全国英语等级考试（PETS）三级练习试题库(2025年下半年西藏西藏)

全国英语等级考试（PETS）三级练习试题库(2025年下半年西藏西藏)第一节听力理解PartADirections:Youwillhear5shortdialogues.Foreachdialogue,thereisonequestionandfourpossibleanswers.Choosethecorrectanswer.1.W:IheardyouareplanningatriptoTibetthissummer.Areyougoingbytrainorbyair?M:IoriginallywantedtoflytoLhasa,buttheairticketsaretooexpensive.SoIdecidedtotaketheQinghai-TibetRailwayinstead.Q:HowwillthemangotoLhasa?A.Byair.B.Bytrain.C.Bycar.D.Bybus.2.M:ThedocumentaryaboutTibetanantelopesisonTVtonight.Wouldyouliketowatchitwithme?W:I'dloveto,butIhavetofinishmybiologyreportbytomorrowmorning.Maybenexttime.Q:Whatwillthewomandotonight?A.Watchthedocumentary.B.Gotothecinema.C.Writeherreport.D.Helpthemanwithbiology.3.W:Excuseme,couldyoutellmewherethePotalaPalaceis?Iseemtobelost.M:Sure.Gostraightdownthisstreet,turnleftatthesecondcrossing,andyou'llseeitrightinfrontofyou.Q:Whatisthewomandoing?A.Askingfordirections.B.Visitingapalace.C.Buyingamap.D.Crossingthestreet.4.M:I'vebeentryingtolearnTibetan,butthepronunciationisincrediblydifficult.W:Don'tgiveup.Thekeyistopracticeeveryday,evenifit'sjustforfifteenminutes.Q:Whatdoesthewomansuggestthemando?A.Giveuplearning.B.Practiceeveryday.C.Takeanewcourse.D.Learnanotherlanguage.5.W:TheweatherforecastsaysitwillsnowheavilyinNagqutomorrow.M:Oh,thatremindsme.Ineedtobuyathickercoatbeforemymeetingthere.It'smuchcolderthanLhasa.Q:WhatcanwelearnaboutNagqu?A.ItiswarmerthanLhasa.B.Itwillbesnowytomorrow.C.Themandoesn'tlikeit.D.Themeetingiscanceled.PartBDirections:Youwillhear2longdialoguesand2monologues.Aftereach,youwillbeaskedseveralquestions.Choosethecorrectanswer.Questions6to7arebasedonthefollowingconversation.M:Welcometoourshow,Dr.Chen.YournewbookabouttheecosystemoftheQinghai-TibetPlateauisfascinating.Canyoutelluswhatinspiredyoutowriteit?W:Thankyou.I'vebeendoingresearchthereforovertenyears.Therapidchangesintheglaciersreallyworriedme.Iwantedtoraisepublicawarenessaboutclimatechangeinhigh-altituderegions.M:Whatisthebiggestchallengeyoufacedduringyourresearch?W:Definitelytheharshenvironment.Thelackofoxygenmakesevensimpletasksexhausting.Butseeingthewildlife,likethesnowleopards,makesitallworthwhile.6.Q:WhatisDr.Chen'sbookmainlyabout?A.Tibetanhistory.B.High-altitudeclimate.C.Theecosystemoftheplateau.D.Snowleopardprotection.7.Q:WhatwasthebiggestchallengeforDr.Chen?A.Theextremecold.B.Thelackofoxygen.C.Communicationwithlocals.D.Findingresearchfunding.Questions8to10arebasedonthefollowingconversation.W:Goodmorning,sir.CanIhelpyou?M:Yes,I'dliketocheckin.IhaveareservationunderthenameJohnSmith.W:Letmecheck.Ah,yes.Astandardroomfortwonights.CouldIseeyourID,please?M:Hereismypassport.Bytheway,doesthehotelprovideanyguidedtourstothelocalmonasteries?W:Yes,wehaveabusleavingat8a.m.everymorning.Youcansignupatthefrontdesk.8.Q:Wheredoestheconversationmostlikelytakeplace?A.Atanairport.B.Atabusstation.C.Atahotel.D.Atamonastery.9.Q:Howlongwillthemanstay?A.Onenight.B.Twonights.C.Threenights.D.Aweek.10.Q:Whatdoesthemanaskaboutattheendoftheconversation?A.Thecheck-outtime.B.Breakfastoptions.C.Guidedtours.D.Roomupgrades.Questions11to13arebasedonthefollowingtalk.Hello,everyone.Today,IwanttotalkaboutthetraditionalTibetanteaculture.Forcenturies,Tibetanshaveconsumedbuttertea,knownas"PoCha".Itismadefromtealeaves,yakbutter,water,andsalt.Whileitmightsoundstrangetoforeigners,itisessentialforsurvivingthecold,high-altitudeclimate.Thebutterprovidesenergy,andtheteahelpspreventaltitudesickness.Drinkingbutterteaisalsoasignofhospitality.WhenyouvisitaTibetanfamily,youwillbeservedbutterteacontinuously,anditispolitetotakeitwithbothhands.Remember,youshouldneverdrinkitempty;alwaysleavealittleinyourcupsothehostcanrefillit.11.Q:Whatisthemainingredientof"PoCha"mentionedinthetalk?A.Sugarandmilk.B.Yakbutterandsalt.C.Honeyandlemon.D.Spicesandherbs.12.Q:WhyisbutterteaessentialforTibetans?A.Ittastesgood.B.Itischeaptomake.C.Ithelpssurvivethecoldclimate.D.Itisareligiousrequirement.13.Q:Whatshouldaguestdowhendrinkingbuttertea?A.Drinkitallatonce.B.Refusethefirstcup.C.Leavealittleinthecup.D.Addsugarthemselves.Questions14to15arebasedonthefollowingtalk.Attention,passengers.WearearrivingatLhasaRailwayStation.Foryoursafetyandcomfort,pleasebeawareofthealtitudechange.Lhasaissituatedatanaltitudeofover3,600meters.Youmayexperiencemildaltitudesickness,suchasheadachesordizziness.Westronglyadviseyoutorestforthefirst24hours,avoidstrenuousexercise,anddrinkplentyofwater.Pleaseremembertocollectallyourbelongingsbeforeleavingthetrain.Thankyoufortravelingwithus,andwehopeyouenjoyyourstayinTibet.14.Q:WhatisthealtitudeofLhasaaccordingtotheannouncement?A.3,000meters.B.3,600meters.C.4,000meters.D.4,600meters.15.Q:Whatadviceisgiventothepassengers?A.Exerciseimmediately.B.Drinklesswater.C.Restforthefirst24hours.D.Leavebelongingsonthetrain.第二节英语知识运用完形填空阅读下面短文，从短文后所给各题的四个选项中选出能填入相应空白处的最佳选项。TheQinghai-TibetPlateauisavitalecologicalsecuritybarrierforChinaandevenfortheworld.Itsuniqueandfragileenvironment16acrucialroleinregulatingtheclimate.However,theimpactofglobalwarmingonthisregionis17thaninmanyotherplaces.Themeltingofglaciershas18toconcernsaboutwaterresourcesformillionsofpeopledownstream.Toprotectthispureland,thegovernmenthas19aseriesofstrictmeasures.Oneofthemostsignificant20istheestablishmentoftheSanjiangyuanNationalPark.Thispark21theheadwatersoftheYangtze,Yellow,andLancangrivers.Itaimsto22theecosystemandprotectendangeredspeciessuchastheTibetanantelopeandthesnowleopard.Localherdsmenhavealsobeen23intotheconservationefforts.Manyofthemhavegivenuptheirtraditionalgrazing24tobecomewildliferangers.Theypatrolthegrasslands,25illegalhuntingandmonitoringwildlifepopulations.Thisshiftnotonlyprotectstheenvironmentbutalso26astableincomeforthelocalcommunities.Ecotourismisanother27ofsustainabledevelopment.Byattractingtouriststo28thenaturalbeautyanduniqueculture,localauthoritiescangeneraterevenuethatis29backintoconservation.However,thenumberoftouristsisstrictly30tominimizethehumanfootprint.Educationplaysa31roleinthelong-termsuccessoftheseinitiatives.Childreninlocalschoolsaretaughtaboutthe32ofenvironmentalprotectionfromayoungage.Theylearnthattheirhomelandisnotjustaplacetolive,buta(n)33heritagethatbelongstothewholeworld.Scientistsandresearchersarealsoconducting34studiesontheplateau.Thedatatheycollecthelpstopredictfutureclimatetrendsandto35betterconservationstrategies.16.A.takesB.playsC.makesD.puts17.A.moreobviousB.lessobviousC.moreslightD.lessserious18.A.resultedB.ledC.causedD.given19.A.impliedB.appliedC.implementedD.supplied20.A.stepB.actionC.movesD.initiative21.A.coversB.containsC.holdsD.includes22.A.storeB.restoreC.ignoreD.destroy23.A.forcedB.integratedC.separatedD.discouraged24.A.rightsB.landsC.habitsD.animals25.A.preventingB.stoppingC.reportingD.encouraging26.A.providesB.createsC.producesD.makes27.A.wayB.pathC.formD.method28.A.enjoyB.destroyC.exploitD.ignore29.A.pouredB.givenC.channeledD.thrown30.A.increasedB.unlimitedC.limitedD.encouraged31.A.minorB.majorC.smallD.less32.A.importanceB.uselessnessC.harmD.damage33.A.localB.nationalC.regionalD.ecological34.A.shallowB.superficialC.ongoingD.temporary35.A.developB.inventC.discoverD.create第三节阅读理解阅读下列短文，从每题所给的四个选项中选出最佳选项。Passage1Thesnowleopard,knownasthe"ghostofthemountains",isoneofthemostelusiveandmajesticcreaturesontheQinghai-TibetPlateau.Withitsthick,smoky-grayfurpatternedwithdarkrosettes,itblendsperfectlyintotherocky,snow-coveredterrain.However,thisbeautifulanimalislistedasvulnerableontheIUCNRedListofThreatenedSpecies.Theprimarythreattosnowleopardsishabitatloss.Ashumanpopulationsexpandandgrazinglandspushhigherintothemountains,thenaturalhabitatofthesnowleopardshrinks.Climatechangeisanothercriticalfactor.Astemperaturesrise,thetreelinemovesupward,furthersqueezingthesnowleopard'shabitat.Furthermore,poachingfortheirbeautifulfurandbones,whichareusedintraditionalmedicine,remainsasevereproblemdespiteinternationalbans.Conservationeffortsareunderwaytosavethesebigcats.OrganizationsliketheSnowLeopardTrustworkwithlocalcommunitiestocreatealternativelivelihoods,reducingtheirdependenceongrazingandhunting.Forinstance,theyhelplocalwomenselltheirhandicraftstointernationalmarkets.Inreturn,thecommunitiessignconservationagreements,committingtoprotectthesnowleopardsandtheirprey.TheChinesegovernmenthasalsoestablishedvastnaturereservesacrosstheplateau,providingasafehavenforthespecies.Technologyisplayinganincreasinglyimportantrole.CameratrapsandGPScollarsareusedtotracksnowleopards,providingscientistswithvaluabledataabouttheirpopulation,movement,andbehavior.Thisinformationiscrucialfordesigningeffectiveconservationstrategies.36.Whyisthesnowleopardcalledthe"ghostofthemountains"?A.Becauseitisdead.B.Becauseitishardtofindandblendsintotheenvironment.C.Becauseitonlycomesoutatnight.D.Becauseitiscompletelywhite.37.Accordingtothepassage,whichofthefollowingisNOTathreattosnowleopards?A.Habitatloss.B.Climatechange.C.Internationalbans.D.Poaching.38.HowdoorganizationsliketheSnowLeopardTrusthelplocalcommunities?A.Bygivingthemmoneydirectly.B.Byhelpingthemsellhandicrafts.C.Byforcingthemtomoveaway.D.Byprovidingthemwithgrazinglands.39.WhatisthemainpurposeofusingcameratrapsandGPScollars?A.Tohuntthesnowleopards.B.Totakebeautifulphotos.C.Totrackandcollectdataonsnowleopards.D.Toattracttourists.40.Whatcanbeinferredaboutthefutureofsnowleopards?A.Theywilldefinitelygoextinct.B.Theirsituationishopeless.C.Conservationeffortsarebeingmadetohelpthemsurvive.D.TheywillsoonberemovedfromtheIUCNRedList.Passage2Inrecentyears,urbanstresshasbecomeamajorpublichealthissue.Thefastpaceofmoderncitylife,combinedwithnoisepollution,trafficcongestion,andhighlivingcosts,canleadtoseverephysicalandmentalhealthproblems.Manyurbandwellersreportfeelingconstantlyexhausted,anxious,anddisconnectedfromnature.Tocombatthis,theconceptof"ecologicaltherapy"hasgainedpopularity.Ecologicaltherapyinvolvesimmersingoneselfinnaturetoimprovewell-being.Studieshaveshownthatspendingjust120minutesaweekingreenspacescansignificantlylowercortisollevels(thestresshormone)andreducebloodpressure.Activitiessuchasforestbathing,hiking,andgardeningarehighlyrecommended.However,forthosewholiveinconcretejungleswithlimitedaccesstoparks,scientistshavefoundasurprisingalternative:"bluespaces".Environmentsfeaturingwater,suchasrivers,lakes,orevenurbanfountains,haveaprofoundcalmingeffectonthehumanmind.Thesoundofflowingwatercanmasktrafficnoise,whilethevisualaspectofwaterinducesastateofrelaxation.Urbanplannersarenowtakingthesefindingsseriously.Manycitiesareredesigningtheirlandscapestoincludemoregreenandblueinfrastructure.Forexample,abandonedindustrialareasarebeingtransformedintoriversideparks,andgreenroofsarebeinginstalledonhigh-risebuildings.Theseinitiativesnotonlyimprovethementalhealthofresidentsbutalsohelpmitigatetheurbanheatislandeffectandimproveairquality.Therelationshipbetweenhumansandtheirenvironmentisprofound.Byreconnectingwithnature,eveninsmallurbanways,wecanbuildmoreresilientandhealthiercommunities.41.Whatisthemaincauseofurbanstressmentionedinthefirstparagraph?A.Theslowpaceoflife.B.Cleanair.C.Noisepollutionandtrafficcongestion.D.Accesstoparks.42.Accordingtostudies,howmuchtimeshouldonespendingreenspacesweeklytoreducestress?A.120minutes.B.120hours.C.12minutes.D.2hourseveryday.43.Whatare"bluespaces"?A.Areaspaintedblue.B.Areaswithwaterfeatures.C.Areaswithclearskies.D.Areaswithhighbuildings.44.Howareurbanplannersrespondingtothesefindings?A.Bybuildingmorefactories.B.Byreducinggreenspaces.C.Bydesigningmoregreenandblueinfrastructure.D.Byignoringthementalhealthofresidents.45.Whatisthemainideaofthepassage?A.Citiesareterribleplacestolive.B.Natureandwaterfeaturescanhelpreduceurbanstress.C.Urbanplannersarenotdoingenough.D.Trafficcongestionistheonlycauseofstress.Passage3Thangka,auniqueformofTibetanBuddhistpainting,isrecognizedasanationalintangibleculturalheritageinChina.TheseintricatepaintingsoncottonorsilkusuallydepictBuddhistdeities,scenesfromreligioustexts,ormandalas.Traditionally,Thangkasarekeptunframedandrolledupwhennotondisplay,makingthemeasyformonksandnomadiccommunitiestocarry.ThecreationofaThangkaisarigorousspiritualandartisticprocess.Thepigmentsusedareentirelynatural,derivedfromminerals,plants,andevenpreciousstoneslikegold,silver,andturquoise.Thesenaturalmaterialsensurethatthecolorsremainvibrantforcenturies.Theprocessbeginswiththepreparationofthecanvas,followedbysketchingthegridandproportionsofthedeity,applyingcolors,andfinally,addingthefacialfeaturesandgolddetails.Itcantakeanartistmonthsorevenyearstocompleteasinglemasterpiece.Historically,Thangkapaintingwaspasseddownfrommastertoapprentice,oftenwithinmonasticsettings.Today,whilethereligioussignificanceremains,Thangkahasalsobecomeanartformappreciatedglobally.However,thiscommercializationbringschallenges.Themarketisfloodedwithcheap,machine-printedcopiesthatlackthespiritualessenceanddurabilityofhand-paintedworks.Thisnotonlydevaluestheartformbutalsoaffectsthelivelihoodofgenuineartisans.Toprotectthisheritage,institutionsliketheTibetUniversityofTibetanMedicineandthelocalartschoolshaveestablishedformalThangkapaintingmajors.Here,studentsnotonlylearnthepaintingtechniquesbutalsostudythereligiousphilosophy,history,andliteraturebehindtheart.ThiscomprehensiveeducationensuresthattheculturalsoulofThangkaispreservedforfuturegenerations,ratherthanjustthesuperficialimage.46.WhatisaThangka?A.AtypeofTibetandance.B.ATibetanBuddhistpainting.C.Areligioustext.D.Atypeofmineral.47.WhyareThangkastraditionallyrolledup?A.Becausetheyarefragile.B.Tomakethemeasytocarry.C.Tohidethemfromenemies.D.Becausetheyareugly.48.WhatmaterialsareusedtomakethepigmentsforThangkas?A.Syntheticchemicals.B.Naturalmineralsandplants.C.Onlygoldandsilver.D.Machine-madecolors.49.WhatisoneofthechallengesfacingThangkaarttoday?A.Lackofstudents.B.Toomanygenuineartisans.C.Cheap,machine-printedcopies.D.Governmentrestrictions.50.HowdomoderninstitutionshelppreserveThangkaart?A.Bysellingthemcheaply.B.Byofferingformal,comprehensiveeducation.C.Bybanningmachinecopies.D.Bykeepingtheminmonasteries.Passage4TherapideconomicdevelopmentoftheQinghai-TibetPlateauhasbroughtundeniablebenefitstolocalcommunities,yetitpresentsacomplexdilemmaregardingenvironmentalsustainability.ResearchersoftenusetheIPATequationtoanalyzeenvironmentalimpact,whichisexpressedasI=P×A×T,whereIistheenvironmentalimpact,Astheplateau'spopulationslightlyincreases,andaffluence(A)risessignificantlyduetoinfrastructureprojectsandtourism,theenvironmentalimpact(I)naturallytendstoincrease.Tomitigatethis,theregionmustfocusonimprovingthetechnologyfactor(T).Thismeanstransitioningtogreenenergy,suchassolarandwindpower,whichtheplateauhasinabundance,andadoptingsustainablegrazingtechniques.ArecentcasestudyinNagqudemonstratesthisprinciple.Byintroducingsolar-poweredheatingsystemstotraditionalnomadictents,thedependenceonburningdriedyakdungforfuelwasreduced.Thisnotonlydecreasedindoorairpollutionbutalsoallowedthedungtobereturnedtothegrassland,actingasanaturalfertilizerandpreventingsoildegradation.Here,animprovementintechnology(T)effectivelyreducedthenegativeenvironmentalimpact(I),evenaslivingstandards(A)improved.However,achievingthisbalancerequiressubstantialinvestmentandeducation.Theplateau'sharshconditionsmakeinfrastructuremaintenancecostly.Moreover,thetraditionalwayoflifemustberespectedandintegratedintomodernsolutions,ratherthanbeingreplacedwholesale.51.WhatdoestheIPATequationmeasure?A.Populationgrowth.B.Environmentalimpact.C.Economicdevelopment.D.Technologicaladvancement.52.IntheequationI=P×A.Agriculture.B.Affluence.C.Altitude.D.Area.53.Accordingtothepassage,howcantheregionreduceitsenvironmentalimpactwhileallowingaffluencetorise?A.Byincreasingpopulation.B.Byfocusingonimprovingtechnology(T).C.Bystoppingalldevelopment.D.Byburningmoreyakdung.54.Whatwasthebenefitofusingsolar-poweredheatinginNagqu?A.Itincreasedindoorairpollution.B.Itreducedsoildegradationbyreturningdungtothegrassland.C.Itmadethetentscheaper.D.Iteliminatedtheneedforyaks.55.Whatistheauthor'sattitudetowardsthedevelopmentoftheplateau?A.Completelysupportive.B.Completelyopposed.C.Cautiousbutoptimisticaboutsustainablesolutions.D.Indifferent.第四节写作Part1短文改错此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾；如有错误（每行只有一个错误），则按下列情况改正：此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。IamwritingtoinviteyoutojoinusinatriptoTibetinthissummer.56.______WeplantosetoffinJuly15thfromBeijingandtaketheQinghai-Tibet57.______RailwaytoLhasa.Thejourneywilltakeabout22hours,whichisa58.______greatopportunitytoenjoythebeautifulsceneryalongtheway.We59.______willvisitthefamousPotalaPalace,thatisamasterpieceofTibetan60.______architecture.Beside,wewillgotoNamtsoLake,oneofthehighest61.______saltwaterlakesintheworld.You'dbettertobringsomewarmclothes62.______becausethetemperaturecandropverylowatnight,despiteofit63.______beingsummer.Pleaseletmeknowifyouareinterestinginjoiningus.64.______Part2书面表达假定你是李华。你的英国笔友Peter来信询问关于西藏旅行的事宜。请你给他写一封回信，内容包括：1.推荐西藏的著名景点（如布达拉宫、大昭寺等）；2.提醒高原反应的注意事项；3.表达期待他到来的心情。注意：1.词数100词左右；2.可以适当增加细节，以使行文连贯。参考答案及解析第一节听力理解1.【答案】B【解析】对话中男士明确提到他决定乘坐青藏铁路去拉萨。故选B。2.【答案】C【解析】女士说她明天早上之前必须完成生物报告，因此她今晚要写报告。故选C。3.【答案】A【解析】女士问路："couldyoutellmewherethePotalaPalaceis?"，说明她在问路。故选A。4.【答案】B【解析】女士建议男士每天都要练习，哪怕只有15分钟。故选B。5.【答案】B【解析】女士说明天那曲会下大雪，男士随后提到那曲比拉萨冷。故选B。6.【答案】C【解析】对话开头男士提到Dr.Chen的新书是关于青藏高原生态系统的。故选C。7.【答案】B【解析】Dr.Chen提到最大的挑战是缺氧环境。故选B。8.【答案】C【解析】男士提到要办理入住，并提到了预订的房间，可以判断对话发生在酒店。故选C。9.【答案】B【解析】女士说预订了两晚的标准间。故选B。10.【答案】C【解析】男士在对话最后询问酒店是否提供去当地寺庙的导游服务。故选C。11.【答案】B【解析】独白中提到酥油茶是由茶叶、牦牛酥油、水和盐制成的。故选B。12.【答案】C【解析】独白中提到酥油茶对于在寒冷的高海拔气候中生存至关重要。故选C。13.【答案】C【解析】独白最后提到，喝茶时应该留一点在杯子里，以便主人续杯。故选C。14.【答案】B【解析】广播中提到拉萨的海拔超过3600米。故选B。15.【答案】C【解析】广播建议乘客在最初的24小时内休息，避免剧烈运动。故选C。第二节英语知识运用16.【答案】B【解析】固定搭配。playarolein意为“在……中起作用”。句意：它独特而脆弱的环境在调节气候方面起着至关重要的作用。故选B。17.【答案】A【解析】根据上下文，全球变暖对该地区的影响比其他地方更明显。moreobvious意为“更明显”。故选A。18.【答案】B【解析】固定搭配。leadto意为“导致”。resultto错误；cause后不接to。句意：冰川的融化导致了对下游数百万人水资源问题的担忧。故选B。19.【答案】C【解析】动词辨析。implement意为“实施，执行”。句意：为了保护这片净土，政府实施了一系列严格的措施。故选C。20.【答案】D【解析】名词辨析。initiative意为“倡议，新举措”，此处指建立三江源国家公园这一重大举措。故选D。21.【答案】A【解析】动词辨析。cover意为“覆盖，包含”。句意：该公园涵盖了长江、黄河和澜沧江的源头。故选A。22.【答案】B【解析】动词辨析。restore意为“恢复”，符合保护生态系统的语境。故选B。23.【答案】B【解析】动词辨析。integrateinto意为“融入，纳入”。句意：当地牧民也被纳入了保护工作。故选B。24.【答案】C【解析】名词辨析。grazinghabits意为“放牧习惯”。句意：许多人放弃了传统的放牧习惯，成为了野生动物巡护员。故选C。25.【答案】A【解析】动词辨析。prevent意为“阻止”。句意：他们巡逻草原，阻止非法狩猎并监测野生动物种群。故选A。26.【答案】A【解析】动词辨析。provide意为“提供”。句意：这种转变不仅保护了环境，还为当地社区提供了稳定的收入。故选A。27.【答案】C【解析】名词辨析。form意为“形式”。生态旅游是可持续发展的另一种形式。故选C。28.【答案】A【解析】动词辨析。enjoy意为“欣赏，享受”。句意：通过吸引游客来欣赏自然美景和独特文化……故选A。29.【答案】C【解析】动词辨析。channelback意为“回流，投入”。句意：产生的收入将回流用于保护工作。故选C。30.【答案】C【解析】动词辨析。limit意为“限制”。句意：然而，为了尽量减少人类足迹，游客数量受到严格限制。故选C。31.【答案】B【解析】形容词辨析。major意为“主要的”。句意：教育在这些倡议的长期成功中起着主要作用