2026年英语六级听力真题

2026年英语六级听力真题汇总PartIListeningComprehension(30minutes)SectionADirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions1to4arebasedontheconversationyouhavejustheard.ConversationOneW:Goodmorning,ProfessorMiller.Thankyouforagreeingtoseeme.Iknowyouareextremelybusywiththedepartmentheadsearchthisweek.M:Goodmorning,Sarah.It’snotrouble.Ialwayshavetimeformystudents,especiallythoseworkingonpromisingthesistopics.Howistheresearchon"UrbanHeatIslandsandGreenArchitecture"comingalong?W:That’sactuallywhatIwantedtodiscuss.I’vebeenanalyzingthetemperaturedatawecollectedfromthedowntowndistrictversusthenewresidentialparkareaoverthelastsixmonths.Theresultsare...well,they’reabitmorecomplexthantheliteraturesuggested.M:Inwhatway?Didthevegetationfailtolowertheambienttemperatureasexpected?W:Onthecontrary.Thecoolingeffectwassignificantduringtheday.However,Inoticedapeculiaranomalyatnight.Theparkarearetainedheatlongerthantheconcretejungleareas,whichseemscounterintuitive.Ithoughtthethermalmassofconcretewouldholdheatlonger.M:Thatisaninterestingobservation.Itsoundslikeyoumightbewitnessingthe"UrbanCanyonEffect"interactingwithspecifichumiditylevels.Haveyoufactoredintheevapotranspirationratesoftheplantsyouselected?W:Partially.IusedthestandardevapotranspirationformulaETM:Thatisadistinctpossibility.Highcanopyresistancereducesevapotranspiration,whichdiminishesthecoolingeffect.Ifthemoistureisn'treleasedintotheair,thelatentheatfluxdecreases.Iwouldrecommendlookingintothestomatalconductanceofthosespecificferns.W:Isee.Thatwouldexplainwhythetemperaturedidn'tdropasrapidlyatnight.Theheatisn'tbeingdissipatedthroughthewatercycleeffectively.M:Exactly.Also,considerthegeometryofthepark.Ifitisrecessedorsurroundedbytallbuildings,itmightbetrappingwarmairthatrisesfromthesurroundingasphaltduringtheday,creatingamicro-bubble.W:Thatmakessense.So,formythesisdefense,shouldIfocusonthelimitationsofstandardvegetationmodelsinhigh-densityenvironments?M:Yes,butdon'tjustpresentlimitations.Usethisdatatoproposeamodifiedzoningstrategyforgreenspaces.Ifwecanprovethatplantselectionandparkgeometryareascriticalasthemerepresenceofgreenspace,yourpaperwillhavesignificantpracticalimplicationsforcityplanning.W:That’sagreatdirection.I’llstartreworkingthesimulationmodelsimmediately.M:Good.SendmethereviseddraftbynextFriday.Wecanreviewtheequationsbeforeyousubmitthefinalchapter.Questions:1.Whatisthewomanmainlyresearching?2.Whatsurprisedthewomanaboutherresearchfindings?3.Whatdoestheprofessorsuggestisthelikelycauseoftheanomaly?5.Whatdoestheprofessoradvisethewomantodoforherthesisdefense?Questions5to8arebasedontheconversationyouhavejustheard.ConversationTwoM:Hi,Jenny.IheardyoujustgotbackfromthetechnologysummitinTokyo.Howwasit?W:Itwasintense,Mark.Absolutelymind-blowing.WewerediscussingtheethicalimplicationsofthenewgenerationofgenerativeAImodels.Theconsensusisthatweareapproachingacriticaljuncture.H:Acriticaljuncture?Becauseofthecapabilities?W:Partly.It’sabouttheenergyconsumption.Youknow,trainingasinglelargelanguagemodelcanemitasmuchcarbonasfivecarsintheirlifetimes.Butthesummitfocusedmoreonthe"blackbox"problemindecision-makingalgorithmsusedinfinanceandhealthcare.M:The"blackbox"problem—youmeanwheretheAImakesadecision,butwecan'ttracethelogicpathitusedtogetthere?W:Precisely.ImagineanAIdeniesaloanapplicationorsuggestsamedicaltreatment,butthedeveloperscannotexplainwhy.Thatisahugeregulatoryliability.TheEUisalreadydraftingthe"AIAct,"whichwillrequiretransparencylevelsthatcurrentmodelssimplydon'tpossess.M:So,whatwasthesolutionproposed?Arewegoingtohavetoabandondeeplearning?W:Notabandon,butadapt.Thereisastrongpushtowards"ExplainableAI"orXAI.Theideaistobuildasecondary,interpretablemodelthatmimicsthebehaviorofthecomplex"blackbox"model.M:Thatsoundslikeaworkaround.Doesitactuallywork?W:Ithaspotential,butit’scomputationallyexpensive.Youessentiallyhavetoruntwomodels.However,Dr.Arisakapresentedafascinatingalternative.Hesuggestedusingneuralsymbolicintegration—combiningneuralnetworkswithsymboliclogic.Thisallowsthesystemtolearnfromdatalikeaneuralnetworkbutreasonusingruleslikeatraditionalprogram.M:So,itgetsthebestofbothworlds?ThepatternrecognitionofAIandthetransparencyofcode?W:Exactly.Ifadiagnosisismade,thesymboliclayercanpointtothespecificruleorlogicbranchthatwastriggered,makingitauditable.Thechallengeisthatprogrammingthesehybridsystemsisincrediblydifficultandrequiresahybridskillsetthatmostcurrentengineersdon'thave.M:Itsoundsliketheindustryisgoingtoneedalotofretraining.W:Wedo.Andfast.Thesummitconcludedthatifwedon'tsolvetheinterpretabilityissuewithinthenextthreeyears,governmentswilllikelyimposeamoratoriumonAIdeploymentincriticalsectors.M:That’sascarythought.IguessIshouldstartreadinguponsymboliclogic.W:Icansendyoutheconferenceproceedings.It’saheavyread,butit’sdefinitelythefutureofthefield.Questions:5.Whatwasthemainfocusofthetechnologysummit?6.Whatisthe"blackbox"problemmentionedbythewoman?7.Whatisneuralsymbolicintegration?8.Whatdoesthewomanimplywillhappenifinterpretabilityisn'timproved?SectionBDirections:Inthissection,youwillheartwopassages.Attheendofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions9to11arebasedonthepassageyouhavejustheard.PassageOneTheconceptof"BlueEconomy"hasgainedsignificanttractionoverthepastdecade,movingbeyondthetraditionalviewofoceansmerelyasasourceoffishorarouteforshipping.TheBlueEconomyemphasizesthesustainableuseofoceanresourcesforeconomicgrowth,improvedlivelihoods,andjobswhilepreservingthehealthofoceanecosystems.However,acriticalpillarofthiseconomyisoftenoverlooked:offshorerenewableenergy.Whilewindandsolarenergydominatetheland-basedrenewablemarket,theoceanoffersvast,untappedpotential.Offshorewindfarmsarebecomingincreasinglycommon,especiallyintheNorthSea.Buttherealgame-changerliesinwaveandtidalenergy.Unlikewindorsolar,wavesandtidesarehighlypredictableandconsistent.Tidesaregovernedbygravitationalforces,makingthemasreliableasclockwork.Thispredictabilityallowsforeasierintegrationintonationalpowergrids,reducingtheneedforexpensivebackupstoragesolutions.However,harnessingthispowerisnotwithoutchallenges.Themarineenvironmentisharsh.Saltwateriscorrosive,andstormscanbedevastating.Engineeringequipmentthatcansurvivetheseconditionsfordecadeswithoutrequiringfrequentmaintenanceisamassivetechnicalhurdle.Furthermore,thereareecologicalconcerns.Underwaterturbinescanposeathreattomarinelife,particularlynavigationforwhalesanddolphins.Tomitigatethis,newtechnologiesareemploying"slowrevolution"turbinesthatspinatspeedssafeenoughformarineanimalstopassthroughunharmed.Investmentinthissectorisgrowing,butitstilllagsbehindotherrenewables.Thelevelizedcostofenergyfortidalpoweriscurrentlyhigherthanforwindorsolar.Yet,astechnologymaturesandeconomiesofscalekickin,costsareexpectedtodrop.TheInternationalEnergyAgencyprojectsthatoceanenergycouldprovideover10%oftheworld'selectricitydemandby2050,butthisrequiresconsistentpolicysupportandinnovationtoday.ThetransitiontoaBlueEconomyisnotjustanenvironmentalnecessity;itrepresentsanewindustrialfrontier.Questions:9.Accordingtothepassage,whatisamajoradvantageoftidalenergycomparedtowindandsolar?10.Whatisthemaintechnicalchallengeforoffshorerenewableenergy?11.Whatdoesthepassagesuggestregardingthefuturecostoftidalpower?Questions12to15arebasedonthepassageyouhavejustheard.PassageTwoInthemid-20thcentury,theintroductionofthetelevisionwasfearedbymanyeducatorsandparents.Theybelieveditwoulddestroychildren'sattentionspansandreplacereadingwithpassiveconsumption.Historyisnowrepeatingitselfwiththeadventofsmartphonesandsocialmedia,buttheconsequencesarearguablymoreprofoundduetotheinteractiveandpersonalizednatureofthetechnology.Recentstudiesincognitiveneurosciencehaveshedlightonhowdigitalmultitaskingaffectsthebrain.Whenweconstantlyswitchbetweentasks—checkinganemail,thenatext,thenanewsfeed—wearenotactuallymultitasking.Thebraindoesnotprocessmultiplestreamsofinformationsimultaneously;rather,itrapid-taskswitches.Thisconstantswitchingcomeswithacognitivecost.Researcherscallit"attentionresidue."Everytimeyoushiftyourfocus,aportionofyourcognitiveresourcesremainsstuckontheprevioustask.Thismeansyouareneveroperatingat100%efficiencyonthecurrenttask.Moreover,thedesignofmodernappsexploitsthebrain'sdopaminesystem.Variablerewardschedules—similartoslotmachines—keepusersscrollinginanticipationofthenext"like"orinterestingpost.Thiscreatesacompulsionloopthatisdifficulttobreak,leadingtowhatsomepsychologistscall"popcornbrain,"wherethebrainbecomesaccustomedtoconstant,high-frequencystimulationandfindstheslowerpaceofreallifeordeepworkboring.Theimpactoneducationistangible.Studentsreportfeelingunabletofocusonlong-formreadingorcomplexmathematicalproblemsforextendedperiods.However,thesolutionisnotnecessarilyatotalabstinencefromtechnology,whichisunrealisticinthemodernworld.Instead,expertssuggest"digitalhygiene."Thisinvolvessettingspecificboundaries,suchasturningoffnotificationsduringstudyhoursorusingappsthatrequirea"waittime"betweenopeningsocialmediaplatforms.Bytrainingourbrainstotolerateboredomandtofocusonsingletasks,wecanbegintoreversethecognitivechangesinducedbyexcessivescreentime.Thebrainisremarkablyneuroplastic,andwithdiscipline,itcanrelearntheartofdeepfocus.Questions:12.Howdoesthespeakercomparetheimpactoftelevisiontothatofsmartphones?13.Accordingtothepassage,whatis"attentionresidue"?14.Whydomodernappscreatea"compulsionloop"?15.Whatisthespeaker'ssuggestedsolutiontotheproblemofdigitaldistraction?SectionCDirections:Inthissection,youwillhearthreerecordingsoflecturesortalks.Attheendofeachrecording,youwillhearfourorfivequestions.Boththerecordingandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions16to19arebasedontherecordingyouhavejustheard.LectureOneGoodmorning,class.Todaywecontinueourexplorationofbehavioraleconomicsbydivingintotheconceptof"HyperbolicDiscounting."Inclassicaleconomictheory,humansareviewedasrationalagentswhomakeconsistentdecisionsovertime.Weassumethatadollartodayisworthmorethanadollartomorrow,butthispreferenceisconsistent.Ifyouprefer100todHowever,realhumanbehaviorrarelyfollowsthismodel.Wetendtovalueimmediaterewardsmuchmorehighlythanfuturerewards,evenifthefuturerewardissignificantlylarger.ThisisHyperbolicDiscounting.Thediscountcurveissteepatthepresentandflattensoutaswemovefurtherintothefuture.Thisexplainswhypeoplemightchooseasmallerdessertnowratherthanahealthierbodynextyear,yetwhenplanningfornextyear,theychoosethehealthyoptionoverthedessert.Thisphenomenonhasprofoundimplicationsforpublicpolicy,particularlyintheareasofretirementsavingsandhealthcare.Weknowweshouldsavemoneyforthefuture,butthe"PresentSelf"wantstospendthatmoneyonavacationnow.The"FutureSelf"isabstractandfeelslikeastranger.Tocombatthis,economistsRichardThalerandShlomoBenartziproposedtheconceptof"SaveMoreTomorrow."Theideaistoaskpeopletocommitnowtoincreasingtheirsavingsrateinthefuture.Sincethelossofincomeisinthefuture,thePresentSelfdoesn'tfeelthepain,buttheFutureSelfwillbenefit.Additionally,bylinkingthesavingsincreasetofuturepayraises,thelossisneverfeltasadecreaseintake-homepay.Anotherapplicationisinhealthnudges.Weoftenprocrastinateonjoiningagymorstartingadiet.Byofferingimmediaterewardsforhealthybehavior—likepointsordiscountsthatcanbeusedrightnow—wealigntheimmediategratificationofthePresentSelfwiththelong-termgoalsoftheFutureSelf.Understandingtheconflictbetweenthesetwoselvesiscrucialfordesigningpoliciesthatactuallywork.Questions:16.Whatisthemaintopicofthelecture?17.HowdoesHyperbolicDiscountingdifferfromExponentialDiscounting?18.Whatisthe"SaveMoreTomorrow"programdesignedtoaddress?19.Whydoesthespeakersuggestofferingimmediaterewardsforhealthybehavior?Questions20to22arebasedontherecordingyouhavejustheard.LectureTwoWelcometotheMuseumofNaturalHistory'sserieson"AncientCivilizations."Today,weturnourgazetotheIndusValleyCivilization,whichthrivedaround2600BCEinwhatisnowmodern-dayPakistanandnorthwestIndia.WhatmakestheIndusValleyCivilizationfascinatingtoarchaeologistsisnotjustitssize,whichwascomparabletocontemporarycivilizationsinEgyptandMesopotamia,butitsremarkableurbanplanningandthemysterysurroundingitsdecline.Unlikethechaoticstreetsoftenfoundinancientcities,themajorcitiesofMohenjo-daroandHarappawerelaidoutinaprecisegridpattern.Theyhadsophisticateddrainageandsewagesystemsthatwerearguablysuperiortothosefoundinmanymoderncitiesintheregionuntilthe19thcentury.Houseshadbathroomsandtoiletsthatconnectedtocoveredbricksewers.Thislevelofsanitationsuggestsahighlycentralizedauthoritywiththepowertoenforceurbanplanningregulations.However,oneoftheenduringpuzzlesisthescript.Wehavefoundthousandsofinscriptionsonseals,pottery,andcoppertablets,buttheIndusscriptremainsundeciphered.UnlikeEgyptianhieroglyphsorSumeriancuneiform,welackabilingualtext—a"RosettaStone"—tohelpuscrackthecode.Thismeansweknowverylittleabouttheirpoliticalsystem,theirbeliefs,oreventhenamesoftheirkingsorgods.Thedeclineofthecivilizationisalsoasubjectofintensedebate.EarliertheoriessuggestedinvasionbyAryanpeoples,butmodernarchaeologicalevidencepointsmoretowardsenvironmentalfactors.Climatechangeappearstohaveplayedasignificantrole.TheGhaggar-Hakrariversystem,whichthecivilizationdependedon,likelydrieduporchangedcourseduetotectonicshiftsorprolongeddroughts.Additionally,thereisevidenceofoveruseofnaturalresources,suchasdeforestationforfueltomakebricks,whichmayhavedegradedthelocalenvironment.Itservesasapotentreminderofthefragilityofcivilizationsinthefaceofecologicalshifts.Questions:20.WhataspectoftheIndusValleyCivilizationdoesthespeakeremphasizefirst?21.Whatdoesthesophisticateddrainagesystemimplyaboutthecivilization?22.WhyistheIndusscriptstillundeciphered?Questions23to25arebasedontherecordingyouhavejustheard.LectureThreeIntheworldofmodernmusicproduction,theconceptof"LoudnessWar"hasbeenacontentioustopicforthepasttwodecades.TheLoudnessWarreferstothetrendofincreasingtheloudnessofrecordedmusicovertime,primarilytomaketracksstandoutmoreonradioand,later,onstreamingplatforms.Tounderstandthis,weneedtolookatthedifferencebetween"dynamicrange"and"peakloudness."Dynamicrangeisthedifferencebetweenthequietestandloudestpartsofasong.Awidedynamicrangeallowsforemotionalimpact;thequietpartsdrawyouin,andtheloudpartsreleasethetension.Inthepast,engineersusedthisrangeeffectively.However,asdigitaltechnologyadvanced,producersbeganusing"compression"toreducethedynamicrange.Compressionreducesthevolumeoftheloudestparts,allowingtheoverallvolumeofthetracktobeturnedupwithoutcausingdistortionor"clipping"atthepeak.Bysquashingthedynamics,theperceivedloudnessincreases.Thelogicissimple:whenaconsumerisskippingthroughsongs,aloudertrackgrabsattentionimmediately.Itsounds"better"andmoreexcitingonafirstlistencomparedtoaquieter,moredynamictrack.However,thereisaheavypricetopay.Whenyoucompressatrackheavily,youlosethe"punch"andthenuance.Themusicbecomesfatiguingtotheear;it’slikesomeoneshoutingatyouforthreeminutes.Thereisnoebbandflow.Interestingly,intheclassicalera,composersusedsilenceandsoftnotestocreatestructure.IntheLoudnessWarera,silenceisoftenseenaswastedspace.Recently,therehasbeenapushbackagainstthistrend.StreamingserviceslikeSpotifyandAppleMusichaveintroduced"normalization"algorithms.Theseturndownloudtracksandturnupquietonestoastandardvolumelevel,effectivelynegatingtheadvantageofbeingtheloudestontheplatform.Thishasencouragedsomemodernartiststoreleasemusicwithmoredynamicrangeagain,aimingforqualityoversheervolume.ItmarksapotentialendtotheLoudnessWar,returningfocustotheartofmixingandmasteringratherthanthescienceofmaximizingpeakdecibels.Questions:23.Whatisthemaingoalofthe"LoudnessWar"accordingtothespeaker?24.Howdoescompressionincreasetheperceivedloudnessofatrack?25.WhatrecentdevelopmenthashelpedcounteracttheLoudnessWar?答案及详细解析PartIListeningComprehensionSectionAConversationOne1.Whatisthewomanmainlyresearching?答案：A)Theimpactofgreenarchitectureonurbantemperatures.解析：对话开头女士提到她的论文题目是"UrbanHeatIslandsandGreenArchitecture"（城市热岛与绿色建筑），并且正在分析市中心和新住宅公园区的温度数据。虽然对话中提到了植物和湿度，但这些都是为了研究建筑和绿化对温度的影响。2.Whatsurprisedthewomanaboutherresearchfindings?答案：C)Theparkarearetainedheatlongeratnight.解析：女士提到"However,Inoticedapeculiaranomalyatnight.Theparkarearetainedheatlongerthantheconcretejungleareas..."（然而，我注意到晚上有一个奇怪的异常现象。公园区域比混凝土区域保持热量的时间更长）。这与她认为混凝土热容量更大的直觉相反。3.Whatdoestheprofessorsuggestisthelikelycauseoftheanomaly?答案：B)Highcanopyresistanceoftheplants.解析：教授在听完女士关于蒸散发公式的描述后，指出"Highcanopyresistancereducesevapotranspiration,whichdiminishesthecoolingeffect."（高冠层阻力会减少蒸散发，从而降低冷却效应）。这解释了为什么公园在晚上没有像预期那样冷却下来。4.Whatdoestheprofessoradvisethewomantodoforherthesisdefense?答案：D)Proposeamodifiedzoningstrategyforgreenspaces.解析：对话末尾，教授建议女士不要只展示局限性，而是利用数据提出"amodifiedzoningstrategyforgreenspaces"（针对绿地的修正分区策略）。他认为如果能证明植物选择和公园几何形状与绿地本身同样重要，她的论文将具有实际意义。ConversationTwo5.Whatwasthemainfocusofthetechnologysummit?答案：B)TheethicalimplicationsofgenerativeAI.解析：对话开始，女士明确提到"WewerediscussingtheethicalimplicationsofthenewgenerationofgenerativeAImodels."（我们正在讨论新一代生成式AI模型的伦理影响）。虽然能源消耗和黑盒问题是具体议题，但它们都属于伦理和监管的范畴。6.Whatisthe"blackbox"problemmentionedbythewoman?答案：A)TheinabilitytotracethelogicbehindAIdecisions.解析：女士解释道，"blackbox"指的是"AImakesadecision,butwecan'ttracethelogicpathitusedtogetthere"（AI做出了决定，但我们无法追溯其得出结果的逻辑路径）。这导致了监管上的责任风险。7.Whatisneuralsymbolicintegration?答案：C)Ahybridsystemcombiningneuralnetworkswithlogicrules.解析：女士介绍Dr.Arisaka提出的"neuralsymbolicintegration"时说，它是"combiningneuralnetworkswithsymboliclogic"（将神经网络与符号逻辑结合）。这种系统既有数据学习能力，又有基于规则的推理能力。8.Whatdoesthewomanimplywillhappenifinterpretabilityisn'timproved?答案：D)GovernmentsmaybanAIincriticalsectors.解析：女士在结尾提到，"ifwedon'tsolvetheinterpretabilityissuewithinthenextthreeyears,governmentswilllikelyimposeamoratoriumonAIdeploymentincriticalsectors."（如果我们不解决可解释性问题，政府可能会在关键领域暂停AI部署）。Moratorium意为暂停或禁止。SectionBPassageOne9.Accordingtothepassage,whatisamajoradvantageoftidalenergycomparedtowindandsolar?答案：A)Itishighlypredictableandconsistent.解析：文章明确指出"Unlikewindorsolar,wavesandtidesarehighlypredictableandconsistent."（与风能和太阳能不同，波浪和潮汐是高度可预测且一致的）。文章还提到潮汐受引力控制，像时钟一样可靠。10.Whatisthemaintechnicalchallengeforoffshorerenewableenergy?答案：B)Survivingtheharshandcorrosivemarineenvironment.解析：文章提到"Themarineenvironmentisharsh.Saltwateriscorrosive,andstormscanbedevastating."（海洋环境很恶劣。盐水有腐蚀性，风暴可能是毁灭性的）。制造能够在这种环境下长期生存的设备是一个巨大的技术障碍。11.Whatdoesthepassagesuggestregardingthefuturecostoftidalpower?答案：C)Itisexpectedtodecreaseastechnologymatures.解析：文章提到"Thelevelizedcostofenergyfortidalpoweriscurrentlyhigher...Yet,astechnologymaturesandeconomiesofscalekickin,costsareexpectedtodrop."（目前成本较高，但随着技术成熟和规模经济，成本预计会下降）。PassageTwo12.Howdoesthespeakercomparetheimpactoftelevisiontothatofsmartphones?答案：D)Theconsequencesofsmartphonesaremoreprofound.解析：文章开头提到，20世纪人们担心电视，"Historyisnowrepeatingitselfwiththeadventofsmartphones...buttheconsequencesarearguablymoreprofoundduetotheinteractiveandpersonalizednatureofthetechnology."（历史在重演，但后果可以说更深远，因为智能手机具有互动性和个性化）。13.Accordingtothepassage,whatis"attentionresidue"?答案：A)Cognitiveresourcesremainingstuckonaprevioustask.解析：文章解释道，"Everytimeyoushiftyourfocus,aportionofyourcognitiveresourcesremainsstuckontheprevioustask.Thismeansyouareneveroperatingat100%efficiency...Researcherscallit'attentionresidue.'"（每次转移注意力，一部分认知资源仍停留在上一项任务上。研究者称之为“注意力残留”）。14.Whydomodernappscreatea"compulsionloop"?答案：B)Theyexploitthebrain'sdopaminesystemwithvariablerewards.解析：文章提到"Variablerewardschedules—similartoslotmachines—keepusersscrolling...Thiscreatesacompulsionloop..."（可变奖励计划——类似于老虎机——让用户不断滚动……这创造了一种强迫循环）。这利用了大脑的多巴胺系统。15.Whatisthespeaker'ssuggestedsolutiontotheproblemofdigitaldistra