全国英语等级考试（PETS）复习试题及答案高分策略(全新版)第五级(2026年上半年阿勒泰)

全国英语等级考试（PETS）复习试题及答案高分策略(全新版)第五级(2026年上半年阿勒泰)SECTIONIListeningComprehensionPartAYouwillhearatalkabouttheecologicalandculturalpreservationintheAltayregion.Listenandcompletethesentencesinquestions1-5withtheEXACTwordsorphrasesyouhearonthetape.WriteyouranswersontheANSWERSHEET.1.TheAltayregionisoftendescribedasanaturalmuseumbecauseitpossessesanextraordinarilydiverse________andculturalheritage.2.Historically,theindigenousnomadictribesinAltayreliedheavilyonanimalhusbandry,whichmeanstheymovedtheirlivestockacrossdifferentterrainsaccordingtoseasonal________.3.Inrecentyears,thelocalgovernmenthasimplementedstrictzoningregulationstoensurethatminingoperationsdonotinterferewiththecore________areas.4.OneoftheprimarychallengesfacedbyenvironmentalistsinAltayisbalancingtherapidexpansionofthetourismindustrywiththe________offragileecosystems.5.Thepreservationofthetraditional"ThroatSinging"andeaglehuntingpracticesisnotonlyamatterofculturalpridebutalsoapotentialsourceofsustainable________incomeforthelocalcommunities.PartBYouwillhearthreeconversationsortalks.Beforelisteningtoeachone,youwillhave5secondstoreadthequestions.Listencarefullyandchoosethecorrectanswerforeachquestion.Questions6-8arebasedonthefollowingconversationbetweenaresearcherandalocalparkranger.6.Whatistheprimarypurposeoftheresearcher'svisittotheAltayMountains?A.Toinvestigatetheeffectsofclimatechangeonglacialretreat.B.TostudythebehavioralpatternsoftheSnowLeopard.C.Toassesstheimpactoftourismonlocalbotanicallife.D.Todocumentthehistoricalmigrationroutesofnomadictribes.7.Accordingtotheranger,whyhasthepopulationoftheAltaiargali(atypeofwildsheep)beendeclining?A.Duetotheincreasingfrequencyofseveresnowstorms.B.Becauseofthedegradationoftheirnaturalpasturelands.C.Duetoillegalpoachingactivitiesbyoutsiders.D.Becauseofthespreadofahighlyinfectiousdisease.8.Whatcollaborativemeasuredotheresearcherandtherangeragreeuponbytheendoftheconversation?A.Deployingmorecameratrapsinthehigh-altituderegions.B.Launchingapublicawarenesscampaigninnearbyvillages.C.Proposinganewwildlifesanctuarytotheregionalgovernment.D.Restrictingtouristaccesstothecriticalbreedinggrounds.Questions9-11arebasedonthefollowingtalkabouttheeconomicdevelopmentofNorthernXinjiang.9.WhatdoesthespeakeridentifyasthemainbottleneckforeconomicdevelopmentinAltay?A.Asevereshortageofskilledlaborinthemanufacturingsector.B.Thelackofadequatetransportationinfrastructure.C.Therestrictivepoliciesonforeigndirectinvestment.D.Theover-relianceontraditionalagriculturalmethods.10.HowhasthelocalgovernmentattemptedtoaddresstheissuementionedinQuestion9?A.Bysubsidizingtherelocationofworkersfromcoastalareas.B.Byupgradingtheregionalairportandexpandingtherailwaynetwork.C.Bypartneringwithprivateenterprisestobuildnewhighways.D.Byapplyingforspecialeconomiczonestatusfromthecentralgovernment.11.Whatisthespeaker'soverallattitudetowardsthefutureeconomicprospectsoftheAltayregion?A.Cautiouslyoptimistic,providedthatecologicallimitsarerespected.B.Highlypessimisticduetotheslowpaceofindustrialization.C.Neutral,astheregion'seconomyisheavilydependentonnationalsubsidies.D.Enthusiastic,predictingarapideconomicboomwithinfiveyears.Questions12-13arebasedonthefollowingconversationbetweentwostudentsdiscussingasociologyproject.12.Whatisthemaintopicoftheirsociologyproject?A.Theassimilationofminoritylanguagesinmodernurbancenters.B.TheimpactofdigitalmediaontraditionalstorytellinginAltay.C.Thechangingroleofwomeninnomadicsocieties.D.Theeffectsofcompulsoryeducationonruralcommunities.13.Whydoesthemalestudentsuggestchangingtheirresearchmethodology?A.Thesamplesizeoftheirsurveyistoosmalltoberepresentative.B.Theyarenotobtainingenoughqualitativedatafromtheirinterviews.C.Thequestionnairestheydistributedwerepoorlydesigned.D.Theyhaveencountereddifficultiesintranslatinglocaldialects.PartCYouwillhearalectureontheeffectsofglobalwarmingonmountainecosystems.Listencarefullyandchoosethecorrectanswerforeachquestion.14.Accordingtotheprofessor,whatistheprimarymisconceptionpeoplehaveaboutglobalwarminginmountainousregions?A.Thatmountainecosystemsaremoreresilienttotemperaturechanges.B.Thattheeffectsofwarmingareuniformacrossallaltitudes.C.Thatglobalwarmingonlyaffectsthebaseofthemountains.D.Thattherateofwarmingdecreasesasaltitudeincreases.15.Whatphenomenondoestheprofessorrefertoasthe"elevation-dependentwarming"effect?A.Thetendencyforhigheraltitudestoexperienceafasterrateoftemperatureincrease.B.Theprocessbywhichsnowcoverreflectssunlight,causingloweraltitudestocool.C.Theimpactofcloudcoverontemperatureregulationatdifferentmountainlevels.D.Thedifferentialwarmingpatternsbetweenthenorthernandsouthernslopesofamountain.16.WhataretheconsequencesoftheearliermeltingofsnowpackintheAltaymountains?A.Itleadstoprolongedperiodsofdroughtduringthewintermonths.B.Itcausesfloodingdownstreamfollowedbywaterscarcityinlatesummer.C.Itresultsinanunprecedentedincreaseinlocalagriculturalyields.D.Itdisruptsthehibernationcyclesofnativebearpopulations.17.Whydoestheprofessormentionthe"feedbackloop"inthecontextofglacialretreat?A.Toexplainhowmeltingiceexposesdarkersurfacesthatabsorbmoreheat,acceleratingwarming.B.Toillustratehowincreasedwatervaporfrommeltingiceleadstoheaviersnowfall.C.Todescribehowlocalwildlifeadaptstothechangingthermalconditions.D.Toshowhowhumaninterventioncanreversethemeltingprocessnaturally.18.WhatrecommendationdoestheprofessorgivetopolicymakersintheAltayregion?A.Toconstructmassivedamstoregulatewaterflow.B.Todiversifyagriculturalpracticestorequirelesswater.C.Todevelopearlywarningsystemsforglaciallakeoutburstfloods.D.Torestrictallhumanactivitiesaboveacertainaltitude.SECTIONIIUseofEnglishReadthefollowingtextandchoosethebestwordforeachblank.MarkyouranswersontheANSWERSHEET.Theconceptof"sustainabletourism"hasgainedconsiderabletractioninrecentdecades,particularlyinecologicallyandculturallyfragileregions.InareaslikeAltay,wherethenaturallandscapeisbothamagnetforvisitorsandavitalresourceforlocalcommunities,findingthe19balancebetweeneconomicdevelopmentandenvironmentalpreservationisparamount.Historically,masstourismhasoften20havocondelicateecosystems,leadingtosoilerosion,waterpollution,andthedisplacementofindigenouswildlife.To21thesedestructivetrends,localauthoritieshavebeguntoimplementamoreholisticapproachtodestinationmanagement.Oneoftheprimarystrategiesinvolves22thecarryingcapacityofspecificsites.Thisreferstothemaximumnumberofvisitorsanareacan23withoutexperiencingirreversibleenvironmentaldegradation.Bystrictly24thenumberofdailypermitsissuedforpopularhikingtrailsandheritagesites,managerscanmitigatethephysical25ontheterrain.However,whilethisapproachaddressesthephysicalfootprint,itdoesnotnecessarily26thesocio-culturalimpacts.Aninfluxoftourists,eveninlimitednumbers,can27profoundchangesinthelocalwayoflife.The28oftraditionalpractices,oncedrivenbynecessityandsurvival,canquicklybecome29tosuittouristexpectations.Thisphenomenon,often30asthe"commodificationofculture,"31theveryauthenticitythatvisitorstravelsofartoexperience.Tocombatthis,sustainabletourismframeworksmust32localcommunitiesinthedecision-makingprocess.Whenindigenouspopulationshavea33stakeinthetourismindustry,theyaremorelikelyto34theirculturalheritageratherthansellitoffforshort-termgains.Furthermore,educationalprogramsaimedattouristscanfosteradeeper35forthelocalcultureandenvironment,transformingpassiveconsumersintoactive36ofconservationefforts.Ultimately,thesuccessofsustainabletourisminregionslikeAltay37notjustonregulatoryframeworks,butonacollectiveshiftin38amongbothhostsandvisitors.19.A.exactB.preciseC.delicateD.perfect20.A.playedB.wreakedC.madeD.brought21.A.haltB.haltC.curbD.stop22.A.assessingB.accessingC.assumingD.asserting23.A.entertainB.sustainC.accommodateD.retain24.A.expandingB.cappingC.increasingD.removing25.A.stressB.distressC.pressureD.tension26.A.addressB.assessC.expressD.suppress27.A.resulttoB.leadinC.bringaboutD.causefor28.A.performanceB.demonstrationC.exhibitionD.display29.A.stagedB.stagedC.actedD.performed30.A.referredB.knownC.calledD.regarded31.A.destroysB.damagesC.ruinsD.undermines32.A.includeB.involveC.engageD.integrate33.A.economicB.financialC.materialD.monetary34.A.protectB.protestC.projectD.promote35.A.respectB.aspectC.inspectD.suspect36.A.participantsB.participantsC.partakersD.partners37.A.reliesB.dependsC.countsD.hinges38.A.mindsetsB.conceptsC.thoughtsD.beliefsSECTIONIIIReadingComprehensionPartAReadthefollowingtextsandanswerthequestionsthataccompanythembychoosingA,B,C,orD.MarkyouranswersontheANSWERSHEET.Text1Thetransitiontorenewableenergyisoftenheraldedasauniversalpanaceafortheworld'sclimatewoes.However,thedeploymentofgreeninfrastructureisnotwithoutitsownsetofecologicalandsocialdilemmas,particularlyinresource-richregions.TheAltayregion,withitsabundantriversystemsandmineraldeposits,hasbecomeafocalpointforthisparadox.Large-scalehydropowerprojects,whilecapableofgeneratingmassiveamountsofcleanelectricity,inherentlyalterthehydrologyandecologyoftheriverbasins.Damstrapsediment,disruptfishmigrationroutes,andalterthetemperatureofthewaterdownstream,whichcanhavecascadingeffectsontheentireaquaticfoodweb.Moreover,theinundationofvasttractsoflandforreservoirsoftenleadstothedisplacementofruralandindigenouscommunities,severingtheirhistoricaltiestotheland.Conversely,theunregulatedextractionofrareearthelementsandlithium,essentialcomponentsforsolarpanelsandelectricvehiclebatteries,posesadifferentbutequallyseverethreat.Open-pitminingoperationsstripthelandofitsvegetationcover,leadingtoacceleratedsoilerosionandthepotentialcontaminationofgroundwaterwithheavymetals.Thefundamentalquestion,therefore,isnotsimplywhetherweshouldtransitiontorenewableenergy,buthowwemanagethelocalizedcostsofthisglobaltransition.EnvironmentalImpactAssessments(EIAs)arelegallymandatedinmostjurisdictions,yettheyoftensufferfromaflaw:theyevaluateprojectsinisolationratherthanconsideringthecumulativeimpactsofmultipledevelopmentswithinasingleecosystem.Toachievegenuinesustainability,policymakersmustadoptalandscape-levelapproachtoplanning,ensuringthatthepursuitoflow-carbonenergydoesnotinadvertentlydestroytheverybiodiversityitaimstoprotectfromclimatechange.39.Whatisthemainargumentpresentedinthefirstparagraph?A.HydropoweristhemosteffectivesolutionfortheAltayregion'senergyneeds.B.Theshifttowardsrenewableenergycreatessignificantlocalenvironmentalandsocialissues.C.Indigenouscommunitiesaretheprimaryopponentsofallminingoperations.D.Large-scaledamsareentirelydetrimentalandshouldbebannedglobally.40.Accordingtothepassage,whatisaprimaryenvironmentalconsequenceofopen-pitminingforrareearthelements?A.Thedisruptionoffishmigrationroutesinlocalrivers.B.Thealterationofwatertemperaturesdownstream.C.Theremovalofsurfacevegetationleadingtosoilerosion.D.Thegenerationofexcessiveamountsofcleanelectricity.41.Whatistheauthor'sprimarycriticismofcurrentEnvironmentalImpactAssessments(EIAs)?A.Theyarenotlegallymandatedinthemajorityofjurisdictions.B.Theytendtoevaluateprojectsindependentlywithoutconsideringtheircombinedeffects.C.Theyaretooheavilyinfluencedbylocalindigenouscommunities.D.Theyfocustoomuchonlandscape-levelplanningratherthanindividualprojects.42.Whichofthefollowingbestdescribestheauthor'soveralltoneinthepassage?A.Cynicalanddismissive.B.Highlyenthusiasticandoptimistic.C.Analyticalandcautiouslycritical.D.Indifferentandpurelydescriptive.Text2Thecognitivescienceofmusichasrevealedfascinatinginsightsintohowthehumanbrainprocessesauditorystimuli.Researchindicatesthattheneuralpathwaysactivatedbymusicarenotconfinedtoasinglehemispherebutaredistributedbilaterally,involvingregionsresponsibleformemory,emotion,andmotorcontrol.Whenindividualslistentoapieceofmusic,theauditorycortexfirstprocessesthebasicacousticelements,suchaspitchandrhythm.However,theemotionalresonanceofthemusicisgeneratedbythelimbicsystem,specificallytheamygdalaandthenucleusaccumbens,whicharealsoactivatedbypleasurablestimulilikefoodandsex.Thisneurologicaloverlapexplainswhycertainmelodiescanevokeprofoundemotionalresponsesortriggervividepisodicmemories.Forinstance,thetraditionalthroatsingingoftheAltayregion,characterizedbyitsfundamentaldroneandharmonicovertones,hasbeenfoundtoinducedeepstatesofrelaxationandfocusedattentioninlisteners.NeuroimagingstudiesshowthattheovertonefrequenciesstimulateuniqueneuraloscillationsthatarerarelyobservedwhenlisteningtostandardWesterntonalmusic.Thissuggeststhatthebrain'sresponsetomusicisnotentirelyuniversalbutisshapedbyculturalfamiliarityandthespecificacousticpropertiesoftheinstrumentsused.Furthermore,thetherapeuticapplicationsofthesefindingsarebecomingincreasinglyevident.MusictherapyisnowbeingintegratedintoclinicalsettingstoassistpatientswithneurodegenerativediseaseslikeAlzheimer's.Bytappingintothepreservedneuralcircuitsassociatedwithmusicalmemory,therapistscantemporarilyrestorecognitivefunctionsandimprovethequalityoflifeforpatientswhohavelostaccesstootherformsofmemory.Theuniversalityofmusicasahumanphenomenon,combinedwithitsdeepneurobiologicalroots,makesitapowerfultoolforbothcognitiveresearchandclinicalintervention.43.Accordingtothepassage,whereinthebrainistheemotionalresponsetomusicprimarilygenerated?A.Theauditorycortex.B.Themotorcontrolregions.C.Thelimbicsystem.D.Thefundamentaldronepathways.44.WhatuniqueeffectdoesthethroatsingingoftheAltayregionhaveonthebrain?A.Itsuppressestheactivityoftheamygdala.B.ItinducesneuraloscillationsrarelyseenwithstandardWesternmusic.C.Itonlyactivatesthelefthemisphereofthebrain.D.Itimpairsshort-termmemoryconsolidation.45.HowismusictherapyutilizedforAlzheimer'spatients,asdescribedinthetext?A.Itregeneratesdamagedneuraltissueintheauditorycortex.B.Itcompletelyreversesthesymptomsofneurodegenerativediseases.C.Itaccessespreservedmusicalmemorycircuitstotemporarilyimprovecognitivefunction.D.ItreliesprimarilyonstandardWesterntonalmusictostimulatepatients.46.Whatistheprimaryfocusofthispassage?A.TheculturalhistoryofmusicinCentralAsia.B.Theneurologicalmechanismsofmusicprocessinganditstherapeuticapplications.C.ThedifferencesbetweenWesternandEasternmusicalinstruments.D.TheclinicaltreatmentofAlzheimer'sdiseaseusingtraditionalmedicine.PartBYouaregoingtoreadamagazinearticleaboutthepreservationofintangibleculturalheritage.Fiveparagraphshavebeenremovedfromthetext.ChoosefromparagraphsA-Gtheonewhichfitseachgap(47-51).Thereisoneextraparagraphyoudonotneedtouse.Theconceptof"intangibleculturalheritage"(ICH)encompassespractices,representations,expressions,knowledge,andskillsthatcommunitiesrecognizeaspartoftheirculturalheritage.IntheAltayregion,thisincludesfolktales,epicpoems,traditionalcraftsmanship,andrituals.Preservingtheseelementsisinherentlymorecomplexthanpreservingphysicalmonuments,forICHlivesinthemindsandpracticesofpeople.[47]Whenthelastpractitionerofaspecificoraltraditionpassesawaywithouttransmittingtheirknowledge,auniqueworldviewvanishes.Thisisnotmerelyalossofhistoricaldata;itisthelossofadistinctwayofinterpretingtherelationshipbetweenhumansandnature.Forinstance,theepicpoemsoftheAltaipeoplecontainintricateecologicalknowledgeaboutlocalfloraandfauna,disguisedasmythologicalnarratives.[48]Themodernformaleducationsystem,whichisheavilyorientedtowardsstandardizedtestingandglobalizedcurricula,oftensidelinestraditionalknowledge.Youngpeopleinnomadiccommunitiesareincreasinglysenttoboardingschoolsinurbancenters,wheretheyareimmersedinadigitalandlinguisticenvironmentvastlydifferentfromthatoftheirancestors.Thiscreatesapsychologicalandculturaldisconnect.[49]Tocounteractthistrend,severalgrassrootsinitiativeshaveemerged.Onesuchprograminvolvespairingelderstorytellerswithschoolchildreninamentorshipsetup.Thechildrenaretaskedwithnotonlylisteningtothestoriesbutalsorecordingthemusingdigitalmedia,therebybridgingthegapbetweenancienttraditionandmoderntechnology.[50]Anothersignificantchallengeisthecommercializationoftheseculturalpractices.Whenatraditionalritualistransformedintoatouristperformance,itsintrinsicspiritualvalueisoftencompromisedtocatertotheaestheticexpectationsofoutsiders.Theritualbecomesacommodity,strippedofitsoriginalcontextandmeaning.[51]Ultimately,thepreservationofintangibleculturalheritagecannotrelysolelyonarchivingormuseumexhibits.Itrequirescreatinganenvironmentwherethesepracticescontinuetoserveameaningfulsocialfunctionforthecommunitiesthatoriginatedthem.Heritagemustbelived,notmerelyobserved.RemovedParagraphs:A.Thiscommodificationcanleadtoasuperficialretentionoftheoutwardformsofaculture,whilethecorebeliefsthatsustaineditforgenerationsarehollowedoutfromwithin,leavingonlyanemptyshelldesignedforentertainmentandprofit.B.Therapidurbanizationoftheregionhasledtosignificantinfrastructuraldevelopment,bringingmodernhealthcareandeducationtopreviouslyisolatedareas,whichhasdramaticallyimprovedthestandardoflivingformanynomadicfamilies.C.Themostinsidiousthreattothisformofheritageisthegenerationaldiscontinuity.Thetransmissionoforaltraditionsandartisanalskillstypicallyreliesonaninformal,master-apprenticerelationshipthatspansdecades.D.Furthermore,theintroductionofforeignculturalelementsthroughmassmediahasdilutedtheuniqueculturallandscape,makingitincreasinglydifficulttoidentifywhatconstitutestheauthenticindigenousheritageoftheregiontoday.E.Theprimaryreasonforthiscomplexityisitsdynamicnature.Unlikeastaticbuildingorartifact,intangibleheritageisconstantlyevolving,shapedbythechangingsocialandenvironmentalcircumstancesofthecommunitythatpracticesit.F.Bytransformingthestudentsfrompassiverecipientsofcultureintoactivedocumentarians,theseprogramsinstillasenseofprideandownership,whichiscrucialforthelong-termvitalityofthetradition.G.Themoderneducationalparadigm,whileprovidingundeniablebenefitsintermsofliteracyandnumeracy,simultaneouslyseverstheintergenerationalchainofknowledgetransfer,threateningthesurvivalofindigenousecologicalwisdom.PartCAnswerquestions52-55basedonthefollowingtext.WriteyouranswersontheANSWERSHEET.Theglobalizationofhighereducationhasledtoamassiveinfluxofinternationalstudentsintouniversitiesworldwide.Whilethistrendiscelebratedforfosteringcross-culturalunderstandingandgeneratingsignificantrevenueforhostinstitutions,itisnotwithoutitspedagogicalchallenges.Oneofthemostdebatedissuesisthephenomenonof"academicsilence"amonginternationalstudents,particularlythosefromnon-Westerneducationalbackgrounds.EducationalresearchershaveoftennotedthatstudentsfromEastAsianandCentralAsiancultures,includingthosefromtheAltayregionofChina,tendtoparticipatelessactivelyinclassroomdiscussionscomparedtotheirWesterncounterparts.Westernpedagogicalmodelsheavilyemphasizevocalparticipation,criticaldebate,andthewillingnesstochallengetheinstructor'sviewpoint.Astudent'sgradeisfrequentlylinkedtothefrequencyandqualityoftheirverbalcontributions.Incontrast,manyAsianeducationaltraditionsvaluehumility,deeplistening,andtheavoidanceofconfrontation.Inthesecultures,speakingoutisoftenreservedforwhenonehasachievedaprofoundunderstandingofthesubjectmatter,andpubliclydisagreeingwithaprofessorcanbeperceivedashighlydisrespectful.Themisalignmentofthesepedagogicalexpectationscanleadtonegativeacademicoutcomes.Westerninstructorsmaymisinterpretsilenceasalackofengagement,languageproficiencyissues,orintellectualinadequacy.Consequently,internationalstudentsmayreceivelowergradesforparticipation,sufferalossofacademicconfidence,andexperiencefeelingsofalienation.Conversely,thepressuretoconformtoWesternnormsofvocalparticipationcancausesignificantpsychologicalstressforinternationalstudents.Theymayfeelthattheyarebeingaskedtoperforminamannerthatisculturallyinauthentic,leadingtoafracturedsenseofidentity.Somestudentsadopta"code-switching"behavior,participatingactivelyinseminarsbutrevertingtotheirtraditionalnormsoflisteningandreflectionoutsidetheclassroom.Tocreateatrulyinclusiveeducationalenvironment,institutionsmustmovebeyondadeficitmodelthatviewsinternationalstudentsaslackingtheskillsnecessaryforWestern-stylediscourse.Instead,educatorsshouldrecognizethevalidityofdiverselearningstyles.Forexample,offeringalternativeavenuesforparticipation,suchaswrittenreflectionsorsmall-groupdiscussions,canprovideamoreequitableplatformforallstudentstodemonstratetheirunderstandingandengagewiththematerialcritically.52.Accordingtothetext,whatarethetwomainreasonswhytheglobalizationofhighereducationiscelebrated?53.HowdoesthetraditionalAsianviewonspeakinginclassdifferfromtheWesternpedagogicalmodel?54.WhatarethepotentialnegativeconsequencesforinternationalstudentswhenWesterninstructorsmisinterprettheirsilence?55.Basedonthetext,whatisthe"deficitmodel"inthecontextofeducation,andwhyshouldinstitutionsmoveawayfromit?SECTIONIVWritingWriteasummaryofthefollowingarticleinabout200words.WriteyoursummaryontheANSWERSHEET.ThediscoveryoftheprehistoricpetroglyphsintheAltayMountainshasprovidedarchaeologistswithanunprecedentedwindowintothelivesofancientnomadicsocieties.Theserockcarvings,datingbackthousandsofyears,depictscenesofhunting,religiousrituals,anddailylife.However,theseinvaluableartifactsarecurrentlyfacinganexistentialthreatfromacombinationofnaturalandhumanfactors.Naturalweathering,exacerbatedbyextremetemperaturefluctuationsandwinderosion,hasslowlydegradedthesurfacesoftherocks.Lichenandmossgrowthhavefurtherobscuredthedelicatecarvings.Butthemostacutethreatsstemfromhumanactivities.Theexpansionofinfrastructure,suchasroadconstructionandminingoperations,hasbroughtheavymachinerydangerouslyclosetothesearchaeologicalsites.Additionally,theunregulatedinfluxoftouristshasresultedinvandalism,withsomevisitorsphysicallytouchingordefacingthepetroglyphs,causingirreversibledamage.Toaddressthiscrisis,amulti-facetedpreservationstrategyisrequired.First,physicalbarriersandprotectivesheltersmustbeinstalledatthemostvulnerablesitestoshieldthemfromtheelementsanddirecthumancontact.Second,acomprehensivedigitalarchivingprojectshouldbeundertaken.Using3Dscanningandphotogrammetry,researcherscancreatehighlyaccuratedigitalreplicasofthepetroglyphs.Thisensuresthatevenifthephysicalcarvingsarelosttotime,thedataispreservedforfuturestudyandpubliceducation.Furthermore,theinvolvementoflocalcommunitiesisindispensable.Bytraininglocalresidentsassitestewardsandguides,theeconomicbenefitsoftourismcanbeharnessedtofundpreservationefforts.Strictregulationsandvisitorcapsmustalsobeenforcedtoensurethatthecarryingcapacityofthesitesisnotexceeded.Onlythroughacombinationoftechnologicalintervention,legalprotection,andcommunityengagementcantheancientlegacyoftheAltaypetroglyphsbesafeguardedforfuturegenerations.听力原文及参考答案听力原文PartAWelcometotoday'slectureontheecologicalandculturalpreservationintheAltayregion.LocatedatthecrossroadsofRussia,China,Mongolia,andKazakhstan,theAltayregionisoftendescribedasanaturalmuseumbecauseitpossessesanextraordinarilydiverseecosystemandculturalheritage.Historically,theindigenousnomadictribesinAltayreliedheavilyonanimalhusbandry,whichmeanstheymovedtheirlivestockacrossdifferentterrainsaccordingtoseasonalvariations.Inrecentyears,thelocalgovernmenthasrecognizedtheneedtoprotectthisuniqueenvironment.Theyhaveimplementedstrictzoningregulationstoensurethatminingoperationsdonotinterferewiththecoreconservationareas.Oneoftheprimarychallengesfac