全国英语等级考试（PETS）四级全真模拟试题(陕西省铜川市2026年上半年)

全国英语等级考试（PETS）四级全真模拟试题(陕西省铜川市2026年上半年)SectionIListeningComprehensionDirections:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.Therearethreepartsinthissection,PartA,PartBandPartC.Remember,whileyouaredoingthetest,youshouldfirstputdownyouranswersinyourtestbooklet.Attheendofthelisteningcomprehensionsection,youwillhave5minutestotransferallyouranswersfromyourtestbooklettoANSWERSHEET1.PartAForQuestions1-5,youwillhearaconversationbetweenastudentandaprofessoraboutaresearchproject.Whileyoulisten,filloutthetablewiththeinformationyouhaveheard.Someoftheinformationhasbeengiventoyouinthetable.Writeonly1wordineachnumberedbox.InformationabouttheResearchProjectTopic:Theimpactofurbangreenspaceson1.________DataCollectionMethod:Conducting2.________surveysRequiredSampleSize:Atleast3.________participantsCurrentProgress:Finisheddesigningthe4.________SubmissionDeadline:Next5.________PartBForQuestions6-10,youwillheararadiobroadcastaboutclimatechangeandurbanplanning.Whileyoulisten,completethesentencesandanswerthequestions.Usenomorethan3wordsforeachanswer.6.Thespeakermentionsthattheriseinglobaltemperaturesisprimarilycausedbyexcessive________.7.Accordingtothereport,coastalcitiesarefacinganincreasedriskofextreme________.8.Thenewurbanplanningstrategyemphasizestheintegrationofnaturalecosystemsinto________.9.Oneofthepracticalsolutionsmentionedforresidentsistoadoptasustainable________.10.Thelocalgovernmentplanstoallocate2.5×PartCYouwillhearthreedialoguesormonologues.Beforelisteningtoeachone,youwillhavetimetoreadthequestionrelatedtoit.Whilelistening,answereachquestionbychoosingA,B,CorD.Questions11-13arebasedonthefollowingtalkaboutsleepscience.11.Whatisthemainfocusoftherecentsleepstudymentionedbythespeaker?[A]Theimpactofsleeponmemoryconsolidation.[B]Therelationshipbetweensleepdeprivationandcardiovascularhealth.[C]Theeffectofelectronicdevicesonsleepquality.[D]Thegeneticfactorsinfluencingsleepduration.12.Accordingtothestudy,whathappenstothebrainduringdeepsleep?[A]Itactivelyclearsoutmetabolicwaste.[B]Itprocessescomplexemotionalinformation.[C]Itformsnewneuralconnectionsformotorskills.[D]Itentersastatesimilartowakefulness.13.Whatrecommendationdoesthespeakergiveattheendofthetalk?[A]Takingshortnapsduringtheday.[B]Avoidingheavymealsbeforebedtime.[C]Maintainingaconsistentsleepschedule.[D]Usingsleeptrackingdevicestomonitorrest.Questions14-16arebasedonthefollowingconversationbetweentwocolleagues.14.Whydidthemanapproachthewoman?[A]Toaskforhelpwithasoftwareinstallation.[B]Todiscusstheagendafortheupcomingconference.[C]Torequestatransfertoanotherdepartment.[D]Toinquireaboutthebudgetreportdeadline.15.Whatisthewoman'sattitudetowardstheman'scurrentproject?[A]Shethinksitisoverlyambitious.[B]Shefindsithighlyrelevanttothecompany'sgoals.[C]Shedoubtsitsfeasibilitywithinthegiventimeframe.[D]Shebelievesitrequiresadditionalfunding.16.WhatdotheyagreetodonextTuesday?[A]Presenttheproposaltotheboard.[B]Holdapreliminarymeetingwiththedesignteam.[C]Revisethefinancialprojections.[D]Conductamarketresearchsurvey.Questions17-20arebasedonthefollowingmonologueaboutthehistoryofarchaeology.17.Whatwastheprimarypurposeofearlyarchaeologyinthe19thcentury?[A]Topreserveculturalheritageforfuturegenerations.[B]Tofindhiddentreasuresforpersonalcollection.[C]Toprovethehistoricalaccuracyofancienttexts.[D]Tounderstandthedailylivesofordinarypeople.18.Howdidthemethodologyofarchaeologychangeinthe20thcentury?[A]Itstartedusingradiocarbondatingexclusively.[B]Itshiftedfrommereobjectcollectiontounderstandinghumanbehavior.[C]Itbeganrelyingmoreonlocalfolklorethanscientifictools.[D]Itstoppedexcavatingsitesentirelytopreventdamage.19.Whatdoesthespeakerimplyaboutmodernarchaeologists?[A]Theyoftenfaceethicaldilemmasregardingexcavation.[B]Theyarelessskilledthanthearchaeologistsofthepast.[C]Theyfocusonlyonsitesthreatenedbyurbandevelopment.[D]Theyprefertoworkinisolationratherthaninteams.20.Accordingtothespeaker,whatistheultimatevalueofarchaeology?[A]Itprovidesalucrativesourceoftourismfordevelopingnations.[B]Ithelpshumanityunderstanditssharedoriginsanddiversity.[C]Itconfirmsthesuperiorityofcertainancientcivilizations.[D]Ituncoversadvancedtechnologieslosttotime.TranscriptforListeningComprehensionPartAProfessor:Goodmorning,David.Iwantedtotalktoyouaboutyourresearchproject.Youmentionedyouarelookingattheimpactofurbangreenspaces.Student:Yes,Professor.Iwanttoinvestigatehowparksandcommunitygardensaffectthementalhealthofresidentsinourcity.Professor:Thatsoundspromising.Howdoyouplantogatheryourdata?Student:Iwillbeconductingstreetsurveysinthreedifferentneighborhoodswithvaryingamountsofgreenspace.Professor:Makesureyoursamplesizeisstatisticallysignificant.Iwouldrecommendhavingatleast500participantstogetreliableresults.Student:I'vealreadypreparedthequestionnaireandtesteditonasmallgroup.Itseemstoworkwell.Professor:Good.Whenareyouplanningtosubmitthefinalreport?Student:IaimtohanditinbynextFriday.Ineedtheweekendtofinalizethestatisticalanalysis.PartBWelcometotoday'seditionofEarthWatch.ThelatestreportfromtheIntergovernmentalPanelonClimateChangeconfirmsthattheriseinglobaltemperaturesisprimarilydrivenbyexcessivecarbonemissions.Thiswarmingtrendisnotjustafuturethreat;itishappeningnow.Coastalcitiesarecurrentlyfacinganunprecedentedriskofextremefloodingduetorisingsealevels.Inresponse,urbanplannersareadvocatingforaparadigmshift.Thenewstrategyemphasizestheintegrationofnaturalecosystemsintocityinfrastructure,oftenreferredtoasgreeninfrastructure.Thisincludescreatingwetlandstoabsorbexcessrainwaterandplantingurbanforeststoreducetheheatislandeffect.Residentscanalsoplayapartbyadoptingasustainablelifestyle,suchasreducingwasteandusingpublictransportation.Furthermore,tosupporttheseinitiatives,thelocalgovernmentplanstoallocate2.5×PartC-Talk1(Questions11-13)Weoftenthinkofsleepasapassivestate,butrecentstudiesrevealthatitisahighlyactiveperiodforthebrain.Agroundbreakingstudypublishedthismonthfocusesnotonmemory,butontherelationshipbetweensleepdeprivationandcardiovascularhealth.Researchersfoundthatpeoplewhoconsistentlysleeplessthansixhoursanighthaveasignificantlyhigherriskofheartdisease.Butwhatexactlyhappensduringdeepsleep?Thestudyshowsthatduringthisphase,thebrainactivelyclearsoutmetabolicwasteproductsthataccumulateduringtheday.This"washing"processiscrucialforpreventingneurodegenerativediseases.Theresearchersalsonotedthatmaintainingaconsistentsleepscheduleismoreimportantthanthetotalnumberofhourssleptoccasionally.So,goingtobedandwakingupatthesametimeeverydayisthebestrecommendationforlong-termhealth.PartC-Conversation(Questions14-16)Man:Hi,Sarah.Doyouhaveaminute?Iwantedtotalktoyouaboutthebudgetreport.Woman:Sure,Mark.Comeonin.Isthereanissuewiththedeadline?Man:No,thedeadlineisn'ttheproblem.I'mactuallyheretodiscusstheagendafortheupcomingconference.Iwashopingtopresentourcurrentprojectonthenewsoftwareinstallation.Woman:Isee.Tobehonest,Ifindyourprojecthighlyrelevanttothecompany'sgoals,especiallywiththerecentpushfordigitaltransformation.However,I'mconcernedthatitmightbeoverlyambitioustopresentthefullscoperightnow.Man:Iunderstandyourconcern,butwe'vemadesignificantprogress.Woman:Iknow.Let'sdothis.NextTuesday,let'sholdapreliminarymeetingwiththedesignteamtoreviewthemainpoints.Ifeverythinglookssolid,wecanpresenttheproposaltotheboardthefollowingweek.Man:Thatsoundslikeagreatplan.I'llpreparethesummaryforTuesday.PartC-Talk2(Questions17-20)Thefieldofarchaeologyhasundergoneamassivetransformationoverthepasttwocenturies.Inthe19thcentury,earlyarchaeologywasessentiallytreasurehunting.Theprimarypurposeofmanyexcavationswastofindhiddenobjectsforpersonalcollectionsortoprovethehistoricalaccuracyofancienttexts,ratherthantounderstandthepeoplewhocreatedthoseobjects.However,the20thcenturysawamajorshiftinmethodology.Archaeologistsstoppedmerelycollectingobjectsandbeganaskingdeeperquestionsabouthumanbehavior,migrationpatterns,andsocietaldevelopment.Modernarchaeologistsarehighlytrainedscientistswhousetoolslikeradiocarbondatingandsatelliteimagery.Yet,theyoftenfacecomplexethicaldilemmas,particularlyregardingtheexcavationofindigenoussitesandtherepatriationofculturalartifacts.Ultimately,thevalueofarchaeologyliesnotinthemonetaryworthoftheobjectsuncovered,butinitsabilitytohelphumanityunderstanditssharedoriginsandculturaldiversity.SectionIIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblank.Theconceptofthe"circulareconomy"hasgainedsignificanttractioninrecentyearsasaviablealternativetothetraditionallineareconomicmodelof"take,make,anddispose."Inalineareconomy,rawmaterialsareextracted,21intoproducts,andeventuallydiscardedaswaste.Thissystemisinherently22,asitreliesonacontinuoussupplyoffiniteresourcesandgeneratesvastamountsofpollution.Thecirculareconomy,23,isdesignedtoberestorativeandregenerative.Itaimstokeepproducts,components,andmaterialsattheirhighest24ofutilityandvalueatalltimes.Oneofthe25principlesofthecirculareconomyistheeliminationofwaste.Ratherthantreatingwasteasan26byproduct,itisviewedasavaluableresourcethatcanbe27backintotheproductioncycle.Thisrequiresa28shiftinhowproductsaredesigned.Manufacturersmust29durability,repairability,andrecyclabilityfromtheverybeginningofthedesignprocess.30,theconceptof"plannedobsolescence,"whereproductsareintentionallydesignedwithalimitedusefullife,isfundamentally31tothecircularmodel.Anothercriticalaspectisthetransitionfromthesaleofproductstotheprovisionofservices.Inacircularframework,companiesoften32theownershipoftheirproducts.33sellingalightbulb,acompanymightsell"lightingasaservice."Thecompanyretainsownershipoftheequipmentandis34foritsmaintenanceandeventualrecycling.This35thecompany'sfinancialinterestswithenvironmentalsustainability,asitbecomes36forthemtocreatelong-lasting,efficientproducts.Despiteitsclearenvironmentalandeconomicbenefits,the37toacirculareconomyfacesseveralbarriers.Existinginfrastructureislargely38forlinearconsumption.Furthermore,consumerbehavioris39accustomedtotheconvenienceofdisposablegoods.Overcomingthesechallengesrequirescollaborativeeffortsfromgovernments,businesses,and40tocreateasustainablefuture.21.[A]transferred[B]transformed[C]transmitted[D]translated22.[A]sustainable[B]efficient[C]unsustainable[D]profitable23.[A]incontrast[B]inaddition[C]inshort[D]invain24.[A]level[B]state[C]point[D]stage25.[A]founding[B]fundamental[C]trivial[D]superficial26.[A]inevitable[B]evitable[C]unavoidable[D]useful27.[A]integrated[B]assimilated[C]incorporated[D]reverted28.[A]systemic[B]systematic[C]syntactic[D]synthetic29.[A]prioritize[B]compromise[C]sacrifice[D]neglect30.[A]Therefore[B]However[C]Consequently[D]Conversely31.[A]essential[B]beneficial[C]detrimental[D]irrelevant32.[A]retain[B]relinquish[C]abandon[D]share33.[A]Insteadof[B]Inspiteof[C]Incaseof[D]Onaccountof34.[A]reliable[B]responsible[C]accountable[D]responsive35.[A]separates[B]aligns[C]conflicts[D]contrasts36.[A]beneficial[B]disadvantageous[C]advantageous[D]profitable37.[A]transition[B]transmission[C]translation[D]transformation38.[A]equipped[B]tailored[C]unsuited[D]designed39.[A]deeply[B]slightly[C]rarely[D]barely40.[A]scientists[B]individuals[C]politicians[D]corporationsSectionIIIReadingComprehensionPartAReadthefollowingtexts.AnswerthequestionsbeloweachtextbychoosingA,B,CorD.Text1Therapidadvancementofquantumcomputingrepresentsaparadigmshiftintheworldoftechnology.Unlikeclassicalcomputers,whichusebitstoprocessinformationaszerosorones,quantumcomputersusequantumbits,orqubits.Qubitsleveragetheprinciplesofsuperpositionandentanglement,allowingthemtoexistinmultiplestatessimultaneously.Thiscapabilityenablesquantumcomputerstosolvehighlycomplexproblemsthatwouldtakeclassicalcomputersbillionsofyearstoprocess.However,thetransitionfromtheoreticalmodelstopractical,commercialquantumcomputersisfraughtwithimmensetechnicalchallenges.Oneoftheprimaryobstaclesistheextremefragilityofqubits.Theyrequireenvironmentscooledtonearabsolutezerotominimizethermalnoiseandmaintaincoherence.Eventheslightestelectromagneticinterferenceortemperaturefluctuationcancause"decoherence,"collapsingthequantumstateandrenderingcalculationsuseless.Tomitigatethis,researchersareinvestingheavilyinquantumerrorcorrectionalgorithms,whichrequireamassiveoverheadofphysicalqubitstocreateasingle,stablelogicalqubit.Theimplicationsofquantumcomputingarefar-reaching.Incryptography,forinstance,afullyfunctionalquantumcomputercouldeasilycracktheRSAencryptionalgorithmsthatcurrentlysecureglobalfinancialtransactionsandcommunications.Thisimpendingthreathasacceleratedthedevelopmentofpost-quantumcryptography.Conversely,infieldssuchasmaterialsscienceanddrugdiscovery,quantumcomputersoffertheunprecedentedabilitytosimulatecomplexmolecularinteractionsattheatomiclevel.Thiscouldleadtothediscoveryofnewlife-savingdrugsorhighlyefficientenergymaterialsinafractionofthetimerequiredbyconventionalmethods.Despitetheseprospects,ethicalandgeopoliticalconcernsloom.Thenationthatfirstachievesquantumsupremacy—thepointwhereaquantumcomputercansolveaproblemthataclassicalcomputerpracticallycannot—willpossessaprofoundstrategicadvantage.Thishassparkedaglobaltechnologicalarmsrace,withheavyinvestmentsfromgovernmentsandprivatesectorsalike.Thechallengeforsocietywillbeensuringthattheimmensepowerofquantumcomputingisharnessedforuniversalbenefit,ratherthanwideningexistingtechnologicaldivides.41.Whatisthefundamentaldifferencebetweenclassicalcomputersandquantumcomputers?[A]Classicalcomputersusephysicalcomponents,whilequantumcomputersusetheoreticalmodels.[B]Quantumcomputersprocessmultiplestatesatonceduetoqubits.[C]Quantumcomputersprocessdataathighertemperaturestopreventoverheating.[D]ClassicalcomputersarelimitedbytheRSAencryptionalgorithms.42.Whatdoestheword"decoherence"refertointhecontextofthesecondparagraph?[A]Theprocessofcoolingthecomputertonearabsolutezero.[B]Theabilityofqubitstoexistinmultiplestatessimultaneously.[C]Thecollapseofthequantumstateduetoexternalinterference.[D]Theuseoferrorcorrectionalgorithmstofixdata.43.Accordingtothetext,whyisthedevelopmentofpost-quantumcryptographyaccelerating?[A]Becausequantumcomputerscansimulatemolecularinteractionseasily.[B]Becausequantumcomputersposeathreattocurrentencryptionmethods.[C]Becausescientistswanttoachievequantumsupremacyfaster.[D]Becausethereisaglobaltechnologicalarmsrace.44.Whatcanbeinferredaboutthecurrentstateofcommercialquantumcomputingfromthetext?[A]Itiswidelyavailablebuttooexpensiveforeverydayconsumers.[B]Itiscurrentlyhinderedbyphysicalandtechnicallimitations.[C]Ithasbeensuccessfullyintegratedintothepharmaceuticalindustry.[D]Itisprimarilyusedbygovernmentsforcryptographicpurposes.45.Whatistheauthor'stoneinthefinalparagraphregardingtheriseofquantumcomputing?[A]Purelyoptimisticaboutthetechnologicalbreakthroughs.[B]Completelypessimisticaboutthegeopoliticalconsequences.[C]Cautiousandawareofthebroadersocietalimplications.[D]Indifferenttotheethicalconcernsofthearmsrace.Text2The"SlowLiving"movement,whichoriginatedinthelate20thcenturyasaprotestagainsttheopeningofaMcDonald'sinRome,hasevolvedintoacomprehensivelifestylephilosophy.Atitscore,slowlivingisnotaboutdoingeverythingatasnail'space;rather,itisaboutintentionality.Itadvocatesforadeliberateapproachtodailylife,encouragingindividualstosavorexperiences,connectwiththeircommunities,andprioritizewell-beingovermaterialacquisition.Inmodernsociety,thecultofefficiencyandtherelentlesspaceofdigitallifehaveledtowidespreadburnout.Theconstantbarrageofnotificationsandtheexpectationofimmediateresponseshaveerodedourabilitytofocusdeeply.Slowlivingproposesacounter-narrative:disconnectingfromthedigitalrealm,engaginginmindfulconsumption,andreclaimingleisuretime.Proponentsofthemovementoftenpractice"digitalminimalism,"settingstrictboundariesontheiruseoftechnologytofosterdeeperface-to-faceinteractions.Criticsoftheslowlivingmovementarguethatitisaluxuryreservedfortheprivileged.Theycontendthatindividualsstrugglingtomakeendsmeetdonothavetheluxuryto"slowdown"orpracticemindfulconsumption.Thiscritiquehighlightsavalidsocioeconomicdivide;indeed,theabilitytochooseaslowerpaceisoftenpredicatedonadegreeoffinancialsecurity.However,advocatescounterthatslowlivingisnotaboutbuyingexpensiveorganicfoodortakingunpaidsabbaticals.Itisfundamentallyaboutresourcefulness—cookingmealsfromscratch,repairingratherthanreplacing,andfindingjoyinfree,community-basedactivities.Thepsychologicalbenefitsofslowlivingareincreasinglysupportedbyscientificresearch.Studiesindicatethatchronicmultitasking,ahallmarkofmodernworkenvironments,impairscognitivefunctionandincreasesstresshormones.Bycontrast,single-taskingandmindfulness—thepillarsofslowliving—havebeenshowntoenhanceemotionalregulationandoveralllifesatisfaction.Furthermore,theenvironmentalimpactofaslower,moreintentionallifestyleissignificant.Byconsuminglessandvaluingdurabilityoverconvenience,practitionersofslowlivinginherentlyreducetheircarbonfootprint.Ultimately,slowlivingisapersonalrebellionagainstaculturethatequatesbusynesswithimportance.Itchallengesthenotionthatalifewell-livedismeasuredbythevolumeoftaskscompleted,proposinginsteadthatmeaningisfoundinthedepthofourexperiencesandthequalityofourrelationships.46.Accordingtothepassage,whatisthefundamentalprincipleoftheslowlivingmovement?[A]Livinglifeatamuchslowerphysicalpace.[B]Acquiringmorematerialpossessionsdeliberately.[C]Doingtaskswithintentionalityandprioritizingwell-being.[D]Disconnectingcompletelyfromalldigitaltechnologies.47.Howdocriticsrespondtotheslowlivingmovement?[A]Theybelieveitcauseswidespreadburnout.[B]Theyargueitisimpracticalforthosewithfinancialinsecurity.[C]Theythinkitistoofocusedondigitalminimalism.[D]Theyclaimitdamagestheglobaleconomy.48.Theauthorusesthephrase"cultofefficiency"toreferto:[A]areligiousgroupthatopposesmoderntechnology.[B]themodernobsessionwithspeedandproductivity.[C]aspecificcorporatemanagementstrategy.[D]theenvironmentalimpactoffast-pacedconsumerism.49.Whatdoestheauthorsuggestabouttheenvironmentalbenefitsofslowliving?[A]Itrequiresbuyingexpensiveorganicfood.[B]Itincreasestheindividual'scarbonfootprintsignificantly.[C]Itisachievedbytakingunpaidsabbaticals.[D]Itislinkedtoreducedconsumptionandvaluingdurability.50.Whatisthemainideaofthefinalparagraph?[A]Slowlivingrejectstheculturalbeliefthatbusynessequatestoameaningfullife.[B]Slowlivingisscientificallyproventoincreasecognitivefunction.[C]Alifewell-livedismeasuredbythevolumeoftaskscompleted.[D]TheslowlivingmovementbeganasaprotestinRome.Text3Bioluminescence,theproductionandemissionoflightbylivingorganisms,isoneofnature'smostfascinatingphenomena.Foundacrossadiversearrayofspecies,fromfirefliestodeep-seaanglerfish,thisbiologicalabilityservescriticalevolutionaryfunctionssuchasattractingprey,wardingoffpredators,andcommunicatingwithmates.Theunderlyingchemicalmechanismisremarkablyconsistentacrossdifferentspecies:itinvolvesalight-emittingmoleculecalledluciferinandanenzymecalledluciferase.Whenluciferinreactswithoxygen,catalyzedbyluciferase,itproduceslight,typicallyintheblueorgreenspectrum,whichtravelsfurthestthroughwater.Inthedeepocean,wheresunlightfailstopenetrate,bioluminescenceisnotmerelyaspectaclebutavitaltoolforsurvival.Thevampiresquid,forinstance,doesnotspewinktoescapepredators,asinkwouldbeinvisibleinthedark.Instead,itejectsacloudofglowingbioluminescentmucus,dazzlingpredatorsandallowingittoescape.Othermarineorganisms,likecertainspeciesofdinoflagellates,producelightwhenphysicallydisturbedbywavesorswimmingpredators.Thisisbelievedtofunctionasa"burglaralarm,"drawingtheattentionoflargerpredatorstothecreatureattackingthedinoflagellate.Beyonditsecologicalsignificance,bioluminescencehasrevolutionizedmodernbiomedicalresearch.Scientistshaveisolatedthegenesresponsibleforproducingluciferaseandhaveintroducedthemintobacteria,mice,andhumancells.Thistechnologyallowsresearcherstotagspecificgenesortracktheprogressionofdiseases,suchascancer,inreal-timewithinlivingorganisms.Byobservingtheemittedlight,scientistscanmonitorhowtumorsrespondtotreatmentswithouttheneedforinvasiveprocedures.51.Whatistheprimarypurposeofthefirstparagraph?[A]Toexplainthechemicalprocessofhoworganismsproducelight.[B]Todescribethediversespeciesthatliveinthedeepocean.[C]Toarguethatbioluminescenceismoreeffectivethansunlight.[D]Tointroducethebiologicalphenomenonofbioluminescenceanditsmechanism.52.Whydoesthevampiresquidusebioluminescentmucusinsteadofink?[A]Inkistoodifficulttoproduceinthedeepocean.[B]Inkwouldbeuselessinthedarkenvironmentofthedeepsea.[C]Themucuscontainshighlevelsofluciferin.[D]Bioluminescentmucusiseasiertoejectthanink.53.Howdoesthe"burglaralarm"functionindinoflagellates?[A]Ithidesthedinoflagellatesfromlargerpredators.[B]Itproducesachemicalthatpoisonstheattackingpredator.[C]Itattractslargerpredatorstoconsumetheattacker.[D]Itallowsthedinoflagellatestoswimawayquickly.54.Accordingtothetext,whyisbioluminescencevaluableincancerresearch?[A]Itallowsdoctorstocurecancerwithoutinvasiveprocedures.[B]Ithelpstracktheprogressionoftumorsinrealtime.[C]Itproducesbluelightthatdestroyscancercells.[D]Itisolatesthegenesresponsibleforcancer.55.Whatisthemainfocusofthepassage?[A]Theecologicalbenefitsofmarinelife.[B]Thechemicalisolationofluciferinandluciferase.[C]Thebiologicalfunctionsandapplicationsofbioluminescence.[D]Thedeep-seasurvivaltacticsofthevampiresquid.Text4Thephilosophyofstoicism,foundedinancientGreece,hasexperiencedaresurgenceinmodernpopularculture.Promotedbycontemporaryauthorsandentrepreneurs,modernstoicismisoftenmarketedasaproductivityhack—atooltoenhancefocus,buildresilience,andachieveprofessionalsuccess.However,thiscommercializedversionofstoicismoftenstripsthephilosophyofitsoriginalethicaldepth,reducingittoameremechanismforemotionalsuppressionintheworkplace.Ancientstoics,suchasEpictetusandMarcusAurelius,didnotadvocateforthesuppressionofemotions.Instead,theyemphasizedtheimportanceofunderstandingthenatureofone'semotions.Thecorestoicprincipleisthedichotomyofcontrol:recognizingwhatiswithinourpower(ourthoughts,actions,andbeliefs)andwhatisnot(externalevents,theopinionsofothers,andoutcomes).Truestoicisminvolvesacceptingwhatwecannotcontrolandtakingfullresponsibilityforourinternalresponses.Itisnotaboutfeelingnothing;itisaboutnotbeingenslavedbyone'spassions.Moderninterpretations,however,oftenmisconstruethisdichotomyasanexcuseforpassivityorenduranceoftoxicenvironments.Ifaworkerisfacingexploitation,asuperficialreadingofstoicismmightsuggesttheyshouldsimply"endure"thehardshipwithoutcomplaint,asitisanexternaleventtheycannotcontrol.Yet,truestoicphilosophywouldarguethatone'sinternalresponseincludestakingactiontoimproveone'ssituationorleavingtheharmfulenvironment.Acceptancedoesnotequatetoresignation.Furthermore,theancientstoicsplacedaprofoundemphasisontheconceptofthe"Cosmopolis"—theideathatallhumanbeingsshareacommonrationalityandbelongtoasingleglobalcommunity.Thiscosmopolitanidealdemandscivicduty,empathy,andjustice.Modernstoicism'sfocusonindividualachievementandpersonalproductivityoftenentirelyneglectsthissocialandethicaldimension.56.Whatisthemaincriticismtheauthorhasofmodernstoicism?[A]Itistoodifficulttounderstandandapplyindailylife.[B]ItfocusestoomuchonancientGreekhistory.[C]Itpromotesemotionalsuppressionandignoressocialethics.[D]Itisineffectiveforachievingprofessionalsuccess.57.Accordingtoanc