets.D)Shewillgotothefestivalwithoutaticket.5.W:It'salready7:30.Themeetingwiththeecologicalresearchteamwassupposedtostart15minutesago.WhereisDr.Wang?M:Hecalledtosayhiscarbrokedownonthemountainroad,andhe'swaitingforarescuevehicle.Itmighttakeanotherhour.Q:Whenwasthemeetingscheduledtobegin?A)7:15.B)7:30.C)8:00.D)7:45.6.M:I'mthinkingaboutbuyinganewdronetotakeaerialphotosoftheYarlungTsangpoGrandCanyon.Buttheyarequiteexpensive.W:Whydon'tyourentonefortheweekend?There'saphotographyshopdowntownthatoffersreasonablerates.Q:Whatdoesthewomansuggestthemando?A)Buyacheaperdrone.B)Rentadrone.C)Takephotosfromtheground.D)Borrowmoneyfromafriend.7.W:HowwasyourhiketotheBasumTsoLakeyesterday?Iheardthesceneryisbreathtakingthistimeofyear.M:Itwasgreat,butthetrailwasextremelymuddyduetotherecentrain,whichmadetheclimbphysicallyexhausting.Q:Whatwastheman'smaincomplaintaboutthehike?A)Thescenerywasnotgood.B)Theweatherwastoohot.C)Thetrailwastoomuddy.D)Thehikewastooshort.8.M:Iheardyouaremovingtoanewapartmentnearthehospital.Isitclosertoyourworkplace?W:Yes,it'sonlyaten-minutewalk.Therentisabithigherthanmycurrentplace,buttheconvenienceisworthit.Q:Whyisthewomanmoving?A)Tosavemoneyonrent.B)Toliveclosertoherworkplace.C)Tofindalargerapartment.D)Tolivenearthehospital.9.W:Didyouattendthelectureonhigh-altitudeplantadaptationgivenbyProfessorLiyesterday?M:Iwantedto,butIwasstuckinthelaboratoryfinishinganexperiment.Ihearditwasquiteinsightful.Q:Whydidn'tthemanattendthelecture?A)Hewasnotinterestedinthetopic.B)Hewasdoinganexperiment.C)Heforgotaboutthelecture.D)Hewassickinthelaboratory.10.M:I'mplanningtovisitthePotalaPalacenextweek.ShouldIbooktheticketsinadvance?W:Absolutely.Duetothestrictdailyvisitorlimit,ticketsareextremelyhardtogetonthespot,especiallyduringthepeaktouristseason.Q:Whatdoesthewomanadvisethemantodo?A)Visitthepalacenextyear.B)Gothereearlyinthemorning.C)Booktheticketsbeforehand.D)Joinatourgroup.PartBYouwillhear4dialoguesormonologues.Beforelisteningtoeachone,youwillhave5secondstoreadthequestions.Questions11-13arebasedonthefollowingconversationaboutacommunityproject.W:Goodmorning,everyone.Todaywearediscussingtheupcoming"GreenNyingchi"communityproject.OurmaingoalistoreduceplasticwastealongtheSichuan-TibetHighway.Tenzin,couldyoushareyourideas?M:Goodmorning.Ithinkweshouldstartbysettingupcollectionpointsatmajorreststops.Manytravelersthrowawaytheirwaterbottlesandsnackwrappersbecausetherearenobins.W:That'sapracticalidea.Butsettingupbinsaloneisn'tenough.Weneedvolunteerstomanagethewasteseparation,right?M:Exactly.Isuggestwerecruitcollegestudentsfromthelocaluniversity.Theyareenergeticandenvironmentallyconscious.Wecanofferthemacertificateofparticipationasanincentive.W:Great.Andhowaboutapublicawarenesscampaign?Wecoulddistributeflyers,butthatusespaper,whichdefeatsthepurpose.M:Insteadofflyers,wecouldusesocialmedia.Shortvideosshowingtheimpactofplasticpollutiononthelocalecosystemwouldbemuchmoreeffective.Wecanalsobroadcastthemessageonthelocalradiostation.W:Icompletelyagree.Let'sdraftascheduleforthesocialmediacampaignandthevolunteerrecruitment.Weneedtostartassoonaspossible.11.Whatisthemaingoalofthe"GreenNyingchi"project?A)Toplanttreesalongthehighway.B)Toreduceplasticwaste.C)Topromotelocaltourism.D)Tobuildnewreststops.12.HowdoesTenzinsuggestrecruitingvolunteers?A)Byofferingmonetaryrewards.B)Bygivingoutparticipationcertificates.C)Bypayingfortheirtravelexpenses.D)Byprovidingfreeaccommodation.13.Whydotheydecidenottouseflyersforthecampaign?A)Theyaretooexpensive.B)Theyaredifficulttodistribute.C)Theyusepaperandcontradicttheenvironmentalgoal.D)Peopledonotreadflyersanymore.Questions14-17arebasedonalectureabouttheTibetanAntelope.Goodafternoon.Today'slecturefocusesontheconservationstatusoftheTibetanantelope,or"chiru".Historically,thesemagnificentanimalsroamedtheQinghai-TibetPlateauinmillions.However,bythe1990s,theirpopulationhadplummetedtolessthan70,000.Theprimarycausewaspoachingfortheirunderfur,knownasshahtoosh,whichiswovenintoexpensiveshawls.Theinternationaltradeinshahtooshwasbanned,butillegalhuntingpersisted.Inresponse,theChinesegovernmentestablishedtheChangtangNatureReserveandtheHohXilNatureReserve,deployinganti-poachingpatrols.Thesepatrols,oftenworkinginharsh,freezingconditions,havebeencrucialinprotectingtheantelopesduringtheircalvingseason.Furthermore,theconstructionoftheQinghai-TibetRailwayincludedspecialwildlifecorridors,allowingtheantelopestomigratesafelytotheirbreedinggrounds.Thankstothesesustainedefforts,thepopulationhasreboundedtoover300,000today,andthespecieshasbeendowngradedfrom"Endangered"to"NearThreatened".However,challengesremain.Climatechangeisalteringthegrasslands,andhumaninfrastructurecontinuestoencroachontheirhabitat.Thefutureofthechirudependsoncontinuousmonitoringandinternationalcooperation.14.WhatcausedthedramaticdeclineoftheTibetanantelopepopulationinthe1990s?A)Climatechange.B)Habitatdestructionbyinfrastructure.C)Poachingfortheirunderfur.D)Diseaseoutbreaks.15.Whatwasasignificantmeasuretakentoprotecttheantelopes?A)Relocatingthemtozoos.B)Banningallhumanentrytotheplateau.C)Establishingnaturereservesandanti-poachingpatrols.D)Breedingthemincaptivity.16.HowdidtheQinghai-TibetRailwayaccommodatetheantelopes?A)Bybuildingwildlifecorridors.B)Byrunningtrainsonlyatnight.C)Byreducingthespeedlimitpermanently.D)Byfencingtheentirerailway.17.WhatisthecurrentconservationstatusoftheTibetanantelope?A)CriticallyEndangered.B)Endangered.C)NearThreatened.D)LeastConcern.Questions18-21arebasedonthefollowingconversation.W:WelcometotheLhasacampus.HowwasyourjourneyfromNyingchi?M:Itwaslongbutbeautiful.Thenewhighwaymakesitmuchfasterthanbefore.I'mheretoregisterforthewintersemester.Couldyouhelpmefigureoutmyschedule?W:Ofcourse.Allfirst-yearstudentsmusttakethemandatorycourses:FoundationofTibetanCulture,AcademicEnglish,andBasicComputerSkills.That'sthreecourses.Youalsoneedtochoosetwoelectives.M:Whatelectivesareavailable?W:WehaveTraditionalMedicine,HighlandAgriculture,TourismManagement,andEnvironmentalScience.Whichfieldsinterestyoumost?M:I'vealwaysbeenfascinatedbytraditionalhealingmethods,soTraditionalMedicineisamust.Forthesecondelective,I'mhesitatingbetweenTourismManagementandEnvironmentalScience.W:Well,TourismManagementisverypopularbecauseitoffersgreatinternshipopportunitiesatlocaltravelagencies.ButEnvironmentalScienceishighlyrelevantrightnow,focusingonglaciermonitoringandbiodiversity.M:That'satoughchoice.IthinkI'llgowithEnvironmentalScience.Myhometownisnearaglacier,andIwanttounderstandhowit'schanging.W:Excellentchoice.Let'sinputyourselectionintothesystem.18.Wheredidthemantravelfrom?A)Lhasa.B)Nyingchi.C)Xining.D)Chengdu.19.Howmanymandatorycoursesmustfirst-yearstudentstake?A)One.B)Two.C)Three.D)Four.20.WhichelectivedidthemanultimatelychooseinsteadofTourismManagement?A)HighlandAgriculture.B)BasicComputerSkills.C)TraditionalMedicine.D)EnvironmentalScience.21.Whydidthemanchoosehissecondelective?A)Itoffersgreatinternshipopportunities.B)Hishometownisnearaglacier.C)Itisaneasysubject.D)Hisfamilyadvisedhimtotakeit.Questions22-25arebasedonthefollowingmonologue.Hello,everyone.Today,IwanttotalkaboutthetraditionalarchitectureoftheLhobapeopleinsoutheasternTibet.TheLhobapeopletraditionallyliveindenselyforestedmountainousareas,suchastheNyingchiregion.Theirarchitecturalstyleisabrilliantadaptationtoboththeenvironmentandtheirlifestyle.ThemostdistinctivefeatureofLhobahousesistheuseofwoodandbamboo.Theyareusuallybuiltonraisedwoodenstilts.Thegroundlevelisleftopenandisoftenusedtokeeplivestock,suchaspigsandchickens,safefromwildanimalsatnight.Theupperfloorsserveasthelivingquarters.Thewallsaremadeofwovenbamboo,whichallowsforexcellentventilationduringthehumidsummerswhilekeepingtheinteriorrelativelywarm.Theroofsaretypicallypitchedandmadeofeitherthatchorwoodenshingles,designedtowithstandheavymonsoonrains.Insidethehouse,thecentralfeatureisthehearth,whichismorethanjustacookingplace.Thehearthisthespiritualcenterofthehome,anditiswherethefamilygathers,eats,andreceivesguests.Importantly,theLhobapeoplealsocarveintricategeometricpatternsandtotemsoftheirancestorsintothewoodenpillars,reflectingtheiranimisticbeliefs.Unfortunately,asmodernconstructionmaterialslikeconcretebecomemoreaccessible,thesetraditionalwoodenstructuresareslowlydisappearing,makingculturalpreservationapressingconcern.22.WhatareLhobatraditionalhousesprimarilybuiltof?A)Stoneandmud.B)Woodandbamboo.C)Concreteandbricks.D)Animalskins.23.Whatistheprimarypurposeoftheraisedwoodenstilts?A)Topreventflooding.B)Tostoregrain.C)Tokeeplivestocksafe.D)Toprotectagainststrongwinds.24.WhatisthesignificanceofthehearthinaLhobahouse?A)Itissolelyforcookingfood.B)Itisusedtostorevaluables.C)Itisthespiritualcenterofthehome.D)Itactsasasourceoflightatnight.25.WhyaretraditionalLhobahousesdisappearing?A)Becauseoffrequentnaturaldisasters.B)Becausemodernmaterialslikeconcretearemoreaccessible.C)Becausethegovernmentbannedwoodenstructures.D)Becausethebamboosupplyisexhausted.SectionIIUseofEnglishReadthefollowingtext.Choosethebestwordorphraseforeachnumberedblank.TheQinghai-TibetPlateau,oftenreferredtoasthe"RoofoftheWorld,"isavast,elevatedplateauinCentralAsiaandEastAsia.Itisanareaofimmenseecologicalandgeographical26.______.Theplateaucoversanareaofabout2.5millionsquarekilometers,withanaverageelevationofover4,500meters.Duetoits27.______altitudeandcoldclimate,theregionhasahighlyfragileecosystemthatis28.______toglobalclimatechange.Overthepastfewdecades,scientistshave29.______asignificantriseinaveragetemperaturesontheplateau.Thiswarmingtrendisoccurringataratetwiceasfastastheglobalaverage.Oneofthemost30.______consequencesofthiswarmingisthemeltingofthepermafrost.Permafrostisgroundthatremainscompletelyfrozenforatleasttwoyearsstraight.Itactslikeasponge,31.______massiveamountsofcarbonandmethane.Whenitthaws,thesegreenhousegasesare32.______intotheatmosphere,furtheracceleratingglobalwarming.Moreover,theplateauishometothousandsofglaciers,which33.______themajorriversinAsia,suchastheYangtze,Yellow,andMekongrivers.Theseriversprovidewaterfornearlytwobillionpeopledownstream.Therapid34.______oftheseglaciersposesaseverethreattothewater35.______oftheentireregion.Initially,themeltingglaciersmightcauselakestoexpand,increasingtheriskof36.______floods.However,inthelongterm,oncetheglaciers37.______,theriverflowswilldrasticallydecrease,leadingtowatershortages.To38.______thiscriticalsituation,theChinesegovernmenthasestablishednumerousnaturereservesandimplementedstrictenvironmentalprotectionlaws.Localherdsmenhavebeen39.______toreducegrazingincertainsensitiveareastoallowthegrasslandstorecover.Furthermore,internationalcooperationis40.______neededtomonitortheclimateandsharedata,becausetheenvironmentalchangesontheQinghai-TibetPlateauhave41.______impactsworldwide.Protectingthe"ThirdPole"isnotjusta42.______issueforChina,butaglobal43.______.Sustainabledevelopmentinthisregionrequiresabalancebetweeneconomicgrowthandecological44.______.Onlythroughcomprehensiveandlong-termeffortscanweensurethe45.______ofthisuniqueandvitallandscapeforfuturegenerations.26.A)importanceB)differenceC)existenceD)distance27.A)extremeB)lowC)moderateD)changing28.A)immuneB)resistantC)vulnerableD)blind29.A)causedB)observedC)ignoredD)denied30.A)beneficialB)immediateC)negligibleD)profound31.A)releasingB)absorbingC)storingD)producing32.A)pulledB)lockedC)releasedD)driven33.A)feedB)blockC)drainD)cross34.A)expansionB)retreatC)formationD)movement35.A)qualityB)temperatureC)pollutionD)security36.A)droughtB)flashC)seasonalD)underground37.A)growB)meltawayC)stabilizeD)freeze38.A)worsenB)ignoreC)addressD)monitor39.A)forcedB)encouragedC)forbiddenD)allowed40.A)rarelyB)occasionallyC)urgentlyD)temporarily41.A)localB)limitedC)globalD)hidden42.A)regionalB)domesticC)nationalD)international43.A)responsibilityB)burdenC)challengeD)opportunity44.A)educationB)preservationC)destructionD)awareness45.A)exploitationB)survivalC)disappearanceD)stabilitySectionIIIReadingComprehensionPartAReadthefollowingthreetexts.AnswerthequestionsbeloweachtextbychoosingA,B,C,orD.Text1Theconceptof"ecologicalmigration"hasbecomeaprominentstrategyinChina'senvironmentalprotectionefforts,particularlyinecologicallyfragileregionsliketheSanjiangyuanareaontheQinghai-TibetPlateau.Sanjiangyuan,meaningthe"sourceofthreerivers"(theYangtze,Yellow,andLancangrivers),isavitalwatertowerforAsia.However,decadesofovergrazing,climatechange,andhumanactivitieshadseverelydegradedthegrasslands,leadingtosoilerosionandadeclineinbiodiversity.Torestoretheecosystem,thegovernmentinitiatedamassiveecologicalmigrationprogramintheearly2000s.ThousandsofTibetanherdsmenwererelocatedfromtheirtraditionalgrazinglandstonewlybuilttownsandsettlements.Theideawastoremovehumanandlivestockpressurefromthemostsensitiveareas,allowingthenaturalvegetationtorecover.Thistransitionhasnotbeenwithoutitschallenges.Forcenturies,theherdsmenlivedanomadiclife,relyingentirelyontheiryaksandsheep.Movingtoafixedurbanenvironmentmeanttheyhadtoabandontheirtraditionalwayoflife.Manyolderresidentsfounditdifficulttoadapttomodernlife,lackingtheskillsneededforurbanemployment.Theymissedtheopengrasslandsandthespiritualconnectiontheyhadwiththeland.Conversely,theyoungergenerationhaslargelyembracedthechange.Therelocationprovidedthemwithbetteraccesstoeducation,healthcare,andmodernamenities.Schoolsinthenewsettlementsboastbetterfacilitiesandteachingstaff.Furthermore,thegovernmenthasprovidedvocationaltrainingprogramstoteachformerherdsmenskillslikehandicraftmaking,eco-tourismguiding,andbasicconstruction,enablingthemtofindalternativelivelihoods.Fromanecologicalstandpoint,theprogramhasyieldedtangibleresults.SatelliteimageryshowsthatthevegetationcoverageinSanjiangyuanhassignificantlyincreased.Wildlifepopulations,includingthesnowleopardandtheTibetanwildass,haverebounded.Theriversarerunningcleaner.Yet,theculturalcostofthisecologicalsuccessisasubjectofongoingdebate.Balancingthepreservationofafragileecosystemwiththeprotectionofauniqueculturalheritageremainsacomplexdilemmaforpolicymakers.46.WhatwastheprimarycauseofgrasslanddegradationinSanjiangyuan?A)Lackofrainfall.B)Overgrazingandclimatechange.C)Industrialpollution.D)Wildanimaloverpopulation.47.Whatisthemainpurposeoftheecologicalmigrationprogram?A)TopromoteurbanizationinTibet.B)Tobuildmorehydropowerstations.C)Toremovepressurefromsensitiveecologicalareas.D)Toimprovetransportationinfrastructure.48.Howdidolderherdsmengenerallyfeelabouttherelocation?A)Theywereexcitedabouturbanjobs.B)Theyfounditdifficulttoadaptandmissedtheirtraditionallife.C)Theydislikedthenewhouses.D)Theywantedtomovetobiggercities.49.Whatisapositiveoutcomefortheyoungergenerationmentionedinthetext?A)Theyinheritedmoreyaksandsheep.B)Theybecamegovernmentofficials.C)Theyhavebetteraccesstoeducationandhealthcare.D)TheylearnedtospeakEnglish.50.Whatcanbeinferredabouttheecologicalmigrationprogramfromthelastparagraph?A)Itwasacompletefailure.B)Itachievedecologicalgoalsbutposedculturalchallenges.C)Itsolvedalltheproblemsoftheregion.D)Ithadnoeffectonthewildlifepopulation.Text2ThetraditionalTibetanmedicinesystem,knownasSowaRigpa,isoneoftheworld'soldesthealingtraditions,withahistoryspanningover2,500years.Rootedintheprinciplesofbalancebetweenthethreehumors—wind,bile,andphlegm—SowaRigpaoffersaholisticapproachtohealth,emphasizingtheconnectionbetweenthebody,mind,andtheenvironment.UnlikeWesternmedicine,whichoftenisolatesaspecificdiseasetoanorganorpathogen,Tibetanmedicineviewsillnessasanimbalanceoftheentiresystem.Diagnosisinvolvesadetailedexaminationofthepatient'spulse,urine,eyes,andtongue.Thephysicianactsmoreasacounselor,delvingintothepatient'slifestyle,diet,andemotionalstatetoidentifytherootcauseofthedisharmony.AcriticalcomponentofSowaRigpaistheuseofherbalandmineralremedies.Manyofthesemedicinesareformulatedfromrareherbsfoundonlyonthehigh-altitudeplateaus.However,theincreasingdemandfortheseremedies,bothdomesticallyandinternationally,hasraisedconcernsaboutthesustainableharvestingofthesewildplants.Over-harvestingthreatenstheveryexistenceofcertainspecies,whichcoulddisruptthelocalecosystem.Toaddressthisissue,theNyingchiregionhasrecentlyestablishedseveralcultivatedmedicinalplantbases.Bygrowingthesehigh-altitudeherbsincontrolledenvironments,practitionersaimtoreducethepressureonwildpopulationswhileensuringasteadysupplyofrawmaterialsfortraditionalmedicineproduction.Thisinitiativenotonlyprotectsthebiodiversityoftheplateaubutalsoprovidesneweconomicopportunitiesforlocalfarmers.Despitethesemodernadaptations,thecorephilosophyofSowaRigparemainsunchanged.Itservesasareminderthathumanhealthisdeeplyintertwinedwiththehealthofthenaturalworld.Asmodernsocietygrappleswithcomplexchronicdiseases,theancientwisdomofTibetanmedicine,whichadvocatesforabalancedlifestyleandecologicalharmony,isgainingrenewedrelevanceandglobalattention.51.AccordingtoSowaRigpa,whatcausesillness?A)Bacterialinfections.B)Imbalanceoftheentiresystem.C)Geneticmutations.D)Environmentalpollution.52.HowdoesTibetanmedicinedifferfromWesternmedicineindiagnosingdisease?A)Itusesadvancedmedicalequipment.B)Itfocusesonsurgery.C)Itexaminesthepatient'spulse,urine,eyes,andtongue.D)Itreliessolelyonbloodtests.53.WhatisthemainconcernregardingtheincreasingdemandforTibetanmedicine?A)Thehighcostofproduction.B)Thesideeffectsofthemedicine.C)Thesustainableharvestingofwildplants.D)Thelackofqualifiedpractitioners.54.HowistheNyingchiregionaddressingtheproblemofover-harvesting?A)Bybanningtheuseofrareherbs.B)Byimportingherbsfromothercountries.C)Byestablishingcultivatedmedicinalplantbases.D)Byraisingthepriceofthemedicine.55.Whatisthemainideaofthepassage?A)WesternmedicineissuperiortoTibetanmedicine.B)Tibetanmedicineisanancientsystemadaptingtomodernchallengeswhilemaintainingitscorephilosophy.C)TheQinghai-Tibetplateauisfacingsevereecologicaldisasters.D)Localfarmersarebecomingrichbygrowingherbs.Text3TheconstructionoftheSichuan-TibetRailwayiswidelyregardedasoneofthemostchallenginginfrastructureprojectsinhumanhistory.Stretchingover1,800kilometers,therailwaytraversescomplextopographies,includingsteepmountains,deepvalleys,andseveralmajorseismicfaultlines.OneofthemostformidablesectionsistheNyingchitoYa'ansegment,whichconstantlybattleswithgeologicalhazardssuchaslandslides,rockbursts,andhighgeothermaltemperatures.Engineershavehadtodeployunprecedentedtechnologicalinnovationstoensurethesafetyandstabilityoftherailway.Forinstance,whentunnelingthroughmountainswithextremelyhighgeothermalheat,conventionalcoolingmethodswereinsufficient.Theengineeringteamdevelopedanadvancedactivecoolingsystemthatcirculatescoldairandwatertolowerthetemperatureinsidethetunnels,protectingtheworkersandtheconcretestructure.Furthermore,tocrosstheYarlungTsangpoRiver,theyconstructedasuspensionbridgethatcombinesthefeaturesofarailwaybridgeandasuspensionbridge,aworld-firstinbridgeengineering.Beyondtheengineeringmarvels,theSichuan-TibetRailwayisexpectedtohaveaprofoundsocio-economicimpactontheregion.Historically,travelingtoNyingchiandLhasafrominlandChinawasdifficult,relyingprimarilyonwindingmountainroadsthatwerefrequentlyblockedbysnowandmudslidesinwinter.ThenewrailwaywillcutthetraveltimefromChengdutoLhasafrom48hoursbyroadtojust13hours.Thisenhancedconnectivitywilldrasticallylowertransportationcosts,boosttourism,andfacilitatetheexportoflocalagriculturalproductslikeNyingchiteaandmushrooms.Crucially,theprojectisbeingexecutedwithastrictenvironmentalprotectionmandate.Tominimizetheimpactonthepristineecosystem,theroutewasspecificallydesignedtoavoidcorenaturereserves.Inareaswheretherailwaypassesthroughforestedzones,wildlifecorridorshavebeenbuilttoallowanimalstomigratefreely.Additionally,constructionsitesarestrictlymanagedtopreventpollutionofthelocalwatersources,ensuringthatthe"greenartery"oftherailwaydoesnotcompromisetheecologicalintegrityoftheTibetanplateau.56.WhatmakestheSichuan-TibetRailwaydifficulttoconstruct?A)Lackoffundsandtechnology.B)Complextopographiesandgeologicalhazards.C)Extremecoldweatherallyearround.D)Shortageofconstructionworkers.57.Howdidengineerssolvetheproblemofhighgeothermalheatintunnels?A)Byavoidingthosemountains.B)Byconstructingtherailwayaboveground.C)Bydevelopinganadvancedactivecoolingsystem.D)Byworkingonlyduringthewinter.58.Whatisamajorbenefitoftherailwaymentionedinthetext?A)Itwillreplaceallmountainroads.B)Itwillallowmorepeopletomovetothecoast.C)Itwillcuttraveltimeandboostlocaleconomy.D)Itwillreducethepriceoftimber.59.Howdoestheprojectprotectthelocalenvironment?A)Bystoppingallagriculturalexports.B)Bybuildingwildlifecorridorsandavoidingnaturereserves.C)Byforbiddingtouristsfromvisitingthearea.D)Byplantingtreesalongtheentirerailwaytrack.60.Whatcanbethebesttitleforthispassage?A)TheHistoryofTibetanRailwaysB)TheChallengesofHigh-AltitudeConstructionC)TheSichuan-TibetRailway:AnEngineeringandEcologicalTriumphD)TourismDevelopmentinNyingchiPartBReadthefollowingtextcarefullyandthentranslatetheunderlinedsegmentsintoChinese.TheTibetanmacaque,scientificallyknownasMacacathibetana,isalarge,terrestrialprimateendemictothemountainousregionsofeasternTibetandneighboringprovinces.61)Characterizedbytheirrobustbuild,thickbrownish-greyfur,anddistinctivefacialfeatures,thesemonkeysareuniquelyadaptedtosurviveincold,high-altitudeenvironments.Theyprimarilyinhabitbroadleafandconiferousforests,usuallyatelevationsrangingfrom800to3,000meters.62)Socially,Tibetanmacaquesliveinmulti-male,multi-femaletroopsthatcanrangefromadozentooverahundr