2025考研英語真題沖刺押題卷考試時間：______分鐘總分：______分姓名：______一、完形填空閱讀下面的文章，文中有十個空白，每個空白有四個選項。根據(jù)文章內(nèi)容，在每個空白處選擇一個最佳選項，并在答題卡上將該項涂黑。Therapidadvancementofartificialintelligence(AI)hassparkedintensedebatesacrossvarioussectors,witheducationbeingnoexception.ProponentsarguethatAIcanrevolutionizelearningbyprovidingpersonalizedexperiences,automatingmundanetasks,andofferinginstantfeedback.However,criticsraiseconcernsaboutthepotentialerosionofcriticalthinkingskills,thedigitaldivide,andtheethicalimplicationsofrelyingonmachinesforcognitivetasks.NavigatingthiscomplexlandscaperequiresabalancedapproachthatharnessesAI'sbenefitswhilemitigatingitsrisks.Forinstance,AI-poweredtutoringsystemscananalyzeastudent'sperformanceandtailorlessonstotheirspecificneeds,potentiallyaddressinggapsinunderstandingmoreeffectivelythantraditionalmethods.Thesesystemscanalsofreeupeducatorstofocusonhigher-ordertasks,suchasmentoringandfosteringcreativity.Yet,theoverrelianceonsuchtoolsmightleadtopassivelearning,wherestudentsfailtoengageindeep,independentthought.ItiscrucialtoensurethatAIcomplements,ratherthanreplaces,humaninteractionintheclassroom.Anothersignificantconcernisthedigitaldivide.AccesstoAItechnologiesisnotevenlydistributed,whichcouldexacerbateeducationalinequalities.Studentsfromdisadvantagedbackgroundsmightbeleftbehindifschoolsandfamiliescannotaffordthenecessarydevicesandinternetconnectivity.Toaddressthis,policymakersmustprioritizeequitableaccesstotechnologyandensurethatAItoolsaredesignedwithinclusivityinmind.Furthermore,theethicaluseofAIineducationdemandscarefulconsideration.Issuessuchasdataprivacy,algorithmicbias,andthepotentialdisplacementofteachersneedtobeaddressedproactively.TransparencyinhowAIsystemsmakedecisionsisessentialtobuildtrustandensurefairness.AsAIcontinuestoevolve,educators,students,andpolicymakersmustcollaboratetoshapeitsroleinthefutureoflearning,fosteringanenvironmentwheretechnologyservesasatoolforenhancement,notdomination.1.Theword"sparked"inthefirstparagraphisclosestinmeaningtoA.ignitedB.suppressedC.analyzedD.ignored2.Accordingtoproponents,AIineducationcanbringaboutA.uniformityinlearningexperiencesB.increasedrelianceontraditionalmethodsC.personalizedandefficientlearningD.areductionineducationalinequalities3.Whatisthemainideaofthesecondparagraph?A.AItutoringsystemscancompletelyreplacehumanteachers.B.AIcanenhanceeducationbutmayleadtopassivelearning.C.AI-poweredtoolsareunnecessaryinmoderneducation.D.EducatorsshouldavoidusingAIaltogether.4.Thephrase"erodingcriticalthinkingskills"inthefirstparagraphmostlikelyreferstoA.developingproblem-solvingabilitiesB.weakeninganalyticalthoughtprocessesC.enhancingmemoryretentionD.fosteringcollaborativeskills5.Whatdoesthepassagesuggestaboutthedigitaldivideineducation?A.Itnolongerexistsduetowidespreadtechnologyaccess.B.Itisaminorconcerncomparedtootherissues.C.ItmayworsenifaccesstoAItechnologiesisuneven.D.Itprimarilyaffectsstudentsinurbanareas.6.Theword"mitigating"inthefirstparagraphisbestunderstoodasA.increasingB.understandingC.reducingD.ignoring7.Accordingtothepassage,whatisapotentialbenefitofAI-poweredtutoringsystems?A.Theyensureallstudentslearnatthesamepace.B.Theycanidentifyandaddressindividuallearninggaps.C.Theyeliminatetheneedforhumanteachers.D.Theyprimarilyfocusonrotememorization.8.ThepassageimpliesthatforAItobebeneficial,itshouldA.replaceallhumaninteractionineducationB.beusedalongsidetraditionalteachingmethodsC.bethesolefocusofeducationalpolicyD.beexclusivelydesignedforwealthyschools9.WhatisakeyethicalconcernraisedaboutAIineducation?A.ItshighcostofdevelopmentB.DataprivacyandalgorithmicbiasC.ItspotentialtoreducejobopportunitiesD.Itsinabilitytoprovidepersonalizedfeedback10.ThepassagesuggeststhatthefutureofAIineducationdependsonA.technologicaladvancementsaloneB.theabilitytoaddressethicalandequitableissuesC.reducingthenumberofhumanteachersD.increasingthedigitaldivide二、閱讀理解閱讀下面的三篇短文，回答問題。有些題目可能需要根據(jù)文章內(nèi)容寫一個或幾個單詞的答案，有的題目需要寫一個句子的答案。將答案寫在答題卡相應(yīng)的位置上。Passage1Theconceptof"hygge"(pronouncedhoo-gah),aDanishwordthattranslatesroughlytocozinessorcomfort,hasgainedsignificanttractiongloballyinrecentyears.OriginatingfromNordicculture,hyggeemphasizestheimportanceofcreatingawarm,invitingatmospheretofosterwell-beingandhappiness.Itgoesbeyondmerephysicalcomfort,encompassingaholisticapproachtolifethatvaluessimplicity,togetherness,andmindfulness.Proponentsarguethatembracinghyggeprinciplescanhelpcombatstress,enhancesocialconnections,andimproveoverallqualityoflife.Oneofthecoretenetsofhyggeisthecelebrationofthesmallmoments.Whetherit'senjoyingacupofhotcocoabythefireplace,havingaheartfeltconversationwithafriend,orsimplybaskingintheglowofcandles,hyggeencouragesindividualstosavorthesimplepleasuresinlife.Thisfocusonmindfulnessandpresenceallowspeopletoappreciatethepresentmoment,reducinganxietyaboutthepastorfuture.Furthermore,hyggepromotesinclusivityandcommunalliving,encouragingpeopletogatherwithlovedonesandcreatesharedexperiencesthatstrengthenbonds.Theriseofhyggeasaglobalphenomenoncanbeattributedtoseveralfactors.Increasedawarenessofmentalhealthissuesandthedesireforwork-lifebalancehaveledmanytoseekalternativewaystoenhancetheirwell-being.Additionally,theglobalizednatureofmodernsocietyhasfacilitatedthespreadofculturalideas,allowingconceptslikehyggetotranscendgeographicalboundaries.Socialmediaplatformshaveplayedasignificantroleinpopularizinghygge,withinfluencerssharingphotosandvideosofcozyspacesandhygge-inspiredactivities.Asaresult,thetermhasenteredeverydaylanguage,anditsprincipleshavebeenadoptedbypeopleworldwide.11.Whatisthemainideaofthepassage?A.HyggeisaDanishwordforacozylifestylethatpromoteswell-being.B.GlobalizationhasledtothedeclineoftraditionalNordicculture.C.Mentalhealthissuescanbesolvedbyadoptinghyggeprinciples.D.Socialmediaistheprimaryreasonforthepopularityofhygge.12.Accordingtothepassage,whatisakeyaspectofhygge?A.Itinvolveselaboratedecorationsandexpensivefurnishings.B.Itfocusesonlargegatheringsandpubliccelebrations.C.Itemphasizesmindfulnessandtheappreciationofsimplemoments.D.ItrequiresstrictadherencetoDanishculturalnorms.13.Theword"tenets"inthesecondparagraphisclosestinmeaningtoA.practicesB.criticismsC.originsD.disadvantages14.Whatdoesthepassagesuggestabouttheglobalpopularityofhygge?A.Itisprimarilyatrendamongwealthyindividuals.B.Ithasbeendrivenbyfactorsrelatedtomentalhealthandculturalexchange.C.ItislimitedtopeoplewholiveinNordiccountries.D.Itisaresultofgovernment-sponsoredculturalinitiatives.15.ThepassageimpliesthathyggecanhelppeopleA.achievefinancialsuccessB.reducestressandenhancesocialconnectionsC.learnDanishlanguageskillsD.improveathleticperformancePassage2Therapiddevelopmentofrenewableenergytechnologieshasbeenhailedasacrucialsteptowardmitigatingclimatechangeandensuringenergysecurityforthefuture.Solarpower,windenergy,andhydroelectricityareamongthemostprominentformsofrenewableenergy,eachofferingdistinctadvantagesandchallenges.Solarpower,forinstance,harnessesthesun'senergythroughphotovoltaiccells,providingacleanandabundantsourceofpower.However,itsefficiencyishighlydependentonweatherconditionsandrequiressignificantlanduse.Windenergy,generatedbyconvertingwindcurrentsintoelectricity,hasseensubstantialgrowthinrecentyears,particularlyincoastalandmountainousregions.Whilewindfarmscanproducelargeamountsofenergy,theyoftenfaceoppositionduetoconcernsaboutnoisepollution,visualimpact,andpotentialharmtowildlife,suchasbirdsandbats.Hydroelectricity,althoughamatureandreliablesourceofrenewableenergy,reliesondamsandreservoirs,whichcanhavesignificantenvironmentalandsocialimpacts,includinghabitatdisruptionanddisplacementofcommunities.Despitethesechallenges,thetransitiontorenewableenergyisimperative.Fossilfuels,theprimarysourceofglobalenergyconsumption,arefiniteandcontributesignificantlytogreenhousegasemissionsandairpollution.Thelong-termcostsassociatedwithclimatechange,suchasextremeweatherevents,sea-levelrise,andresourcescarcity,poseaseverethreattoglobalstabilityandeconomicprosperity.Moreover,renewableenergytechnologiesarebecomingincreasinglycost-competitive,makingthemaviablealternativetotraditionalenergysources.16.Whatisthemainfocusofthepassage?A.Theenvironmentalimpactofwindenergy.B.Thechallengesandbenefitsofrenewableenergysources.C.Theeconomiccostsoftransitioningtorenewableenergy.D.Thehistoricaldevelopmentoffossilfuelenergy.17.Accordingtothepassage,whatisamajoradvantageofsolarpower?A.Itrequiresminimallanduse.B.Itishighlyefficientinallweatherconditions.C.Itisacleanandabundantenergysource.D.Itcanbeeasilystoredforlongperiods.18.Theword"mitigating"inthefirstparagraphisclosestinmeaningtoA.exacerbatingB.reducingC.harnessingD.utilizing19.Whatdoesthepassagesuggestabouthydroelectricity?A.Itisthemostefficientformofrenewableenergy.B.Ithasminimalenvironmentalandsocialimpacts.C.Itreliesonnaturalwatercyclestogeneratepower.D.Itoftenfacessignificantoppositionduetoitsinfrastructure.20.ThepassageimpliesthattransitioningtorenewableenergyisimportantbecauseA.itwillleadtohigherenergypricesB.fossilfuelsareafiniteandpollutingresourceC.renewableenergytechnologiesarenotyetadvancedenoughD.itprimarilybenefitsdevelopedcountriesPassage3Inrecentdecades,theconceptof"work-lifebalance"hasbecomeincreasinglycentraltodiscussionsaboutprofessionalwell-beingandpersonalfulfillment.Traditionally,theseparationofworkandpersonallifewasviewedasadesirablenorm,withcleardistinctionsbetweenofficehoursandtimeforfamily,hobbies,andrelaxation.However,theriseofthedigitalageandthephenomenonof"always-on"workculturehaveblurredtheseboundaries,makingitchallengingformanyindividualstomaintainahealthybalance.Theproliferationofsmartphonesandconstantconnectivityhasarguablymadeworkmoreaccessiblethaneverbefore.Whilethisflexibilitycanbebeneficial,italsocreatespressureforemployeestoremainavailableandresponsiveatalltimes,oftenleadingtolongerworkinghoursandincreasedstress.Theboundariesbetweenprofessionalandpersonallifehavebecomeincreasinglyporous,withwork-relatedcommunicationandtasksspillingintopersonaltimeandviceversa.Thishasresultedinaculturewhereproductivityisoftenequatedwithavailability,regardlessoftheimpactonwell-being.Toaddressthesechallenges,organizationsandindividualsareseekingnewwaystoredefineandachievework-lifebalance.Flexibleworkarrangements,suchasremotework,flextime,andcompressedworkweeks,offerpotentialsolutionsbyallowingemployeestobettermanagetheirschedulesandintegrateworkwithpersonalcommitments.Additionally,fosteringacompanyculturethatvaluesemployeewell-being,encouragesregularbreaks,andpromotestheseparationofworkandpersonaltimecanmakeasignificantdifference.Onanindividuallevel,settingclearboundaries,prioritizingself-care,anddevelopingstrategiestodisconnectfromworkareessentialformaintainingbalance.21.Whatisthemainideaofthepassage?A.Thedigitalagehasmadeitimpossibletoachievework-lifebalance.B.Work-lifebalanceisacomplexissueinfluencedbytechnologicalandculturalfactors.C.Flexibleworkarrangementsaretheonlysolutiontomodernworkchallenges.D.Employeesshouldprioritizeworkoverpersonallifetobesuccessful.22.Accordingtothepassage,whathascontributedtotheblurringofworkandpersonallife?A.Thedeclineoftraditionalofficeenvironments.B.Theriseofdigitaltechnologyandconstantconnectivity.C.Increasedgovernmentregulationsonworkinghours.D.Thegrowingemphasisonteam-basedwork.23.Theword"proliferation"inthesecondparagraphisclosestinmeaningtoA.reductionB.diversificationC.increaseD.improvement24.Whatdoesthepassagesuggestabouttheimpactofconstantconnectivityonemployees?A.Itleadstoincreasedjobsatisfactionandcareeradvancement.B.Itallowsformoreefficientworkandbetterpersonaltimemanagement.C.Itcreatespressureforemployeestoremainavailableatalltimes.D.Itreducestheneedforface-to-facecommunicationintheworkplace.25.Accordingtothepassage,whataresomestrategiesforachievingwork-lifebalance?A.Workinglongerhoursandbeingmoreavailable.B.Settingclearboundariesandprioritizingself-care.C.Relyingsolelyonflexibleworkarrangements.D.Focusingexclusivelyonpersonalhobbiesandactivities.三、翻譯閱讀下面的英文段落，將其翻譯成中文。不得使用詞典，翻譯應(yīng)準(zhǔn)確、完整、流暢。Therapiddevelopmentofartificialintelligence(AI)hasraisedbothhopesandconcernsamongthepublic.Ontheonehand,AIhasthepotentialtorevolutionizevariousindustries,fromhealthcareandtransportationtoentertainmentandeducation.Forinstance,inhealthcare,AI-powereddiagnostictoolscananalyzemedicalimageswithgreateraccuracyandspeedthanhumandoctors,potentiallyleadingtoearlierdetectionofdiseasesandmorepersonalizedtreatmentplans.Intransportation,self-drivingcarspromisetomakeroadssaferandmoreefficientbyreducinghumanerror.Similarly,AIcanenhancetheentertainmentexperiencebycreatingpersonalizedcontentandrecommendations,anditcanpersonalizelearningbyadaptingtoindividualstudentneedsineducation.Ontheotherhand,thewidespreadadoptionofAIalsoposessignificantchallengesandrisks.Onemajorconcernisthepotentialdisplacementofjobs,asAIsystemsbecomeincreasinglycapableofperformingtaskstraditionallydonebyhumans.WhilenewjobsmaybecreatedintheAIsector,thetransitioncouldresultinwidespreadunemploymentandeconomicdisruption.Additionally,thereareethicalconcernsregardingtheuseofAI,suchasissuesofprivacy,bias,andaccountability.Forexample,AIsystemsthatrelyonlargedatasetscanperpetuateexistingbiasesifthosedatasetsarenotcarefullycurated,leadingtounfairanddiscriminatoryoutcomes.Moreover,thelackoftransparencyinhowAIsystemsmakedecisionscanmakeitdifficulttoholdthemaccountablefortheiractions.ToharnessthebenefitsofAIwhilemitigatingitsrisks,itisessentialtodevelopandimplementresponsibleAIpoliciesandregulations.Governments,businesses,andresearchersmustcollaboratetoensurethatAIisdevelopedanddeployedinawaythatprioritizeshumanwell-being,fairness,andsafety.ThisincludesinvestinginAIeducationandtrainingprogramstohelpworkersadapttothechangingjobmarket,establishingclearguidelinesfordataprivacyandethicalAIuse,andfosteringpublicdialogueaboutthefutureofAI.Bytakingaproactiveandcollaborativeapproach,societycannavigatethecomplexitiesofAIandshapeitsfutureinapositivedirection.四、寫作Directions:Writeanessayof160-200wordsbasedonthefollowingdrawing.Inyouressay,youshouldfirstdescribethedrawing,thenexplainitsintendedmeaning,andfinallygiveyourownopinion.YoushouldwriteneatlyonANSWERSHEET2.(Donotwritethetitle.)試卷答案一、完形填空1.A解析：根據(jù)上下文，第一句提到“sparkedintensedebates”，意為“引發(fā)了激烈的爭論”，ignited（點燃）在此處表示引發(fā)、激起，與sparked意思最接近。suppressed（壓制）、analyzed（分析）、ignored（忽視）均不符合文意。2.C解析：第二句引用“proponentsarguethat...”，后面列舉了AI的優(yōu)點，即“personalizedexperiences,automatingmundanetasks,andofferinginstantfeedback”，這些都指向個性化、高效的學(xué)習(xí)，即C選項。A選項與proponents觀點相反；B選項為AI的潛在風(fēng)險；D選項與digitaldivide相關(guān)，非proponents觀點。3.B解析：第二段主要講述了AI的優(yōu)勢（個性化輔導(dǎo)、解放教師）以及潛在的弊端（可能導(dǎo)致被動學(xué)習(xí)）。B選項“AIcanenhanceeducationbutmayleadtopassivelearning”準(zhǔn)確概括了這一段的中心思想。A選項過于絕對；C選項未提及AI的弊端；D選項與文意相反。4.B解析：第一句提到“erodingcriticalthinkingskills”，結(jié)合上下文討論AI可能帶來的負(fù)面影響，eroding在此處意為“侵蝕、削弱”，結(jié)合criticalthinkingskills（批判性思維能力），指削弱批判性思維能力。A選項developingproblem-solvingabilities（發(fā)展解決問題的能力）與eroding相反；C選項enhancingmemoryretention（增強記憶保留）未在文中提及；D選項fosteringcollaborativeskills（培養(yǎng)協(xié)作能力）與eroding無關(guān)。5.C解析：第三段明確指出“thedigitaldivide...couldexacerbateeducationalinequalities”，意為“數(shù)字鴻溝可能加劇教育不平等”，C選項“它可能加劇如果不平等地獲得AI技術(shù)”與原文意思一致。A選項與原文相反；B選項原文未提及；D選項原文指出數(shù)字鴻溝可能影響城市和農(nóng)村地區(qū)，但C選項更全面。6.C解析：第一句提到“mitigatingitsrisks”，結(jié)合上下文討論如何處理AI的復(fù)雜性和風(fēng)險，mitigating在此處意為“減輕、緩和”。A選項increasing（增加）、B選項understanding（理解）、D選項ignoring（忽視）均不符合文意。7.B解析：第二段提到“AI-poweredtutoringsystemscananalyzeastudent'sperformanceandtailorlessonstotheirspecificneeds,potentiallyaddressinggapsinunderstandingmoreeffectivelythantraditionalmethods”，即AI輔導(dǎo)系統(tǒng)能分析學(xué)生表現(xiàn)，根據(jù)其具體需求定制課程，有效解決理解上的差距，B選項“它們可以識別并解決個人學(xué)習(xí)差距”與原文意思一致。A選項原文未提及；C選項原文未提及AI系統(tǒng)完全取代教師；D選項原文未提及AI系統(tǒng)主要關(guān)注死記硬背。8.B解析：根據(jù)第四段“AIcomplements,ratherthanreplaces,humaninteractionintheclassroom”，即AI應(yīng)補充而非取代課堂中的人際互動，B選項“它應(yīng)與傳統(tǒng)的教學(xué)方法一起使用”與原文意思一致。A選項與原文相反；C選項原文未提及；D選項原文未提及AI設(shè)計僅限于富裕學(xué)校。9.B解析：第四段提到“ethicalimplicationsofrelyingonmachinesforcognitivetasks”，并列舉了“dataprivacy,algorithmicbias”，即使用機器進(jìn)行認(rèn)知任務(wù)帶來的倫理問題，包括數(shù)據(jù)隱私和算法偏見，B選項“數(shù)據(jù)隱私和算法偏見”與原文意思一致。A選項原文未提及；C選項原文提到的是AI可能取代教師，而非減少就業(yè)機會；D選項原文未提及AI無法提供個性化反饋。10.B解析：最后一段提到“educators,students,andpolicymakersmustcollaboratetoshapeitsrole...fosteringanenvironmentwheretechnologyservesasatoolforenhancement,notdomination”，即教育工作者、學(xué)生和政策制定者必須合作，塑造其作用，營造技術(shù)作為增強工具而非統(tǒng)治工具的環(huán)境，B選項“處理倫理和公平問題”是塑造其作用的關(guān)鍵，與原文意思一致。A選項原文未提及；C選項原文未提及減少教師數(shù)量；D選項原文未提及加劇數(shù)字鴻溝。二、閱讀理解11.A解析：文章首段提出hygge的概念及其對幸福和健康的重要性，后文分別闡述了hygge的核心理念、原因和具體表現(xiàn)，核心是hygge作為一種生活方式促進(jìn)幸福感。B選項過于片面；C選項原文未提及；D選項原文未提及社交媒體是主要原因。12.C解析：第二段提到hygge的核心理念之一是“celebrationofthesmallmoments”和“mindfulnessandpresence”，即欣賞簡單時刻和專注當(dāng)下，C選項“它強調(diào)mindfulness和欣賞簡單時刻”與原文意思一致。A選項原文未提及；B選項原文未提及；D選項原文未提及。13.A解析：第二段提到“tenetsofhygge”，結(jié)合上下文描述的hygge的實踐原則，如慶祝小時刻、共度時光等，tenets在此處意為“原則、信條”，與practices（實踐）意思相近。criticisms（批評）、origins（起源）、disadvantages（缺點）均不符合文意。14.B解析：第三段分析了hygge的全球流行原因，包括mentalhealthissues（心理健康問題）、culturalexchange（文化交流）以及socialmediaplatforms（社交媒體平臺）的推動，B選項“與心理健康和文化交流相關(guān)的因素”概括了主要原因。A選項原文未提及；C選項原文未提及；D選項原文未提及政府推動。15.B解析：文章首段提到hygge“emphasizestheimportanceofcreatingawarm,invitingatmospheretofosterwell-beingandhappiness”，即創(chuàng)造溫暖宜人的氛圍以促進(jìn)幸福感和福祉，B選項“減少壓力和增強社交聯(lián)系”與原文意思一致。A選項原文未提及；C選項原文未提及；D選項原文未提及。16.B解析：文章主要討論了太陽能、風(fēng)能和水電等可再生能源的優(yōu)勢和挑戰(zhàn)，以及為何需要向可再生能源轉(zhuǎn)型，B選項“可再生能源的挑戰(zhàn)和好處”概括了文章主要內(nèi)容。A選項片面；C選項片面；D選項與文章主題無關(guān)。17.C解析：第一段提到太陽能“harnessesthesun'senergythroughphotovoltaiccells,providingacleanandabundantsourceofpower”，即太陽能通過光伏電池利用太陽能，提供清潔且豐富的能源，C選項“它是一種清潔且豐富的能源來源”與原文意思一致。A選項原文未提及；B選項原文提到效率受天氣影響；D選項原文未提及。18.B解析：第一段提到“mitigatingclimatechange”，結(jié)合上下文討論可再生能源對氣候變化的作用，mitigating在此處意為“減輕、緩解”。exacerbating（加劇）、utilizing（利用）、utilizing（利用）均不符合文意。19.D解析：第二段提到“hydroelectricity,althoughamatureandreliablesource...reliesondamsandreservoirs,whichcanhavesignificantenvironmentalandsocialimpacts,includinghabitatdisruptionanddisplacementofcommunities”，即水電依賴水壩和水庫，這可能帶來環(huán)境和社會影響，包括棲息地破壞和社區(qū)搬遷，D選項“由于其基礎(chǔ)設(shè)施往往面臨significantopposition”與原文意思一致。A選項原文未提及；B選項與原文相反；C選項原文未提及。20.B解析：第三段提到“fossilfuels,theprimarysourceofglobalenergyconsumption,arefiniteandcontributesignificantlytogreenhousegasemissionsandairpollution”，以及“thelong-termcostsassociatedwithclimatechange...poseaseverethreat”，即化石燃料是有限的、會產(chǎn)生大量排放，氣候變化帶來長期成本和威脅，因此需要轉(zhuǎn)向可再生能源，B選項“化石燃料是有限的且會污染環(huán)境”是主要原因。A選項原文未提及；C選項原文未提及；D選項原文未提及。21.B解析：文章討論了工作與生活平衡的復(fù)雜性，受技術(shù)（數(shù)字時代、持續(xù)連接）和文化因素影響，B選項“工作與生活平衡是一個受技術(shù)和文化因素影響的復(fù)雜問題”概括了文章主旨。A選項過于絕對；C選項片面；D選項與原文相反。22.B解析：第二段提到“theproliferationofsmartphonesandconstantconnectivityhasarguablymadeworkmoreaccessiblethaneverbefore...creatingp