辽宁鞍山市2025年下半年全国英语等级考试（PETS）三级仿真试题及答案解析

辽宁鞍山市2025年下半年全国英语等级考试（PETS）三级仿真试题及答案解析第一节听力理解在本节中，你将听到15个简短对话，每个对话后有一个问题。请从A、B、C三个选项中选出最佳选项。每个对话仅读一遍。1.W:Iheardyouaremovingtoanewapartment.Areyoutiredoftheoldneighborhood?M:Notreally.Themainreasonisthatmycurrentrentisgoingupby20%nextmonth,whichisbeyondmybudget.Q:Whyisthemanmovingtoanewapartment?A.Hedislikeshiscurrentneighborhood.B.Therentofhiscurrentapartmentisincreasing.C.Hewantstoliveclosertohisworkplace.2.M:Theweatherforecastsaysitwillrainheavilythisafternoon.Shouldwecancelthehikingtrip?W:Let'swaituntilnoon.Thesatelliteimagesshowtherainmightbypassourcityandmoveeastward.Q:Whatdoesthewomansuggesttheydo?A.Cancelthehikingtripimmediately.B.Waitandseehowtheweatherchanges.C.Movethehikingtriptotheeastofthecity.3.W:Didyoumanagetofixtheprinter?Ineedtosubmitthisreportbynoon.M:Itriedreplacingtheinkcartridgeandcheckingthepaperjam,butitstillwon'tconnecttomycomputer.Ithinkit'sanetworkissue.Q:Whatistheprobableproblemwiththeprinter?A.Itisoutofink.B.Paperisjammedinside.C.Ithasanetworkconnectionissue.4.M:Iamplanningtotakeafinancecoursethissemester,butthetuitionisquiteexpensive.W:Youshouldapplyforthecompany'semployeesponsorshipprogram.Theycover80%ofthecostifyoupassthefinalexam.Q:Whatdoesthewomanmean?A.Themanshouldnottakethefinancecourse.B.Thecompanycanhelppayformostofthecoursefee.C.Themanwillfailthefinalexamifheapplies.5.W:ThelocallibraryishostingafreeseminarondigitalmarketingthisSaturday.Wouldyouliketogowithme?M:Iwouldloveto,butIpromisedtohelpmysistermoveintoherdorm.Canyougetmethelecturenotes?Q:WhatwillthemandothisSaturday?A.Attendthedigitalmarketingseminar.B.Helphissistermovetoherdorm.C.Gotothelibrarytoborrowsomebooks.6.M:Ihavebeentryingtoreachthecustomerservicehotlineforhalfanhour,butnooneisanswering.W:Theirautomatedsystemisquiteslow.Trypressing'0'immediatelyaftertheautomatedvoicestarts;itusuallyredirectsyoutoahumanagent.Q:Whatdoesthewomanadvisethemantodo?A.Hangupandcalllater.B.Pressaspecificnumbertospeaktoaperson.C.Waitpatientlyontheline.7.W:Thehotelwebookeddoesn'thaveaswimmingpool,andthegymistemporarilyclosedforrenovation.M:That'sdisappointing.Let'scheckiftheyoffercomplimentarybicyclesforguestssowecanridetothebeachinstead.Q:Whatarethespeakersdiscussing?A.Cancelingtheirhotelreservation.B.Complainingtothehotelmanager.C.Findingalternativeactivitiesatthehotel.8.M:ThetraintoBeijingisdelayedby45minutesduetotrackmaintenance.W:Thatmeanswewon'tarriveuntil7:15PM.Weneedtocalltherestaurantandpushbackourdinnerreservationto8:00PM.Q:Whattimewasthetrainoriginallyscheduledtoarrive?A.6:30PM.B.7:15PM.C.8:00PM.9.W:Iamthinkingofadoptingavegetariandiettoimprovemyhealthandreducemycarbonfootprint.M:It'sagreatidea,butyoushouldconsultanutritionistfirsttomakesureyougetenoughproteinandvitamins.Q:Whatistheman'sattitudetowardsthewoman'splan?A.Heiscompletelyagainstit.B.Heissupportivebutcautious.C.Hethinksitisawasteofmoney.10.M:Thecitycouncilhasdecidedtobuildanewsubwaylineconnectingtheairporttothecitycenter.W:Finally!Itwillsignificantlyreducetrafficcongestiononthehighwaysandshortenthecommutetimefortourists.Q:Whatisthewoman'sopinionaboutthenewsubwayline?A.Shethinksitisunnecessary.B.Shebelievesitwillcausemoretrafficjams.C.Shethinksitisapositivedevelopment.11.W:Iamhavingtroubledecidingonatopicformyhistoryresearchpaper.TheRenaissanceortheIndustrialRevolution?M:Whynotcombinethem?YoucouldresearchhowthetechnologicaladvancementsoftheIndustrialRevolutionwereinfluencedbytheculturalawakeningoftheRenaissance.Q:Whattopicdoesthemansuggestthewomanwriteabout?A.TheIndustrialRevolutiononly.B.TheRenaissanceonly.C.Theconnectionbetweenthetwoperiods.12.M:Iboughtthissmartwatchonline,buttheheartratemonitordoesn'tseemtoworkproperly.Itshowsmyheartrateat120whenIamjustsitting.W:Youshouldreturnitforarefundoranexchange.Makesureyoukeeptheoriginalpackagingandthereceipt.Q:Whatisthewoman'sadvicetotheman?A.Tofixthewatchhimself.B.Toreturnthewatchwithitspackaging.C.Tobuyanewbatteryforthewatch.13.W:Thecompany'sannualreportshowsa15%increaseinoverseassales,butdomesticsaleshaveremainedstagnant.M:Weneedtore-evaluateourdomesticmarketingstrategy.Perhapsweshouldlaunchapromotionalcampaigntargetinglocalsmallbusinesses.Q:Whatisthecompany'scurrentsalessituation?A.Bothdomesticandoverseassalesareincreasing.B.Overseassalesaregrowing,butdomesticsalesareflat.C.Domesticsalesareincreasing,butoverseassalesaredeclining.14.M:IamsostressedabouttheupcomingFrenchexam.Icanmemorizethevocabulary,butIstrugglewithforminggrammaticallycorrectsentences.W:Haveyoutriedlanguageexchangeprograms?PracticingwithanativespeakercanhelpyouthinkinFrenchratherthantranslatingwordbyword.Q:Whatistheman'sproblemwithlearningFrench?A.Hecannotrememberthewords.B.Hefindsgrammarandsentencestructuredifficult.C.Hedoesn'thaveaFrenchdictionary.15.W:ThemuseumisofferingfreeentrythisSundaytocelebrateits50thanniversary.TherewillalsobeaspecialexhibitionofancientEgyptianartifacts.M:Thatsoundsfascinating.Let'sgoearlytoavoidthecrowds.Wecangrabbreakfastatthecafenearbybeforeitopens.Q:WhatdothespeakersplantodoonSunday?A.Havebreakfastatthemuseumcafe.B.Gotothemuseumearlytoavoidcrowds.C.Attendtheanniversarycelebrationatnight.第二节听力理解在本节中，你将听到5段对话或独白。每段对话或独白后有2至4个小题。请从A、B、C三个选项中选出最佳选项。每段对话或独白读两遍。听下面一段对话，回答第16至17题。M:WelcometotheGreenEnergySolutionsseminar.MynameisDavid,andIamheretointroduceourlatestsolarpaneltechnologyforresidentialuse.W:HiDavid.Iaminterestedininstallingsolarpanelsonmyroof,butIamworriedaboutthecostandmaintenance.Aretheyreallycost-effective?M:Absolutely.Whiletheinitialinstallationcostisaround$10,000,governmentsubsidiescancoverupto30%ofthat.Plus,ournewpanelshavea25-yearlifespanwithminimalmaintenancerequired—justanannualcleaning.W:Thatsoundsreasonable.Butwhathappensoncloudydays?WillIhavepoweroutages?M:No,youwon't.Thesystemisconnectedtothelocalgrid.Oncloudydays,youdrawpowerfromthegridasusual.Onsunnydays,excesspowergeneratedbyyourpanelsisfedbackintothegrid,earningyoucreditsonyourelectricitybill.16.Whatisthemaintopicoftheconversation?A.Theinstallationofwindturbines.B.Thebenefitsandcostsofresidentialsolarpanels.C.Thegovernmentpolicyongreenenergy.17.Howdoesthesystemhandlecloudydays?A.Itstoresexcesspowerinlargebatteries.B.Itdrawspowerfromthelocalelectricitygrid.C.Itshutsdowntosaveenergy.听下面一段独白，回答第18至20题。W:Goodmorning,everyone.Thankyouforjoiningtoday'sorientationfortheupcomingvolunteerprogramattheCityAnimalShelter.Asavolunteer,yourprimarydutieswillincludefeedingtheanimals,cleaningtheirenclosures,andassistingpotentialadoptersinchoosingtheirpets.Werequireaminimumcommitmentoffourhoursperweekforatleastthreemonths.Thisconsistencyisvitalfortheanimals'well-being,astheyneedfamiliarfacestofeelsecure.Beforeyoustart,youmustattendamandatorysafetytrainingsessionnextSaturdayfrom9AMto11AM.Duringthissession,youwilllearnhowtohandleaggressiveanimalsandproperlyuseprotectivegear.Pleasenotethatvolunteersmustbeatleast18yearsold.Ifyouareunder18,youcanstillparticipatebutmustbeaccompaniedbyaparentorguardian.Forthoseinterestedinfosteringanimalsathome,applicationswillbeavailableattheendoftoday'ssession.Thankyou,andwelookforwardtoworkingwithyou.18.Whatistheminimumweeklytimerequirementforvolunteers?A.Twohours.B.Fourhours.C.Sixhours.19.Whatwillvolunteerslearnduringthesafetytrainingsession?A.Howtoperformbasicmedicalcheckups.B.Howtohandleaggressiveanimalsanduseprotectivegear.C.Howtomatchpotentialadopterswithpets.20.Whatistheruleforvolunteerswhoareunder18yearsold?A.Theycannotvolunteerattheshelter.B.Theymustbeaccompaniedbyaparentorguardian.C.Theyareonlyallowedtofosteranimalsathome.听下面一段对话，回答第21至22题。M:ProfessorSmith,Iamworkingonmythesisabouturbanplanninginthe21stcentury,andIamabitstuckontheconceptof"smartcities."W:That'safascinatingtopic,Mark.Asmartcityusesdigitaltechnologyanddataanalyticstoimprovethequalityoflifeforitscitizensandoptimizecityfunctionsliketrafficcontrolandwastemanagement.M:Iunderstandthetheory,butcanyougivemeanexampleofareal-worldapplication?W:Certainly.LookatBarcelona.Theyimplementedasmartstreetlightingsystemthatusesmotionsensors.Thelightsdimwhennooneisaroundandbrightenwhenapedestrianapproaches.Thissimpletechnologyreducedtheirenergyconsumptionby30%.M:That'sagreatexample.Iwillincludethatinmychapteronsustainableenergy.Thankyou,Professor.21.WhatisMark'sthesisabout?A.19th-centuryarchitecture.B.21st-centuryurbanplanning.C.Digitalmarketingstrategies.22.HowdidBarcelonabenefitfromtheirsmartstreetlightingsystem?A.Itreducedenergyconsumptionby30%.B.Itimprovedtrafficcontrolatintersections.C.Itloweredthecrimerateinthecitycenter.听下面一段独白，回答第23至25题。M:Today,Iwanttodiscussthepsychologicalconceptof"cognitivedissonance."Thisoccurswhenapersonholdstwoormorecontradictorybeliefs,ideas,orvalues,orwhentheirbehaviorcontradictstheirbeliefs.Forexample,youknowthatsmokingisharmfultoyourhealth,butyoucontinuetosmokeanyway.Thiscontradictioncreatesafeelingofmentaldiscomfort.Torelievethisdiscomfort,individualstypicallyemployoneofthreestrategies.First,theymightchangetheirbehaviortoalignwiththeirbeliefs—inthiscase,quittingsmoking.Second,theymightchangetheirbelief,convincingthemselvesthatthehealthrisksofsmokingareexaggerated.Third,theymightaddanewbelieftojustifythebehavior,suchas"Smokinghelpsmerelax,andstressismoredangerousthansmoking."Understandingcognitivedissonanceiscrucialformarketersandpsychologists.Marketersoftenuseittoencouragehealthybehaviorsorpersuadeconsumerstobuyproductsthatalignwiththeirself-image.Psychologistsuseittohelppatientsovercomedestructivehabitsbygraduallyresolvingtheseinternalconflicts.Inyoureverydaylife,beingawareofcognitivedissonancecanhelpyoumakemorerationaldecisionsratherthanjustmakingexcusesforbadhabits.23.Whatiscognitivedissonance?A.Apsychologicalconditioncausedbybraininjury.B.Thementaldiscomfortfromholdingcontradictorybeliefsandbehaviors.C.Amarketingstrategytoincreaseproductsales.24.WhichofthefollowingisNOTastrategymentionedtorelievecognitivedissonance?A.Changingthebehavior.B.Changingthebelief.C.Ignoringtheproblemcompletely.25.Howdopsychologistsusetheconceptofcognitivedissonance?A.Tohelppatientsovercomedestructivehabits.B.Todesignbetteradvertisingcampaigns.C.Toevaluateapatient'sphysicalhealth.第三节英语知识运用阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。Thedevelopmentofartificialintelligencehasprofoundlytransformedmoderneducation.Traditionally,educationreliedheavilyonaone-size-fits-allapproach,whereteachersdeliveredthesamecontenttoanentireclassroom.However,thismethodoftenfailedto26thediverselearningpacesandstylesofindividualstudents.AItechnologyhas27anewparadigm,offeringpersonalizedlearningexperiencesthatwere28unimaginable.AI-driveneducationalplatformscananalyzevastamountsofdataonastudent'sperformance.Bytrackinghowlongastudenttakestoansweraquestion,thetypesofmistakestheymake,andtheir29areasofdifficulty,theAIcancreateacustomizedlearningpath.Thismeansthatstudentswhostrugglewitha30conceptcanreceiveadditionalpracticeandalternativeexplanations,31thosewhomasterthematerialquicklycanmoveontomore32topics.Consequently,studentsareneitherboredby33easymaterialnoroverwhelmedbyoverlydifficulttasks.Moreover,AItoolsprovide34supporttoteachers.Gradingassignments,especiallyinlargeclasses,isatime-consumingtaskthat35educatorsofvaluabletime.AIsystemscannowautomaticallygrademultiple-choicetestsandeven36shortwrittenresponseswithasurprisingdegreeofaccuracy.Thisautomationallowsteachersto37theirattentiononmorecriticalaspectsofteaching,suchasmentoring,facilitatingdiscussions,andprovidingemotionalsupport.Despitethesebenefits,theintegrationofAIineducationisnotwithoutits38.Onemajorconcernisdata39.AIsystemscollectsensitiveinformationaboutstudents,andifthisdataisnotproperly40,itcouldbeexposedtocyber-attacks.Furthermore,thereisariskthatAImight41thehumanelementineducation.Whilealgorithmscandelivercontent,theycannot42theempathy,encouragement,andinspirationthatahumanteacherprovides.Studentsneed43interactionstodevelopsocialskillsandemotionalintelligence,whicharejustascrucialasacademicknowledge.Inconclusion,AIhasthepotentialtorevolutionizeeducationbymakingitmore44andefficient.However,itshouldbeviewedasatoolto45teachers,notreplacethementirely.Thegoalshouldbetostrikeabalancebetweenleveragingtechnologyandpreservingthehumanconnectionthatliesattheheartofmeaningfuleducation.26.A.accommodateB.ignoreC.evaluateD.standardize27.A.delayedB.introducedC.restrictedD.destroyed28.A.previouslyB.currentlyC.hardlyD.constantly29.A.specificB.generalC.broadD.similar30.A.simpleB.complexC.familiarD.minor31.A.althoughB.becauseC.whileD.unless32.A.basicB.advancedC.repetitiveD.irrelevant33.A.excessivelyB.moderatelyC.slightlyD.barely34.A.invaluableB.negligibleC.harmfulD.identical35.A.remindsB.assuresC.deprivesD.warns36.A.ignoreB.assessC.dictateD.copy37.A.focusB.distractC.reduceD.shift38.A.advantagesB.challengesC.supportersD.guarantees39.A.privacyB.accuracyC.volumeD.collection40.A.sharedB.securedC.deletedD.collected41.A.enhanceB.replaceC.appreciateD.simulate42.A.replaceB.calculateC.measureD.provide43.A.virtualB.humanC.mechanicalD.artificial44.A.uniformB.personalizedC.expensiveD.traditional45.A.monitorB.assistC.judgeD.challenge第四节阅读理解阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项。Passage1Theconceptofthe"gigeconomy"hasgainedsignificanttractionoverthepastdecade,fundamentallyalteringthetraditionalemployer-employeerelationship.Inagigeconomy,temporary,flexiblejobsarecommonplace,andcompaniestendtohireindependentcontractorsandfreelancersinsteadoffull-timeemployees.Whilethisshiftoffersundeniablebenefitsintermsofflexibilityandautonomyforworkers,italsoraisesseriousconcernsregardingjobsecurityandsocialsafetynets.Forworkers,theprimaryappealofgigworkliesintheabilitytobetheirownboss.Theycanchoosewhen,where,andhowmuchtheywanttowork.Thisflexibilityisparticularlyattractivetostudents,caregivers,andthoseseekingsupplementalincome.Furthermore,theriseofdigitalplatformshasmadeiteasierthanevertofindgigopportunities,whetheritisdrivingforaride-sharingservice,deliveringgroceries,orcompletingfreelancewritingassignmentsonline.However,thedarksideofthisflexibilityisthelackofstability.Gigworkersaretypicallynotentitledtobenefitssuchashealthinsurance,paidsickleave,orretirementplans.Theybearthefullburdenofeconomicdownturns,astheirincomeisentirelydependentontheavailabilityofgigs.Duringtherecentglobalhealthcrisis,manygigworkersfoundthemselveswithoutasafetynetwhendemandfortheirservicesplummetedovernight.Moreover,theclassificationofgigworkersas"independentcontractors"ratherthan"employees"isasubjectofongoinglegalbattles.Companiesarguethatthisclassificationallowsthemtokeepoperationalcostslowandoffercheaperservicestoconsumers.Critics,however,contendthatitisaloopholeexploitedbycompaniestoevadetheirresponsibilitiestowardstheirworkforce.Ifgigworkerswereclassifiedasemployees,companieswouldbeforcedtoprovidethemwithminimumwageguaranteesandbenefits,significantlyalteringtheeconomicmodeloftheseplatforms.Inconclusion,whilethegigeconomyrepresentsadynamicshiftinthelabormarket,itrequiresareevaluationofoursocialsafetysystems.Policymakersarenowtaskedwithfindingamiddlegroundthatpreservestheflexibilityofgigworkwhileensuringthattheseworkersarenotleftvulnerableintimesofcrisis.46.Accordingtothepassage,whatisthemaincharacteristicofagigeconomy?A.Companiesprimarilyhirefull-timeemployees.B.Jobsaretemporaryandflexible.C.Workersareguaranteedhealthinsurance.D.Thegovernmentprovidesretirementplansforworkers.47.Whyisgigworkattractivetocertaingroupsofpeople?A.Itprovidesastableandhighincome.B.Itofferscomprehensivesocialbenefits.C.Itallowsworkerstohavecontrolovertheirschedules.D.Itguaranteeslong-termcareeradvancement.48.Whathappenedtomanygigworkersduringtheglobalhealthcrisis?A.Theirincomeincreasedsignificantlyduetohighdemand.B.Theyreceivedextrafinancialsupportfromtheircompanies.C.Theylosttheirsourceofincomewhendemanddropped.D.Theywerepromotedtofull-timeemployeepositions.49.Whatisthelegaldisputeregardinggigworkersmentionedinthepassage?A.Whethertheyshouldbeallowedtoformunions.B.Whethertheyshouldbeclassifiedasemployeesorindependentcontractors.C.Whethertheyshouldpayhigherincometaxes.D.Whethertheyshouldreceiveminimumwageexclusively.50.Whatistheauthor'sattitudetowardsthegigeconomy?A.Completelysupportive.B.Entirelynegative.C.Objective,acknowledgingbothprosandcons.D.Indifferenttotheissue.Passage2Sleepisoftenviewedasapassivestate,amerebreakfromourwakinglives.However,neuroscientistshavediscoveredthatsleepisahighlyactiveandcomplexprocesscrucialforphysicalandcognitivehealth.Oneofthemostfascinatingaspectsofsleepisitsroleinmemoryconsolidation,aprocesswherethebraintransfersshort-termmemoriesintolong-termstorage.Duringtheday,ourbrainsarebombardedwithsensoryinformation.Thehippocampus,aregionofthebrainassociatedwithshort-termmemory,actsasatemporaryholdingareaforthisinformation.However,itscapacityislimited.Ifwedonotsleep,thehippocampusbecomesoverloaded,andnewinformationcannotbeproperlyencoded,leadingtoforgetfulness.Itisduringsleep,specificallyduringthedeepstagesofnon-rapideyemovement(NREM)sleep,thatthebrainreplaystheday'sexperiences,transferringthemtotheneocortex,wheretheyarestoredaslong-termmemories.Researchhasshownthatthememoryconsolidationprocessfollowsaspecificmathematicalpattern,oftendescribedbytheexponentialdecayformulaM(t)=,whereM(t)Furthermore,sleepdeprivationhasbeenlinkedtoadeclineincognitivefunctions,particularlyintheprefrontalcortex,whichgovernsdecision-makingandemotionalregulation.Studiesindicatethatindividualswhosleeplessthansixhoursanightexhibitimpairedjudgmentandareducedabilitytoconcentrate,akintobeinglegallyintoxicated.Therefore,pullingan"all-nighter"tostudyforanexamiscounterproductive;thebrainsimplydoesnothavetheopportunitytoconsolidatethenewlyacquiredknowledge.Inlightofthesefindings,prioritizingsleepisnotasignoflazinessbutabiologicalnecessity.Schoolsandworkplacesthatadjusttheirschedulestoalignwithnaturalcircadianrhythmsreporthigherproductivityandbetteroverallwell-beingamongtheirstudentsandemployees.51.Whatisthemainideaofthepassage?A.Sleepisapassivestatethathelpsthebodyrest.B.Sleepplaysacrucialroleinmemoryconsolidationandcognitivefunction.C.Thehippocampusistheonlypartofthebrainresponsibleformemory.D.Pullinganall-nighteristhebestwaytostudyforexams.52.Accordingtothepassage,whathappenstothehippocampusifwedonotgetenoughsleep?A.Ittransfersmemoriestotheneocortexfaster.B.Itexpandsitscapacitytoholdmoreinformation.C.Itbecomesoverloadedandcannotencodenewinformationproperly.D.Itstopsfunctioningcompletely.53.IntheformulaM(t)A.Theamountofinformationretainedovertimewithoutsleep.B.Theinitialamountofinformationlearned.C.Thedecayconstantofmemory.D.Thetotalcapacityofthehippocampus.54.Howdoestheauthordescribethecognitiveeffectsofsleepinglessthansixhoursanight?A.Similartobeingdrunk.B.Highlyproductiveandfocused.C.Emotionallystableandrational.D.Unnoticeableindailytasks.55.Whatcanbeinferredfromthelastparagraph?A.Adjustingschedulestomatchcircadianrhythmsisbeneficial.B.Sleepshouldbeavoidedtoincreaseproductivity.C.Workplacesshouldrequireemployeestoworknightshifts.D.Schoolsshouldstartearliertomaximizelearningtime.Passage3Biodiversity,thevarietyoflifeonEarth,iscurrentlydecliningatanunprecedentedrate.Whiletheextinctionofspeciesisanaturalprocess,humanactivitieshaveacceleratedthisratetolevelscomparabletomajormassextinctioneventsinEarth'shistory.Theprimaryculpritsarehabitatdestruction,climatechange,pollution,andoverexploitationofresources.Thelossofbiodiversityisnotmerelyanenvironmentalissue;itposesadirectthreattohumansurvivalandeconomicstability.Ecosystemsrelyonadelicatebalanceofspeciestofunctionproperly.Whenaspeciesisremoved,itcantriggeracascadeofeffectsknownasatrophiccascade.Forexample,theremovalofatoppredator,suchasawolf,canleadtoanoverpopulationofherbivores,likedeer.Theincreaseddeerpopulationthenovergrazesvegetation,whichinturnaffectsbirdpopulationsthatrelyonthevegetationfornesting.Thischainreactionultimatelydestabilizestheentireecosystem,makingitmorevulnerabletodiseasesandlessresilienttoenvironmentalchanges.Furthermore,humansderiveimmenseeconomicvaluefrombiodiversity.Manyofourmedicinesarederivedfromplantandanimalcompounds.Forinstance,aspirinwasoriginallyderivedfromwillowbark,andnumerouscancertreatmentsarebasedoncompoundsfoundinrareplants.Thelossofundiscoveredspeciesmeansthelossofpotentialcuresfordiseases.Additionally,agricultureheavilydependsonpollinatorslikebeesandbutterflies.Thedeclineinpollinatorpopulationsduetopesticideuseandhabitatlossthreatensglobalfoodsecurity,potentiallyleadingtowidespreadfamineandeconomiccrisis.Tomitigatethiscrisis,conservationeffortsmustbeglobalandcoordinated.Protectedareas,suchasnationalparksandmarinereserves,areessentialforpreservingcriticalhabitats.However,simplyfencingoffareasisinsufficient;conservationmustalsobeintegratedintourbanplanningandagriculturalpractices.Sustainablefarmingtechniques,suchascroprotationandreducedchemicalusage,canhelppreservelocalecosystems.Moreover,internationalagreements,liketheConventiononBiologicalDiversity,playavitalroleinsettingtargetsandholdingnationsaccountable.Ultimately,protectingbiodiversityisaninvestmentinourownfuture.Thehealthoftheplanetisinextricablylinkedtohumanwell-being.Recognizingourrolewithintheecosystem,ratherthanviewingourselvesasseparatefromit,isthefirststeptowardsmeaningfulchange.56.Whatisthemaincauseofthecurrentacceleratedrateofspeciesextinctionaccordingtothepassage?A.Naturalenvironmentalchanges.B.Humanactivities.C.Massextinctionevents.D.Overpopulationofpredators.57.Whatisa"trophiccascade"asexplainedinthepassage?A.Theprocessofatoppredatorhuntingherbivores.B.Thechainreactioncausedbytheremovalofaspeciesfromanecosystem.C.Themigrationofanimalstonewhabitats.D.Theovergrazingofvegetationbyplant-eatinganimals.58.Howdoestheauthorillustratetheeconomicvalueofbiodiversity?A.Bymentioningthecostofnationalparks.B.Bycitingtheexampleofwolvescontrollingdeerpopulations.C.Byhighlightingthemedicinalpotentialofplantsandtheroleofpollinatorsinagriculture.D.Bydiscussingtheprofitsoftheagriculturalindustry.59.Accordingtothepassage,whatisashortcomingofsimplycreatingprotectedareaslikenationalparks?A.Theyaretooexpensivetomaintain.B.Theydonotallowtouriststovisit.C.Theyareinsufficientontheirownwithoutintegratingconservationintootherareas.D.Theyonlyprotectpredators,notherbivores.60.Whatistheauthor'soverallmessageinthepassage?A.Humansurvivalisindependentofbiodiversity.B.Protectingbiodiversityisessentialforthefutureofhumanity.C.Economicgrowthshouldbeprioritizedoverenvironmentalprotection.D.Internationalagreementsareuselessforconservation.Passage4阅读短文，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。选项中有一项为多余选项。Timemanagementisacriticalskillforacademicandprofessionalsuccess,yetmanyindividualsstrugglewithitdaily.Thefeelingofbeingoverwhelmedbytasksoftenleadstostressanddecreasedproductivity.61Oneofthemosteffectivestrategiesisprioritization.TheEisenhowerMatrix,apopulartimemanagementtool,categorizestasksintofourquadrantsbasedonurgencyandimportance.62Byfocusingonimportantbutnon-urgenttasks,individualscanpreventcrisesfromoccurringinthefuture,ratherthanconstantlyputtingoutfires.Anothercrucialaspectoftimemanagementisavoidingthetrapofmultitasking.Whilemanypeoplebelievethatdoingseveralthingsatonceincreasesefficiency,cognitivesciencetellsadifferentstory.63Whenweswitch