辽宁鞍山市2025年下半年全国英语等级考试（PETS）三级练习试题库

辽宁鞍山市2025年下半年全国英语等级考试（PETS）三级练习试题库第一部分听力理解第一节听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1.Whatdoesthewomanimplyaboutthemarketingreport?A.Itneedstoberevisedbytheweekend.B.Itwassubmittedearlierthanexpected.C.Ithassomestatisticalerrors.D.Ithasn'tbeenstartedyet.2.Whydidthemanchoosenottoattendtheconference?A.Hehadaschedulingconflict.B.Theregistrationfeewastoohigh.C.Hefoundthetopicsirrelevant.D.Hewasfeelingunwell.3.Whatarethespeakersmainlydiscussing?A.Abudgetcutinthedepartment.B.Thetimelineofaconstructionproject.C.Anewenvironmentalpolicy.D.Therelocationoftheheadquarters.4.Whatdoesthewomansuggestthemando?A.Takeadifferentflight.B.CancelhistriptoChicago.C.Booktheticketinadvance.D.Checktheweatherforecast.5.Howdoesthemanfeelaboutthenewsoftware?A.Hefindsitdifficulttonavigate.B.Hethinksitsavesalotoftime.C.Heprefersthepreviousversion.D.Hehasn'tusedityet.第二节听下面2段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C、D四个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6至8题。6.Whatisthemainpurposeofthewoman'svisittothecity?A.Toattendajobinterview.B.Tovisitarelative.C.Tolookforanapartment.D.Toattendanacademicconference.7.Whatdoesthemansayaboutthepublictransportationsystem?A.Itisunreliableduringpeakhours.B.Itdoesnotcoverthesuburbanareas.C.Itisbeingexpandedtotheairport.D.Itisthemostconvenientwaytotravel.8.Whatwillthewomanprobablydonext?A.Takeataxitoherhotel.B.Buyaweeklytransitpass.C.Walktothenearestsubwaystation.D.Askthemanforaride.听第7段材料，回答第9至10题。9.Accordingtothespeaker,whatistheprimarychallengeofverticalfarming?A.Highenergyconsumptionforartificiallighting.B.Lackofsuitablecropvarieties.C.Limitedspaceinurbanenvironments.D.Difficultyinsecuringinvestment.10.Howdoesthespeakerviewthefutureofverticalfarming?A.Itwillcompletelyreplacetraditionalagriculture.B.Itwillremainanichemarketforluxurygoods.C.Ithaspotentialbutrequiresfurthertechnologicaladvancements.D.Itwillfailduetohighoperationalcosts.第二部分英语知识运用第一节完形填空阅读下面短文，从短文后所给各题的四个选项（A、B、C、D）中选出能填入相应空白处的最佳选项。Theconceptofremoteworkhasevolvedfromatemporaryemergencymeasuretoapermanentfixtureinthemoderncorporatelandscape.Whileinitiallymetwithskepticism,thedistributedworkforcemodelhasdemonstratedremarkable__11__inmaintainingproductivity.However,thistransitionisnotwithoutits__12__.Oneofthemostsignificanthurdlesistheerosionofcompanycultureandthespontaneouscollaborationthatoccursinphysicalofficespaces.To__13__thisissue,manyorganizationsareadoptinghybridmodels,allowingemployeestosplittheirtimebetweenhomeandtheoffice.Thisapproachseeksto__12__theautonomyandwork-lifebalanceofremoteworkwiththecollaborativebenefitsofin-personinteractions.Managersarenowtaskedwiththecomplexroleof__15__teamcohesionacrossdigitalplatforms.Theymust__16__intentionalcommunicationstrategies,ensuringthatremoteworkersdonotfeelisolated.Furthermore,therelianceondigitaltoolshasraisedconcernsregardingdatasecurityandemployee__17__.Companiesmust__18__robustcybersecurityprotocolswhilealsorespectingtheprivacyoftheirworkforce.The__19__ofmonitoringsoftwarecanleadtoabreakdownoftrustifnotimplementedtransparently.Therefore,establishingclearguidelinesandmaintainingopendialoguesare__20__forthesustainabledevelopmentofremoteworkpolicies.11.A.resilienceB.contradictionC.ambiguityD.complacency12.A.privilegesB.detrimentsC.advantagesD.milestones13.A.exacerbateB.rectifyC.overlookD.mandate14.A.compromiseB.integrateC.substituteD.conflict15.A.dismantlingB.cultivatingC.restrictingD.isolating16.A.abandonB.implementC.criticizeD.delay17.A.surveillanceB.satisfactionC.turnoverD.engagement18.A.deployB.concealC.ignoreD.dismantle19.A.prohibitionB.deploymentC.limitationD.evaluation20.A.irrelevantB.negligibleC.imperativeD.optional第三部分阅读理解第一节阅读下列短文，从每题所给的四个选项（A、B、C、D）中选出最佳选项。Text1Thepsychologyofconsumerbehaviorhaslongfascinatedeconomistsandmarketersalike.Inthedigitalage,thesheervolumeofchoicesavailabletoconsumershasreachedunprecedentedlevels.Whileclassicaleconomictheorypositsthatmorechoicesleadtogreaterconsumersatisfaction,psychologicalresearchsuggestsaphenomenonknownas"choiceoverload."Whenpresentedwithanoverwhelmingarrayofoptions,individualsoftenexperiencedecisionparalysis,leadingtolowersatisfactionwiththeirfinalselectionorarefusaltochoosealtogether.Thiscounterintuitivefindinghasprofoundimplicationsfore-commerceplatforms.Awebsitethatoffershundredsofvariationsofasingleproductmayinadvertentlybedrivingpotentialcustomersaway.Tomitigatethis,successfulonlineretailersemploysophisticatedalgorithmstocuratepersonalizedrecommendations,effectivelynarrowingthefieldtoamanageablenumberofhighlyrelevantoptions.Bydoingso,theyreducethecognitiveburdenontheconsumer,streamliningthepathtopurchase.Moreover,theconceptof"defaultbias"playsacrucialroleindigitalenvironments.Consumerstendtostickwithpre-selectedoptionstosavementalenergy.Subscriptionservicesleveragethisbyauto-renewingmembershipsunlessactivelycanceled.Whilethisboostsshort-termrevenue,itcanleadtolong-termresentmentifconsumersfeeltrapped.Ethicalmarketinginthemodernerarequiresbalancingbusinessobjectiveswithagenuinerespectforconsumerautonomy,ensuringthatthearchitectureofchoiceempowersratherthanexploitstheuser.21.Accordingtothepassage,whatistheprimaryeffectof"choiceoverload"?A.Itincreasesconsumersatisfactionbyofferingvariety.B.Itcausesconsumerstomakeimpulsivepurchases.C.Itleadstodecisionparalysisandreducedsatisfaction.D.Itencouragesconsumerstoexploremoreoptions.22.Howdosuccessfule-commerceplatformsdealwithchoiceoverload?A.Byofferingthelowestpricesonthemarket.B.Byusingalgorithmstoprovidepersonalizedrecommendations.C.Byincreasingthenumberofproductsavailable.D.Byremovingalldefaultoptionsfromtheirwebsites.23.Theword"curate"inthesecondparagraphmostlikelymeans:A.Tocureanillness.B.Toselectandorganizecarefully.C.Tosellatapremiumprice.D.Tomanufacturenewproducts.24.Whatcanbeinferredabout"defaultbias"?A.Itisdetrimentaltoallbusinessmodels.B.Itreliesonconsumers'tendencytoconservementalenergy.C.Itforcesconsumerstomakeactivechoices.D.Itdecreasesshort-termrevenueforsubscriptionservices.25.Whatistheauthor'sattitudetowardstheuseofdefaultbiasinsubscriptions?A.Completelysupportive.B.Highlycritical.C.Cautiouslyobjective.D.Enthusiasticallyoptimistic.Text2Inthecontextofmachinelearning,theprobabilityofaneventAgiveneventBisoftencalculatedusingBayes'Theorem,expressedasP(Consideranalgorithmdesignedtopredictthelikelihoodofapatientdevelopingararedisease.Whilethealgorithmmaydemonstratehighstatisticalaccuracyinclinicaltrials,thereal-worldimplementationisfraughtwithcomplications.Afalsepositive—predictingadiseasethatisnotpresent—cancauseimmensepsychologicaldistresstothepatientandleadtounnecessary,invasivemedicalprocedures.Conversely,afalsenegative—failingtodetectapresentdisease—candelaycriticaltreatment,potentiallyresultinginfatalconsequences.Thecoreofthedilemmaliesinthethresholdvaluessetbydevelopers.Ifthethresholdforpredictingthediseaseissettoolow,thesystemwillgenerateanexcessivenumberoffalsealarms,overwhelminghealthcareprovidersanderodingtrustinthetechnology.Ifsettoohigh,thealgorithmrisksmissingearly-stagecaseswhereinterventionismosteffective.Therefore,thedeploymentofartificialintelligenceinmedicaldiagnosticscannotrelysolelyonstatisticaloptimization;itrequiresanuancedunderstandingofclinicalworkflows,patientpsychology,andtheethicalweightofmedicalerrors.26.Whatisthemainideaofthepassage?A.Bayes'Theoremisunreliableinmedicalcontexts.B.Machinelearninginhealthcarerequirescarefulethicalconsiderationbeyondmereaccuracy.C.Falsepositivesaremoredangerousthanfalsenegativesinmedicaldiagnostics.D.Artificialintelligencewilleventuallyreplacehumandoctors.27.Accordingtothepassage,whatisaconsequenceofafalsepositive?A.Adelayincriticaltreatment.B.Fatalconsequencesforthepatient.C.Psychologicaldistressandunnecessaryprocedures.D.Adecreaseinthethresholdvalue.28.Whathappensifthethresholdforpredictingadiseaseissettoohigh?A.Therewillbetoomanyfalsealarms.B.Healthcareproviderswillbeoverwhelmed.C.Trustintechnologywillincrease.D.Early-stagecasesmaybemissed.29.WhyisthedeploymentofAIinmedicinecomplex?A.BecausealgorithmslikeBayes'Theoremaremathematicallyflawed.B.Becauseitisdifficulttofindenoughdataforclinicaltrials.C.Becauseitinvolvesbalancingstatisticalaccuracywithclinicalandethicalconsiderations.D.Becausedoctorsrefusetousenewtechnologies.30.Theword"fraught"inthesecondparagraphisclosestinmeaningto:A.Filledwithsomethingbadorunwelcome.B.Easytounderstand.C.Highlyprofitable.D.Technicallyadvanced.Text3Thedeclineofglobalbiodiversityisacceleratingatanalarmingrate,primarilydrivenbyanthropogenicactivities.Whileclimatechangeoftendominatesenvironmentaldiscourse,habitatdestructionremainsthemostimmediatethreattoterrestrialspecies.Theexpansionofagriculturalland,urbanization,andinfrastructuredevelopmentfragmentnaturallandscapes,creatingisolatedpocketsofwildlifethatareunabletosustainviablepopulations.Tocounterthistrend,conservationistshaveproposedtheestablishmentof"wildlifecorridors"—stripsofhabitatthatconnectfragmentedareas,allowinganimalstomigrate,disperse,andinterbreed.Thesecorridorsarenotmerelypassivepathways;theyfunctionasdynamicecosystemsthatsupportgeneticdiversityandresilienceagainstenvironmentalchanges.Forinstance,thereintroductionofapexpredators,suchaswolvesinYellowstoneNationalPark,demonstratedhowconnectinghabitatscantriggeratrophiccascade,revitalizingentireecosystemsfromvegetationtorivermorphology.However,theimplementationofwildlifecorridorsfacessignificantlogisticalandpoliticalchallenges.Landuseisoftensubjecttoconflictingeconomicinterests,andsecuringcontinuousstretchesofterritoryacrossbordersrequiresunprecedentedinternationalcooperation.Furthermore,climatechangeitselfthreatenstorendersomecorridorsobsolete,asshiftingtemperaturesandprecipitationpatternsforcespeciestomigratetoentirelynewregions,notpreviouslyconsideredinconservationplans.Therefore,adynamicandadaptiveapproachtoconservationisrequired,onethatanticipatesfutureenvironmentalshiftsratherthanmerelyreactingtocurrentgeographicconstraints.31.Whatdoestheauthoridentifyasthemostimmediatethreattoland-basedspecies?A.Climatechange.B.Habitatdestruction.C.Overhunting.D.Waterpollution.32.Whatistheprimaryfunctionofawildlifecorridor?A.Toserveasatouristattraction.B.Topreventclimatechange.C.Toconnectfragmentedhabitatsandallowanimalmovement.D.Torestricturbanexpansion.33.TheexampleofwolvesinYellowstoneisusedtoillustrate:A.Thedangerofintroducingpredatorstonewareas.B.Howconnectinghabitatscanpositivelyimpactentireecosystems.C.Thenegativeimpactofhumaninterference.D.Thedifficultyofwildlifemigration.34.Whatisamajorchallengeinimplementingwildlifecorridors?A.Lackofscientificevidencesupportingtheireffectiveness.B.Resistancefromenvironmentalists.C.Conflictingeconomicinterestsinlanduse.D.Therefusalofanimalstousethecorridors.35.Accordingtothepassage,whymightcurrentwildlifecorridorsbecomeineffectiveinthefuture?A.Becausetheyaretoonarrowtosupportlargepopulations.B.Becausetheywillbedestroyedbyurbanization.C.Becauseclimatechangewillforcespeciestomigratetoentirelynewregions.D.Becauseinternationalcooperationwillbreakdown.第二节七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Inaneracharacterizedbyrapidtechnologicaladvancement,theconceptoflifelonglearninghasshiftedfromaphilosophicalidealtoapracticalnecessity.Thehalf-lifeofskillsisshrinking,meaningthattheknowledgeacquiredinaformaluniversitysettingmaybecomeobsoletewithinafewyears.__36__Thisrequiresaproactiveapproachtoskillacquisitionandamindsetthatembracescontinuousgrowth.Oneofthemostsignificantbarrierstolifelonglearningistheperceptionoftimescarcity.Workingprofessionalsoftenstruggletobalancecareerdemands,familyresponsibilities,andpersonalwell-being.__37__Thekeyliesinintegratinglearningintodailyroutinesratherthantreatingitasaseparate,time-consumingendeavor.Micro-learningplatforms,whichdeliverbite-sizededucationalcontent,haveemergedasapowerfultooltoaddressthischallenge.__38__Traditionaleducationoftenfocusesonrotememorizationandstandardizedtesting,whichareill-suitedforthemodern,dynamicworkplace.Criticalthinking,adaptability,andemotionalintelligenceareincreasinglyvaluedbyemployers.Therefore,individualsmustseekoutlearningexperiencesthatfosterthesehigher-ordercognitiveskills,movingbeyondmeretechnicalproficiency.Mentorshipalsoplaysacrucialroleinprofessionaldevelopment.__39__Unlikeformaltrainingprograms,mentorshipoffersahighlyindividualizedapproach,addressingspecificcareerchallengesandprovidinginsightsthataredifficulttoacquirethroughtextbooks.Thereciprocalnatureofmentoring,wherebothmentorandmenteelearnfromeachother,furtherenhancesthevalueoftherelationship.Ultimately,thepursuitoflifelonglearningisanintrinsicjourney.Whileexternalincentivessuchaspromotionsandsalaryincreasesarevalidmotivators,themostsuccessfullearnersaredrivenbyadeep-seatedcuriosityabouttheworld.__40__Embracingthismindsetnotonlyensurescareerresiliencebutalsoenrichespersonallifeinimmeasurableways.A.However,theproblemisnotmerelyalackoftime,butalackofefficientlearningstrategies.B.Therefore,individualsmustvieweducationasacontinuousprocessratherthanafinitedestination.C.Furthermore,thenatureoftheskillsrequiredinthemodernworkplaceisevolving.D.Amentorcanprovideguidance,feedback,andnetworkingopportunitiesthatacceleratecareerprogression.E.Onlinecourseshavemadeeducationaccessibletoanyonewithaninternetconnection.F.Theyvieweverychallengeasanopportunitytolearnandeveryfailureasalessonindisguise.G.Companiesmustimplementmandatorytrainingprogramsforallemployeestoensurecompetitiveness.第四部分写作第一节应用文写作假设你是李华，你的英国朋友Peter计划来中国学习，他对中国的传统节日很感兴趣，写信向你询问相关情况。请给他写一封回信，内容包括：1.表示欢迎；2.推荐一个中国传统节日并说明理由；3.提出见面时的建议或安排。注意：词数约100词。第二节议论文写作在你的班级中，一些同学认为人工智能（AI）在教育领域的广泛应用（如自动批改作业、AI辅导老师等）会削弱学生的独立思考能力；而另一些同学则认为AI是提升学习效率的有力工具。请你就此话题写一篇短文，内容包括：1.简述两种不同的观点；2.阐述你个人的看法及理由；3.提出合理使用AI的建议。注意：词数约160词。答案与解析第一部分听力理解1.【答案】B【解析】M:DidyoufinishthemarketingreportforthemeetingonMonday?W:Ialreadysubmittedittothedepartmentheadyesterday.Wehavethewholeweekendtoreviewitifneeded.解析：女士说她昨天已经提交了报告，说明比预期提交得早。2.【答案】A【解析】W:Ididn'tseeyouattheannualtechconferencethisyear.Didn'tyouregister?M:Iwantedto,butitclashedwithmydaughter'sgraduationceremony.Icouldn'tmissthat.解析：男士说他想参加，但是会议和女儿的毕业典礼时间冲突了，schedulingconflict（时间安排冲突）是正确答案。3.【答案】B【解析】M:Theconstructionofthenewlibraryhasbeendelayedagain.Thecontractorsfoundsomestructuralissueswiththefoundation.W:Thatmeanstheprojectwon'tbecompleteduntilnextspringattheearliest.解析：两人一直在讨论新图书馆建设的延期问题，即建设项目的进度表。4.【答案】C【解析】M:IneedtoflytoChicagoforabusinesstripnextweek,buttheflightsaresoexpensiverightnow.W:Ifyoubookatleasttwoweeksinadvance,youusuallygetamuchbetterrate.Youshouldtrylookingatdifferentairlinestoo.解析：女士建议男士提前至少两周预订以获得更好的价格。5.【答案】B【解析】W:Howareyoufindingthenewprojectmanagementsoftware?Itlookscomplicated.M:Ittookalittlewhiletogetusedto,butnowIcan'timagineworkingwithoutit.Itautomatessomanytedioustasks.解析：男士说虽然一开始花时间适应，但现在无法想象没有它怎么工作，它自动化了许多繁琐任务，说明节省了时间。6.【答案】D【解析】W:I'mintownfortheInternationalLinguisticsSymposium.It'smyfirsttimeinthiscity.M:Welcome!ThesymposiumisbeingheldattheGrandHotel,right?That'sabeautifulvenue.解析：女士明确提到她来这座城市是为了参加国际语言学研讨会。7.【答案】A【解析】M:Youshouldknowthatoursubwaysystemisextensive,butitcanbequiteunreliableduringrushhour.Delaysarecommon.W:That'sgoodtoknow.I'llmakesuretoleaveearlyformypresentations.解析：男士说地铁系统虽然覆盖广，但在高峰期不太可靠，延误很常见。8.【答案】B【解析】M:I'drecommendgettingaweeklytransitpassifyouplanonusingthebusesandtrainsfrequentlyduringyourstay.W:Thatsoundslikeagreatidea.I'llgotothestationandbuyonerightnow.解析：男士建议女士买周票，女士认为是个好主意并表示马上就去买。9.【答案】A【解析】Inverticalfarming,cropsaregrowninstackedlayersindoors,oftenusingartificiallighting.Whileituseslesslandandwater,theprimarychallengeremainsthemassiveenergyconsumptionrequiredtopowertheLEDlightsandclimatecontrolsystems.解析：独白中指出垂直农业面临的主要挑战是人工照明和气候控制系统所需的巨大能源消耗。10.【答案】C【解析】Despiteitscurrentlimitations,verticalfarmingholdspromiseforthefutureofurbanfoodsecurity,providedthattechnologicaladvancementscansignificantlyreduceenergycosts.解析：独白最后提到，尽管目前有局限性，但如果技术进步能显著降低能源成本，垂直农业未来仍有潜力。第二部分英语知识运用11.【答案】A【解析】resilience意为“韧性，恢复力”。此处指分布式工作模式在维持生产力方面表现出了显著的韧性。contradiction矛盾；ambiguity模糊；complacency自满。12.【答案】B【解析】detriments意为“损害，不利之处”。前文说虽然有韧性，但这种转变并非没有其不利之处。privileges特权；advantages优势；milestones里程碑。13.【答案】B【解析】rectify意为“纠正，修复”。为了纠正这个问题（公司文化的流失），许多组织采取了混合办公模式。exacerbate恶化；overlook忽视；mandate强制。14.【答案】B【解析】integrate意为“整合，结合”。这种做法旨在将远程办公的自主性与面对面交流的协作优势结合起来。compromise妥协；substitute替代；conflict冲突。15.【答案】B【解析】cultivating意为“培养”。管理者现在的复杂任务是培养团队凝聚力。dismantling拆除；restricting限制；isolating孤立。16.【答案】B【解析】implement意为“实施”。他们必须实施有意识的沟通策略。abandon放弃；criticize批评；delay延迟。17.【答案】A【解析】surveillance意为“监视”。对数字工具的依赖引发了对数据安全和员工监视的担忧。satisfaction满意；turnover人员流失；engagement参与度。18.【答案】A【解析】deploy意为“部署”。公司必须在尊重员工隐私的同时部署强大的网络安全协议。conceal隐藏；ignore忽视；dismantle拆除。19.【答案】B【解析】deployment意为“部署，使用”。监控软件的部署如果不透明，会导致信任破裂。prohibition禁止；limitation限制；evaluation评估。20.【答案】C【解析】imperative意为“至关重要的，势在必行的”。建立明确的指南和保持公开对话对于远程工作政策的可持续发展是至关重要的。irrelevant不相关的；negligible微不足道的；optional可选的。第三部分阅读理解第一节Text121.【答案】C【解析】细节理解题。根据第一段“individualsoftenexperiencedecisionparalysis,leadingtolowersatisfactionwiththeirfinalselectionorarefusaltochoosealtogether”可知，选择过载会导致决策瘫痪和满意度降低。22.【答案】B【解析】细节理解题。根据第二段“Tomitigatethis,successfulonlineretailersemploysophisticatedalgorithmstocuratepersonalizedrecommendations”可知，成功的电商平台通过使用算法提供个性化推荐来缓解这一问题。23.【答案】B【解析】词义猜测题。根据语境“narrowingthefieldtoamanageablenumberofhighlyrelevantoptions”可知，算法是将商品进行精心挑选和组织，因此curate意为“精心挑选和组织”。24.【答案】B【解析】推理判断题。根据第三段“Consumerstendtostickwithpre-selectedoptionstosavementalenergy.”可知，默认偏见依赖于消费者节省脑力的倾向。25.【答案】C【解析】作者态度题。作者在最后一句指出“Ethicalmarketinginthemodernerarequiresbalancingbusinessobjectiveswithagenuinerespectforconsumerautonomy”，说明作者对默认偏见在订阅中的使用持谨慎客观的态度，既看到了其短期收益，也指出了其长期可能导致的怨恨。Text226.【答案】B【解析】主旨大意题。文章开篇提到机器学习在医疗诊断中的应用引发了重大的伦理争议，随后详细探讨了假阳性、假阴性和阈值设定的伦理困境，最后指出AI的部署不能仅依赖统计优化，还需要对临床和伦理的深入理解。B选项最全面。27.【答案】C【解析】细节理解题。根据第二段“Afalsepositive...cancauseimmensepsychologicaldistresstothepatientandleadtounnecessary,invasivemedicalprocedures.”可知，假阳性会导致心理痛苦和不必要的医疗程序。28.【答案】D【解析】细节理解题。根据第三段“Ifsettoohigh,thealgorithmrisksmissingearly-stagecaseswhereinterventionismosteffective.”可知，阈值设得太高会有漏诊早期病例的风险。29.【答案】C【解析】推理判断题。文章最后一句指出“thedeploymentofartificialintelligenceinmedicaldiagnosticscannotrelysolelyonstatisticaloptimization;itrequiresanuancedunderstandingofclinicalworkflows,patientpsychology,andtheethicalweightofmedicalerrors”，说明复杂性在于需要在统计准确性、临床和伦理考量之间取得平衡。30.【答案】A【解析】词义猜测题。语境提到虽然算法在临床试验中准确率高，但现实世界的实施却充满了并发症和困难，因此fraughtwithcomplications意为“充满（问题等不良事物）”。Text331.【答案】B【解析】细节理解题。根据第一段“Whileclimatechangeoftendominatesenvironmentaldiscourse,habitatdestructionremainsthemostimmediatethreattoterrestrialspecies.”可知，栖息地破坏是最直接的威胁。32.【答案】C【解析】细节理解题。根据第二段“wildlifecorridors—stripsofhabitatthatconnectfragmentedareas,allowinganimalstomigrate,disperse,andinterbreed”可知，野生动物走廊的主要功能是连接破碎的栖息地，允许动物迁移。33.【答案】B【解析】推理判断题。黄石的狼的例子在第二段，该段主要讲野生动物走廊如何支持基因多样性和生态系统韧性，例子后面提到“demonstratedhowconnectinghabitatscantriggeratrophiccascade,revitalizingentireecosystems”，说明是为了阐述连接栖息地如何对整个生态系统