湖南长沙市2025年下半年全国英语等级考试（PETS）四级练习试题库

湖南长沙市2025年下半年全国英语等级考试（PETS）四级练习试题库SectionIListeningComprehensionDirections:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.Therearethreepartsinthissection,PartA,PartBandPartB.PartADirections:Youwillhear5shortdialogues.Attheendofeachdialogue,aquestionwillbeaskedaboutwhatwassaid.Boththedialogueandthequestionwillbespokenonlyonce.Afteryouhearaquestion,readthefourpossibleanswersinyourtestpaperanddecidewhichisthebestanswer.1.Whatdoesthewomanimplyabouttheweather?A.Itwillclearupsoon.B.Themanshouldtrusttheweatherforecast.C.Therainwon'tlastlong.D.Shepreferswalkingintherain.2.Howdoesthemanfeelaboutthenewproject?A.Heisconfidentaboutitssuccess.B.Hethinksitisawasteoftime.C.Heisworriedaboutthetightdeadline.D.Hewantstoquittheprojectteam.3.Whatarethespeakersmainlydiscussing?A.Anewmovietheyjustwatched.B.Theplotofasciencefictionnovel.C.Anupcomingexamschedule.D.Thedifficultyofcomputerprogramming.4.Whydidthewomanrefusethejoboffer?A.Thesalarywaslowerthanherexpectation.B.Thecommutewastoolong.C.Shewantedtopursueamaster'sdegree.D.Thecompanyculturedidn'tfither.5.Whatdoesthemansuggestthewomando?A.Buyanewcomputerimmediately.B.Takethecomputertoarepairshop.C.Askherbrothertofixthecomputer.D.Installanewoperatingsystemherself.PartBDirections:Youwillheartwolongerdialoguesorpassages.Aftereachdialogueorpassage,youwillbeaskedseveralquestions.Thematerialswillbespokenonlyonce.Questions6to10arebasedonthefollowingconversation.6.Whatisthemainpurposeoftheman'svisittothedoctor?A.Togetaprescriptionforasleepingpill.B.Todiscusstheresultsofhisbloodtest.C.Toseekadviceforhispersistentbackpain.D.Toundergoaroutinephysicalexamination.7.Accordingtothedoctor,whatistheprimarycauseoftheman'sproblem?A.Alackofphysicalexercise.B.AvitaminDdeficiency.C.Incorrectposturewhilesittingatwork.D.Anoldsportsinjurythathasn'thealed.8.Whatdoesthedoctorrecommendthemandoduringworkhours?A.Takeaten-minutewalkeveryhour.B.Standupandstretcheveryhalfanhour.C.Switchtoastandingdeskimmediately.D.Drinkmorewatertostayhydrated.9.Howoftendoesthemaninitiallysayheexercises?A.Twiceaweek.B.Onceaweek.C.Hardlyever.D.Everyday.10.Whatwillthemanprobablydoaftertheconversation?A.Signupforagymmembership.B.Buyanergonomicchair.C.Applyforafewdaysofsickleave.D.Consultanotherspecialist.Questions11to15arebasedonthefollowingpassage.11.Whatisthemaintopicofthepassage?A.ThehistoryofcoffeeconsumptioninEurope.B.Theeconomicimpactofcoffeetradeindevelopingcountries.C.Theenvironmentalconsequencesofcoffeefarming.D.Theprocessofmakingdifferenttypesofcoffee.12.Accordingtothespeaker,whyis"shade-grown"coffeebetterfortheecosystem?A.Itproducesbeanswitharicherflavor.B.Itrequireslesschemicalfertilizer.C.Itprovidesahabitatformigratorybirdsandinsects.D.Ityieldsalargerharvestperacre.13.Whatproblemisassociatedwith"sun-grown"coffeeplantations?A.Theycauseseveresoilerosionovertime.B.Theyaremorevulnerabletoextremeweatherconditions.C.Theyrequiresignificantlymoremanuallabor.D.Theyleadtothedeforestationoftropicalareas.14.Whatdoestheterm"FairTrade"guaranteeinthecontextofcoffee?A.Thecoffeeis100%organic.B.Thefarmersreceiveaminimumpricefortheircrops.C.Thecoffeeistransportedusingeco-friendlymethods.D.Theworkersontheplantationarepaidaboveminimumwage.15.Whatisthespeaker'sgeneralattitudetowardsthefutureofthecoffeeindustry?A.Highlypessimisticduetoclimatechange.B.Optimisticbecauseofincreasingconsumerawareness.C.Indifferenttothechallengesfarmersface.D.Criticalofthemarket'slackofregulation.PartCDirections:Youwillhearapassage.Whilelistening,fillintheblankswiththeexactwordsyouhear.Thepassagewillbereadthreetimes.Welcometotheintroductorylectureonenvironmentaleconomics.Today,wewillexploretheconceptof"externalities."Anexternalityisacostorbenefitcausedbyaproducerthatisnotfinanciallyincurredorreceivedbythatproducer.Forexample,afactorythatpollutestheaircreatesanegativeexternalityforthelocalresidentswhosufferfromhealthissues,yetthefactorydoesnotpayforthesemedicalcosts.Toaddressthis,governmentsoftenstepinto16.________ataxonthepollutingentity.Thisiscommonlyknownasa"Pigouviantax,"namedaftertheBritisheconomistArthurPigou.Thegoalistointernalizetheexternalcosts,therebymakingtheproducer'stotalcostreflectthetruecosttosociety.Conversely,apositiveexternalityoccurswhenanactionresultsinabenefittoothers.17.________ineducationisaclassicexample.Whenasocietyinvestsinpubliceducation,theentireeconomybenefitsfromamoreskilledandproductiveworkforce,eventhoughtheindividualsreceivingtheeducationmightonlyconsidertheirownprivatebenefits.Toencouragepositiveexternalities,governmentsmayoffer18.________suchastaxbreaksorgrants.Thechallengeinenvironmentaleconomicsisaccuratelyquantifyingtheseexternalities.Howdoweputapriceoncleanairorastableclimate?Economistsusecomplex19.________andvaluationtechniques,oftencontroversial,toestimatethesevalues.Understandingexternalitiesiscrucialforpolicymakers.Withoutrecognizingthesehiddencostsandbenefits,marketswillfailtoallocateresourcesefficiently,leadingtoenvironmentaldegradationandsocial20.________.SectionIIUseofEnglishDirections:Readthefollowingtext.Choosethebestwordorphraseforeachnumberedblank.Themodernworkplacehasundergoneadramatictransformationinthepastdecade,largelydrivenbytechnologicaladvancementsandchangingculturalnorms.Oneofthemostsignificantshiftshasbeenthemoveawayfromtraditional,rigid9-to-5schedulestowardsmoreflexibleworkingarrangements.Thistransition,however,isnotwithoutits21.________.Advocatesofflexibleworkarguethatitallowsemployeestobalancetheirpersonalandprofessionallivesmoreeffectively.Bygivingworkerstheautonomytochoosewhenandwheretheywork,companiesoftenseea22.________inproductivityandoveralljobsatisfaction.Employeeswhocanavoidrush-hourtrafficorattendtofamilyresponsibilitiesaregenerallylessstressedandmorefocusedduringtheirworkinghours.Furthermore,remoteworkoptionshaveenabledcompaniesto23.________fromaglobaltalentpool,nolongerrestrictedbygeographicalboundaries.Thisdiversitycanleadtomoreinnovativeideasandabetter24.________oftheglobalmarket.Ontheotherhand,criticspointoutthatthelackofstructurecanbe25.________forsomeindividuals.Withoutaclearseparationbetweenhomeandtheoffice,theboundariesbetweenworkandpersonallifecanbecomeblurred.Manyemployeesfindthemselvescheckingemailslateatnightorworkingthroughweekends,leadingtoaphenomenonknownas"techno-stress"andultimately,26.________.Furthermore,whiletechnologyfacilitatesvirtualcommunication,itcannotfullyreplacethe27.________offace-to-faceinteractions.Casualconversationsbythecoffeemachineorspontaneousbrainstormingsessionsinameetingroomoftenleadtocreativebreakthroughsthataredifficultto28.________inascheduledvideocall.Fromamanagerialperspective,supervisingaremoteteamrequiresadifferentsetofskills.Managersmustshiftfromamodelofmonitoringattendanceto29.________outcomes.Thisrequiresahighleveloftrustandclearcommunicationofexpectations.Someorganizationshaveattemptedto30.________thischallengebyimplementing"corehours"whereallemployeesmustbeonline,combinedwithflexiblehoursoutsideofthatwindow.Thishybridapproachattemptstocapturethebestofbothworlds.Ultimately,thereisnoone-size-fits-allsolution.Theeffectivenessofflexibleworkarrangementsdependslargelyonthenatureoftheindustry,thecultureoftheorganization,andtheindividualcharacteristicsoftheemployees.Whatisclear,however,isthatthetraditionalmodelofworkis31.________becomingobsolete.Companiesthatrefusetoadapttothisnewrealityrisklosingtheirbesttalenttomoreprogressive32.________.Aswemoveforward,themostsuccessfulorganizationswillbethosethatcanstriketherightbalancebetweenprovidingflexibilityandmaintaininga33.________collaborativeenvironment.Thiswillrequireongoingexperimentation,opendialoguebetweenemployersandemployees,anda34.________toabandonoutdatedparadigmsofproductivity.Thefutureofworkisnotaboutwherewework,but35.________howweworktogethertoachievecommongoals.21.A.benefitsB.challengesC.advantagesD.guarantees22.A.surgeB.declineC.fluctuationD.stability23.A.hireB.excludeC.dismissD.suffer24.A.misunderstandingB.ignoranceC.understandingD.criticism25.A.beneficialB.detrimentalC.irrelevantD.supportive26.A.engagementB.motivationC.burnoutD.loyalty27.A.nuancesB.inconveniencesC.hostilitiesD.distances28.A.avoidB.replicateC.forgetD.prevent29.A.measuringB.ignoringC.controllingD.demanding30.A.mitigateB.aggravateC.postponeD.identify31.A.voluntarilyB.rapidlyC.reluctantlyD.barely32.A.policiesB.competitorsC.regulationsD.traditions33.A.stagnantB.cohesiveC.fragmentedD.isolated34.A.refusalB.hesitationC.willingnessD.tendency35.A.morethanB.ratherthanC.lessthanD.otherthanSectionIIIReadingComprehensionPartADirections:Readthefollowingfourtexts.AnswerthequestionsbeloweachtextbychoosingA,B,CorD.Text1Theconceptofa"smartcity"hasevolvedfromafuturisticvisiontoanurbanreality.Atitscore,asmartcityutilizestheInternetofThings(IoT)sensorsandadvanceddataanalyticstooptimizecityfunctions,driveeconomicgrowth,andimprovethequalityoflifeforitscitizens.However,ascitiesrushtoembracethistechnologicalrevolution,acriticalissuehasemerged:thedigitaldivide.Whilesmartcityinitiativespromiseefficiency—suchastrafficmanagementsystemsthatreducecongestionorsmartgridsthatlowerenergyconsumption—thesebenefitsarenotalwaysdistributedequitably.Thedigitaldividereferstothegapbetweenthosewhohaveaccesstomoderninformationandcommunicationstechnologyandthosewhodonot.Inmanyurbancenters,marginalizedcommunitiesfindthemselvesonthewrongsideofthisdivide.Forinstance,asmartcitymightdeployamobileapplicationforcitizenstoreportmunicipalissueslikepotholesorbrokenstreetlights.However,iflow-incomeresidentslacksmartphonesoraffordabledataplans,theirneighborhoodsarelesslikelytobereportedandsubsequentlyrepaired.Thiscreatesafeedbackloopofinequality,wherealreadydisadvantagedareasreceivefewermunicipalresources,furtherexacerbatingurbandecay.Furthermore,theimplementationofsmartsurveillancetechnologiesraisesprofoundprivacyconcerns,particularlyinminorityneighborhoodswherepolicepresenceishistoricallyhigher.Thecollectionofmassiveamountsofdata—fromfacialrecognitioncamerastolicenseplatereaders—canleadtoprofilingandunwarrantedscrutinyifnotgovernedbystrictethicalguidelines.Toensurethatsmartcitiesdonotbecomeenginesofinequality,urbanplannersandpolicymakersmustadoptaninclusiveapproach.Thismeansinvestingindigitalliteracyprogramsandprovidingsubsidizedbroadbandaccesstounderservedcommunities.Italsorequirestransparentdatagovernancepoliciesthatprotectcitizens'privacy.Ultimately,thesuccessofasmartcityshouldnotbemeasuredbythesheervolumeofdataitcollects,butbyhowequitablythatdataisusedtoserveallitsresidents,regardlessoftheirsocioeconomicstatus.36.Whatistheprimaryfocusofthepassage?A.Thetechnologicalmechanismsbehindsmartcities.B.Theprivacyissuescausedbytrafficmanagementsystems.C.Theunequaldistributionofbenefitsinsmartcitydevelopment.D.Thehistoryofthedigitaldivideinurbanareas.37.Accordingtothepassage,howcanamobileappforreportingmunicipalissuesinadvertentlycauseinequality?A.Itistoocomplexformostcitizenstouse.B.Itprioritizeswealthyneighborhoodsoverpooronesinitscode.C.Itrequiresdevicesanddataplansthatlow-incomeresidentsmaylack.D.Itdiscouragescitizensfromcallingthemunicipalofficedirectly.38.Theword"exacerbating"inParagraph3mostlikelymeans________.A.alleviatingB.worseningC.reversingD.preventing39.Whatconcernisraisedregardingsmartsurveillancetechnologies?A.Theyaretooexpensiveforcitybudgets.B.Theymightleadtoprofilinginhistoricallyover-policedneighborhoods.C.Theyfrequentlyfailtorecognizelicenseplatesaccurately.D.Theyrequiretoomuchelectricitytooperateefficiently.40.Whatdoestheauthorsuggestasasolutiontothedigitaldivideinsmartcities?A.Abandoningtheuseofmobileappsformunicipalreporting.B.Implementinginclusiveapproacheslikedigitalliteracyprogramsandsubsidizedbroadband.C.Removingallsmartsurveillancecamerasfromminorityneighborhoods.D.Measuringacity'ssuccessbythevolumeofdatacollectedratherthanequity.Text2Intherealmofmodernpsychology,thetraditionalviewofstressasanentirelynegativeforceisundergoingasignificantparadigmshift.Dr.KellyMcGonigal,ahealthpsychologist,arguesthatitisnotstressitselfthatisharmful,butratherourbeliefaboutstressthatdeterminesitsphysiologicalimpact.Thisconceptisrootedintheideathatstresscanbeappraisedaseitherathreatorachallenge.Whenanindividualperceivesastressfulsituationasathreat,thebodyreleasescortisolandconstrictsbloodvessels,aresponselinkedtocardiovasculardisease.However,whenstressisviewedasachallenge—anopportunityforgrowthandmastery—thebodyrespondsdifferently.Thebloodvesselsremainrelaxed,resemblingthecardiovascularstateofjoyandcourage.Thebrainalsoreleasesoxytocin,oftencalledthe"cuddlehormone,"whichmotivatesindividualstoseeksocialsupportandconnectwithothers.Thisneurobiologicalresponsehighlightstheimportanceofsocialconnectioninstressmanagement.Oxytocinisanaturalanti-inflammatoryandhelpsheartcellsregeneratefromstress-induceddamage.Thissuggeststhathumanconnectionisabuilt-inresiliencemechanismagainsttheharmfuleffectsofstress.Thus,reachingouttoothersduringstressfultimesisnotasignofweakness,butabiologicalsurvivalresponse.Furthermore,studiesonstressmindsetsshowthatindividualswhoviewstressashelpfularemorelikelytoperformbetterunderpressure,havefewerhealthissues,andexperiencelessburnout.Theytendtoutilizetheenergygeneratedbystresstofocusontheirgoalsratherthanbeingparalyzedbyanxiety.Theimplicationsofthisresearchareprofound.Ratherthanattemptingtoeliminatestresscompletely,whichisanimpossibletaskinmodernlife,individualsshouldfocusonreframingtheirrelationshipwithstress.Byembracingstressandviewingitasatoolforgrowth,andbynurturingsocialconnections,wecantransformourbiologyandprotectourhealth.Thegoalisnottoliveastress-freelife,buttoliveameaningfulone,wherestressissimplytheenergythathelpsusrisetotheoccasion.41.AccordingtoDr.KellyMcGonigal,whatprimarilydeterminesthephysiologicalimpactofstress?A.Theintensityofthestressor.B.Thedurationofthestressfulevent.C.Theindividual'sbeliefaboutstress.D.Theindividual'sgeneticpredisposition.42.Howdoesthebody'scardiovascularsystemrespondwhenstressisperceivedasachallenge?A.Bloodvesselsconstrictsignificantly.B.Theheartratedropsdramatically.C.Bloodvesselsremainrelaxed.D.Cortisollevelsdecreasesharply.43.Whatistheroleofoxytocinduringastressfulevent,accordingtothepassage?A.Itsuppressestheimmunesystem.B.Itencouragesindividualstoseeksocialsupport.C.Itcausesbloodvesselstoconstrict.D.Itimpairsmemoryandcognitivefunction.44.Whatcanbeinferredaboutindividualswhoviewstressashelpful?A.Theyrarelyexperiencestressfulsituations.B.Theyaremorelikelytothriveunderpressure.C.Theytendtoavoidsocialinteractions.D.Theyhavehigherlevelsofcortisol.45.Whatisthemainpointtheauthormakesinthefinalparagraph?A.Eliminatingstressentirelyisthekeytoahealthylife.B.Stressisinherentlydangerousandshouldbemedicated.C.Reframingstressandnurturingconnectionscanimprovehealth.D.Livingastress-freelifeguaranteesameaningfullife.Text3Thedeepocean,Earth'sfinalfrontier,remainslargelyunexplored.Beneaththewavesliesalandscapeoftoweringseamounts,vastabyssalplains,anddeep-seatrencheswheresunlightneverpenetrates.Inrecentyears,theracetomapandexploittheseremoteregionshasintensified,drivenprimarilybythedemandforrareearthmineralsessentialformodernelectronicsandgreenenergytechnologies.Thisrushhassparkedafiercedebatebetweeneconomicinterestsandenvironmentalconservation.Proponentsofdeep-seaminingarguethattheoceanfloorcontainsvastdepositsofvaluablemineralssuchascobalt,nickel,andcopper.Thesemetalsarecrucialformanufacturingbatteriesforelectricvehiclesandwindturbines.Asterrestrialsourcesbecomedepletedandenvironmentallydamagingtoextract,thedeepseapresentsaseeminglylucrativealternative.Furthermore,theyarguethatdeep-seamining,ifregulatedproperly,couldhaveasmallercarbonfootprintthantraditionallandmining.However,marinebiologistsandenvironmentalistswarnofcatastrophicconsequences.Thedeep-seaecosystemisincrediblyfragileandslowtorecover.Organismsintheabyssalzonegrowataglacialpaceduetothelackofsunlightandlowtemperatures.Asingleminingoperationcoulddestroyhabitatsthathavetakenmillenniatoform.Theextractionprocesscreatessedimentplumesthatcanchokefilter-feedingorganismsmilesawayfromtheminingsite,whilenoisepollutiondisruptsthecommunicationofmarinemammals.Theregulatorylandscapeiscurrentlystrugglingtokeeppacewithtechnologicaladvancements.TheInternationalSeabedAuthority(ISA),thebodytaskedwithregulatingdeep-seaminingininternationalwaters,isunderpressuretofinalizeaminingcode.Environmentalgroupsarecallingforamoratoriumonmininguntilsufficientscientificresearchhasbeenconductedtounderstandthelong-termimpactsonmarinebiodiversity.Thecruxofthedilemmaliesinthetensionbetweenourimmediateneedforgreentechnologiestocombatclimatechangeandthepreservationofoneoftheplanet'smostpristineecosystems.Sacrificingthedeepoceantosavetheatmosphereisatrade-offthatscientistswarncouldhaveirreversibleconsequences.Thetruecostofourgreentransitionmustbecalculatednotjustincarbonemissions,butinthecurrencyofbiodiversityandecologicalstability.46.Whatisdrivingtheinterestinexploitingthedeepocean?A.Thedesiretomapunknownterritories.B.Thedemandforrareearthmineralsusedintechnology.C.Thedepletionofmarinefoodsources.D.Theneedfornewoilreserves.47.Accordingtoproponents,whyisdeep-seaminingconsideredaviablealternative?A.Itissignificantlycheaperthanlandmining.B.Terrestrialsourcesarerunningoutandcauseenvironmentaldamage.C.Thedeepseaisalreadydevoidoflife,sonoharmisdone.D.Itcreatesmorejobsthantraditionalmining.48.Whatenvironmentalriskisassociatedwiththeextractionprocess?A.Thereleaseoftoxicchemicalsintotheatmosphere.B.Thedisruptionofmarinemammalcommunicationandsedimentplumes.C.Thewarmingofdeep-seacurrents.D.Theincreaseinsunlightpenetrationharmingdeep-seaorganisms.49.WhatistheInternationalSeabedAuthority(ISA)pressuredtodo?A.Banallminingininternationalwaterspermanently.B.Encourageprivatecompaniestobeginminingimmediately.C.Finalizeregulationsandaminingcode.D.Restrictfishingrightsintheabyssalzone.50.Whatisthecoredilemmadiscussedinthelastparagraph?A.Choosingbetweenmanufacturingelectricvehiclesandwindturbines.B.Balancingtheneedforgreentechnologywiththepreservationofpristineecosystems.C.Decidingwhethertomineonlandorintheocean.D.Allocatingprofitsfromdeep-seaminingoperations.Text4ArtificialIntelligence(AI)hasmaderemarkablestridesincreativedomains,fromcomposingmusictowritingpoetry.Recently,AImodelshavebeguntogeneratevisualartthatrivalstheworkofhumanartists.Thisdevelopmenthassparkedacomplexlegalandphilosophicaldebateregardingcopyrightandthedefinitionofartitself.Traditionalcopyrightlawispredicatedontheconceptofauthorship,whichhistoricallyimpliesahumancreator.Inmostjurisdictions,copyrightprotects"originalworksofauthorship"fixedinatangiblemedium.However,whenanAIgeneratesapainting,whoistheauthor?Isittheprogrammerwhowrotethealgorithm?Isittheuserwhoinputtedthetextprompt?OristheAIitselfacreativeentity?Currently,theU.S.CopyrightOfficehasruledthatworkscreatedsolelybyAIarenoteligibleforcopyrightprotection,astheylackhumanauthorship.Thislegalvacuumcreatessignificanteconomicimplications.IfAI-generatedartcannotbecopyrighted,anyonecanfreelycopy,distribute,andsellit,underminingthecommercialvalueforthecreatorsoftheAItools.Ontheotherhand,ifAIartisgrantedcopyright,itcouldleadtoamassivemonopolizationofcreativeworksbytechcompanies,potentiallystiflinghumancreativitybyfloodingthemarketwithcheap,automatedcontent.Furthermore,theprocessoftrainingAIartmodelsraisesitsownlegalissues.Thesemodelsaretypicallytrainedonbillionsofimagesscrapedfromtheinternet,manyofwhicharecopyrighted.ArtistswhoseworkswereusedwithoutpermissionorcompensationhavefiledlawsuitsagainstAIdevelopers,claimingcopyrightinfringement.Theyarguethattheiruniquestylesarebeingalgorithmicallyreplicatedandcommodifiedwithouttheirconsent.TheintersectionofAIandcopyrightlawrepresentsaprofoundchallengetoestablishedintellectualpropertyframeworks.Resolvingtheseissueswillrequireadelicatebalancebetweenincentivizingtechnologicalinnovation,protectingtherightsofhumancreators,andensuringthatcultureremainsaccessible.AsAIcontinuestoevolve,thelawmustadapt,potentiallymovingbeyondthebinaryofhumanversusmachinetorecognizeamorenuancedspectrumofcollaborativecreation.51.WhatisthemaindebatetriggeredbyAI-generatedvisualart?A.WhetherAIcancreatebetterartthanhumans.B.ThecostofAIartgenerationsoftware.C.TheimpactofAIontraditionalartgalleries.D.Thelegalandphilosophicalquestionsofcopyrightandauthorship.52.WhyhastheU.S.CopyrightOfficeruledthatAI-generatedworkscannotbecopyrighted?A.Becausetheworkslackhumanauthorship.B.Becausetheworksarenotfixedinatangiblemedium.C.Becausetheworksarenotconsideredoriginal.D.Becausethealgorithmiskeptatradesecret.53.WhateconomicriskishighlightedifAI-generatedartcannotbecopyrighted?A.TechcompanieswillstopdevelopingAImodels.B.AIarttoolswillbecometooexpensiveforconsumers.C.Thecommercialvalueoftheworksisunderminedsinceanyonecancopythem.D.Humanartistswilllosealltheirjobsimmediately.54.WhyhavesomeartistsfiledlawsuitsagainstAIdevelopers?A.Thedevelopersstoletheirphysicalpaintings.B.Thedevelopersusedcopyrightedimageswithoutpermissionorcompensationtotrainthemodels.C.Thedevelopersclaimedtobetheoriginalcreatorsoftheart.D.ThedevelopersrefusedtoselltheAIsoftwaretotheartists.55.Accordingtotheauthor,howshouldthelawadapttoAI-generatedart?A.BybanningallformsofAI-generatedart.B.BygrantingfullcopyrightexclusivelytotheAIprogrammers.C.Byrecognizingamorenuancedspectrumofcollaborativecreation.D.ByignoringAIartandmaintainingthecurrenthuman-centricbinary.PartBDirections:Inthefollowingtext,somesentenceshavebeenremoved.ChoosethemostsuitableonefromthelistA-Gtofitintoeachofthenumberedblanks(56-60).Thephenomenonofthe"gigeconomy"hasfundamentallyreshapedthemodernlabormarket.Characterizedbyshort-termcontracts,freelancework,andplatform-basedassignments,thegigeconomyoffersunprecedentedflexibilityforworkersandcostsavingsforemployers.However,thisshiftawayfromtraditionalemploymentmodelshasraisedprofoundquestionsaboutlaborrightsandsocialsafetynets.56.________Forworkers,thegigeconomycanbeadouble-edgedsword.Ononehand,itallowsindividualstobetheirownboss,choosetheirworkinghours,andsupplementtheirprimaryincome.57.________Unliketraditionalemployees,gigworkersaretypicallyclassifiedasindependentcontractors.Thismeanstheyarenotentitledtominimumwage,overtimepay,workers'compensation,oremployer-sponsoredhealthinsurance.Ifaride-sharedrivergetsinjuredonthejob,theyaresolelyresponsiblefortheirmedicalbillsandlostincome.Furthermore,theincomevolatilityingigworkcanbeextreme.Aworker'searningscanfluctuatewildlyfromdaytoday,dependingonmarketdemandandalgorithmchangesbytheplatform.58.________Asuddenillnessorabrokenvehiclecanmeanimmediatelossofincome,withnopaidsickleavetofallbackon.Thelackofbargainingpowerisanothercriticalissue.Gigworkersoperateinisolation,dealingdirectlywithapowerfulplatformalgorithmratherthanahumanmanager.59.________Theycannoteasilynegotiatehigherratesorbetterconditions,astheplatformholdstheultimatepowertodeactivatetheiraccountsforanyreason.Policymakersarenowgrapplingwithhowtoaddressthesedisparities.Somejurisdictionshaveattemptedtoreclassifygigworkersasemployees,guaranteeingthemstandardlaborprotections.60.________Apotentialsolutionliesincreating