2025年英語(yǔ)四六級(jí)閱讀理解高分策略專(zhuān)項(xiàng)訓(xùn)練試卷考試時(shí)間：______分鐘總分：______分姓名：______PartIReadingComprehension(30Questions)Directions:Inthissection,youwillread3passages.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneTheinternethasrevolutionizedthewayweaccessandshareinformation.However,thisrevolutionhasalsobroughtaboutnewchallenges,particularlyintherealmofmentalhealth.Onlineplatforms,whileofferingcountlessbenefits,canalsobebreedinggroundsforcyberbullying,anxiety,anddepression.Theconstantconnectivityandcomparisoncultureinherentinsocialmediacanleadtofeelingsofinadequacyandisolation,evenamongthemostseeminglypopularindividuals.Moreover,theanonymityprovidedbytheinternetcanemboldensomeindividualstoengageinharmfulbehaviorthattheywouldneverexhibitinface-to-faceinteractions.Digitaladdictionisanothersignificantconcern.Thelureofendlessscrolling,gaming,andonlineshoppingcanconsumehoursoftimethatcouldotherwisebespentonproductiveactivities,socialinteraction,orself-care.Thisaddictioncannegativelyimpactacademicperformance,professionaldevelopment,andpersonalrelationships.Thebluelightemittedbyscreenscanalsodisruptsleeppatterns,leadingtofatigueanddecreasedcognitivefunction.Aswebecomeincreasinglyreliantondigitaldevices,itiscrucialtodevelophealthyhabitsandmaintainabalancebetweenouronlineandofflinelives.Whiletheinternetoffersawealthofresourcesformentalhealthsupport,itisimportanttorememberthatonlinetherapyandsupportgroupsshouldnotreplaceprofessionalhelpwhenitisneeded.Theinternetcanbeavaluabletoolforconnectingwithotherswhosharesimilarexperiences,butitshouldnotbeseenasasubstituteforevidence-basedtreatmentsprovidedbyqualifiedmentalhealthprofessionals.Itisessentialtoprioritizeourmentalhealthandseekhelpfromqualifiedprofessionalswhenneeded,usingtheinternetasasupplementaryresourceratherthanaprimaryone.Questions:1.Whatisthemainideaofthepassage?2.Accordingtothepassage,whataresomeofthenegativeimpactsofsocialmedia?3.Whatisdigitaladdiction?4.Whataresomeoftheconsequencesofdigitaladdiction?5.Whatistherelationshipbetweentheinternetandmentalhealthsupport?PassageTwoClimatechangeisoneofthemostsignificantchallengesfacinghumanitytoday.Theincreasingconcentrationofgreenhousegasesintheatmosphere,primarilyduetohumanactivitiessuchasburningfossilfuelsanddeforestation,iscausingtheplanettowarmatanunprecedentedrate.Thiswarmingisleadingtoacascadeofenvironmentalconsequences,includingrisingsealevels,morefrequentandsevereweatherevents,andthemeltingofpolaricecaps.Theimpactsofclimatechangearefar-reachingandaffecteverycorneroftheglobe.Coastalcommunitiesarefacingthethreatoffloodinganddisplacement,whileagriculturalcommunitiesaregrapplingwithchangingweatherpatternsandcropfailures.Wildlifepopulationsarealsobeingseverelyimpacted,withmanyspeciesfacingextinctionduetohabitatlossandchangingclimateconditions.Theeconomiccostsofclimatechangearealsostaggering,withdamagefromextremeweathereventsandtheneedtoadapttoachangingclimateplacingaheavyburdenongovernmentsandbusinessesalike.Addressingclimatechangerequiresamultifacetedapproach.Reducinggreenhousegasemissionsiscrucial,andthiscanbeachievedthroughthetransitiontorenewableenergysources,improvingenergyefficiency,andadoptingsustainablepracticesinindustriesandagriculture.Additionally,protectingandrestoringforestsandothernaturalecosystemscanhelptoabsorbexistingcarbondioxidefromtheatmosphere.Itisalsoessentialtoinvestinclimateadaptationmeasurestohelpcommunitiesandecosystemscopewiththeimpactsofclimatechangethatarealreadyinevitable.Thetaskofmitigatingandadaptingtoclimatechangeisdaunting,butitisnotimpossible.Itrequiresglobalcooperation,politicalwill,andacommitmenttosustainablepractices.Questions:6.Whatisthemaincauseofclimatechangementionedinthepassage?7.Whataresomeoftheenvironmentalconsequencesofclimatechange?8.Howarecoastalcommunitiesaffectedbyclimatechange?9.Whataresomeoftheeconomiccostsofclimatechange?10.Whataresomeofthesolutionsproposedtoaddressclimatechange?PassageThreeTheconceptofartificialintelligence(AI)hascapturedtheimaginationofpeoplearoundtheworld.AIreferstothesimulationofhumanintelligenceinmachinesthatareprogrammedtothinkandlearnlikehumans.ThedevelopmentofAIhasthepotentialtorevolutionizenumerousindustries,includinghealthcare,transportation,andfinance.Forexample,inhealthcare,AIcanbeusedtoanalyzemedicalimages,diagnosediseases,anddeveloppersonalizedtreatmentplans.Intransportation,self-drivingcarspoweredbyAIcouldsignificantlyreducethenumberofaccidentscausedbyhumanerror.Infinance,AIcanbeusedtodetectfraud,manageinvestments,andprovidepersonalizedfinancialadvice.DespitethenumerouspotentialbenefitsofAI,therearealsosignificantethicalconcernsthatneedtobeaddressed.Oneoftheprimaryconcernsisthepotentialforjobdisplacement.AsAIsystemsbecomeincreasinglysophisticated,theymaybeabletoperformtasksthatwerepreviouslydonebyhumans,leadingtounemploymentincertainsectors.Additionally,thereareconcernsaboutthebiasinherentinAIalgorithms,whichcanleadtodiscriminatoryoutcomes.Forexample,ifanAIsystemistrainedonbiaseddata,itmayperpetuateexistingbiasesanddiscriminateagainstcertaingroupsofpeople.AnothersignificantconcernisthepotentialforAItobeusedformaliciouspurposes.Forexample,AIcouldbeusedtodevelopautonomousweaponssystemsthatcouldmakelife-and-deathdecisionswithouthumanintervention.Additionally,AIcouldbeusedtofacilitatesurveillanceandcensorship,potentiallylimitingfreedomofspeechandprivacy.AsAItechnologycontinuestoadvance,itiscrucialtoengageinthoughtfuldiscussionsabouttheethicalimplicationsofAIandtodevelopregulationsandguidelinestoensurethatAIisdevelopedandusedresponsibly.Questions:11.Whatisartificialintelligence?12.WhataresomeofthepotentialbenefitsofAIindifferentindustries?13.WhataresomeoftheethicalconcernsrelatedtoAI?14.HowcouldAIbeusedformaliciouspurposes?15.WhatistheimportanceofdiscussingtheethicalimplicationsofAI?PartIICloze(10Questions)Directions:Thereare10blanksinthefollowingpassage.Foreachblank,therearefourchoicesmarkedA),B),C)andD).YoushouldchoosethebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Thehumanbrainisaremarkableorgan,responsibleforcountlessfunctionsthat16)______usapartfromotherspecies.Itcontrolsourthoughts,emotions,andactions,andallowsustolearn,create,andinnovate.17)______thebrain'scomplexity,scientistsarestillworkingtofullyunderstandhowit18)______.Oneofthemostintriguingaspectsofthebrainisitsabilitytochangeandadapt,aprocessknownasneuroplasticity.Neuroplasticityallowsthebrainto19)______newconnectionsandpathways,20)______learningandmemory.Thisabilityisparticularlyimportantduringearlydevelopment,whenthebrainis21)______formingtheneuralnetworksthatwill22)______muchofouradultlives.However,neuroplasticityisnotlimitedtochildhood;itcontinuesthroughoutourlives,allowingustolearnnewskills,recoverfrombraininjuries,andadapttonewenvironments.Research23)______neuroplasticityhasshownthatcertainfactorscanenhancethisprocess.Exercise,forexample,hasbeenshowntoincreasetheproductionofnewneurons,24)______improvedcognitivefunction.Similarly,meditationandmindfulnesspracticescanhelptostrengthenneuralconnectionsandreducestress,25)______bettermentalhealthandwell-being.Questions:16.A)defineB)distinguishC)measureD)compare17.A)DespiteB)BecauseC)AlthoughD)However18.A)operatesB)functionsC)worksD)processes19.A)buildB)createC)formD)generate20.A)promotingB)encouragingC)supportingD)enhancing21.A)activelyB)aggressivelyC)diligentlyD)actively22.A)establishB)formC)createD)construct23.A)onB)atC)forD)in24.A)resultingB)leadingC)causingD)contributing25.A)resultingB)leadingC)causingD)contributingPartIIIReadingComprehension(20Questions)Directions:Inthissection,youwillread2passages.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageFourTheriseofe-commercehastransformedthewayweshop.Onlineretailershave26)______asignificantportionofthemarket,offeringconsumersconvenience,awideselectionofproducts,andcompetitiveprices.However,thegrowthofe-commercehasalsopresentedchallengesfortraditionalbrick-and-mortarstores.Manyphysicalstoreshavestruggledtoadapttothechangingretaillandscape,leadingtoclosuresandjoblossesintheretailsector.Oneofthemainadvantagesofe-commerceisitsconvenience.Consumerscanshopfromthecomfortoftheirownhomes,atanytimeofdayornight,withouthavingtotraveltoaphysicalstore.Thisisparticularlybeneficialforpeoplewholiveinremoteareasorhavemobilityissues.Additionally,onlineretailersoftenhaveawiderselectionofproductsthanphysicalstores,astheyarenotlimitedbyshelfspace.Thisallowsconsumerstofindexactlywhattheyarelookingfor,oftenatlowerpricesduetoreducedoverheadcosts.Despitetheconvenienceofe-commerce,therearealsosomedrawbacks.Oneofthemainconcernsisthelackoftactileexperience.Whenshoppingonline,consumerscannottouch,feel,ortryonproductsbeforemakingapurchase.Thiscanbeparticularlyproblematicforitemssuchasclothing,shoes,andfurniture,wherefitandcomfortareimportantfactors.Anotherconcernistheissueofshippingtimes.Whilemanyonlineretailersofferfastshipping,someorderscantakeseveraldaysorevenweekstoarrive,whichcanbefrustratingforconsumerswhoareinurgentneedofaproduct.Questions:26.Whathasbeentheimpactofe-commerceontraditionalretailers?27.Whataresomeoftheadvantagesofe-commerceforconsumers?28.Whyisthelackoftactileexperienceadrawbackofe-commerce?29.Whatisapotentialconcernregardingshippingtimesforonlineorders?PassageFiveTheeducationsystemplaysacrucialroleinshapingthefutureofsociety.Itisresponsibleforprovidingstudentswiththeknowledge,skills,andvaluestheyneedtosucceedinlife.However,theeducationsystemisnotwithoutitschallenges.Oneofthemainchallengesistheissueofeducationalinequality.Studentsfromdisadvantagedbackgroundsoftenhaveaccesstofewerresourcesandopportunitiesthantheirmoreprivilegedpeers,whichcanleadtosignificantdisparitiesineducationaloutcomes.Anotherchallengeistheincreasingpressureonstudentstoperformwellacademically.Standardizedtests,collegeadmissions,andcompetitionforscholarshipshavecreatedahighlycompetitiveenvironmentthatcanbestressfulforstudents.Thispressurecanleadtoanxiety,burnout,andafearoffailure,whichcannegativelyimpactstudents'mentalhealthandwell-being.Despitethesechallenges,therearealsomanypositivetrendsineducation.Theincreasingavailabilityoftechnologyhasthepotentialtotransformthewayweteachandlearn.Onlinecourses,digitallearningplatforms,andeducationalappscanprovidestudentswithpersonalizedlearningexperiencesandaccesstoawealthofresources.Additionally,thereisagrowingemphasisondevelopingcriticalthinking,problem-solving,andcreativityskills,ratherthansimplyfocusingonrotememorization.Questions:30.Whatistheroleoftheeducationsysteminsociety?31.Whatisamajorchallengerelatedtoeducationalinequality?32.Howhastheeducationsystemcreatedacompetitiveenvironmentforstudents?33.Whataresomeofthepositivetrendsineducation?EndoftheTest試卷答案1.B2.D3.A4.C5.E6.B7.C8.A9.D10.B11.A12.C13.D14.B15.F16.B17.A18.C19.C20.D21.A22.B23.D24.A25.D26.A27.B28.C29.D30.A31.E32.B33.D解析1.主旨題。通讀全文可知，文章主要討論了互聯(lián)網(wǎng)對(duì)心理健康的影響，包括積極和消極兩方面，并強(qiáng)調(diào)了平衡線(xiàn)上和線(xiàn)下生活以及尋求專(zhuān)業(yè)幫助的重要性。故選B（互聯(lián)網(wǎng)對(duì)心理健康的雙重影響）。2.細(xì)節(jié)題。根據(jù)文章第二段“Onlineplatforms,whileofferingcountlessbenefits,canalsobebreedinggroundsforcyberbullying,anxiety,anddepression.”可知，社交媒體的負(fù)面影響包括網(wǎng)絡(luò)欺凌、焦慮和抑郁。故選D（網(wǎng)絡(luò)欺凌、焦慮和抑郁）。3.定義題。根據(jù)文章第二段“Digitaladdictionisanothersignificantconcern.Thelureofendlessscrolling,gaming,andonlineshoppingcanconsumehoursoftimethatcouldotherwisebespentonproductiveactivities,socialinteraction,orself-care.”可知，數(shù)字成癮是指無(wú)盡地瀏覽、游戲和網(wǎng)購(gòu)等行為消耗大量時(shí)間，影響生產(chǎn)活動(dòng)、社交互動(dòng)和自我照顧。故選A（數(shù)字成癮）。4.細(xì)節(jié)題。根據(jù)文章第二段“...canconsumehoursoftimethatcouldotherwisebespentonproductiveactivities,socialinteraction,orself-care.Thisaddictioncannegativelyimpactacademicperformance,professionaldevelopment,andpersonalrelationships.”可知，數(shù)字成癮的后果包括影響學(xué)業(yè)表現(xiàn)、職業(yè)發(fā)展和人際關(guān)系。故選C（對(duì)學(xué)業(yè)表現(xiàn)、職業(yè)發(fā)展和人際關(guān)系產(chǎn)生負(fù)面影響）。5.推理題。文章第四段提到互聯(lián)網(wǎng)可以提供心理健康支持的資源，但強(qiáng)調(diào)其不能替代專(zhuān)業(yè)幫助，應(yīng)作為輔助工具。故選E（互聯(lián)網(wǎng)可以作為心理健康支持的補(bǔ)充資源，但不能替代專(zhuān)業(yè)幫助）。6.原因題。根據(jù)文章第一段“...thisrevolutionhasalsobroughtaboutnewchallenges,particularlyintherealmofmentalhealth.Onlineplatforms,whileofferingcountlessbenefits,canalsobebreedinggroundsforcyberbullying,anxiety,anddepression.Theconstantconnectivityandcomparisoncultureinherentinsocialmediacanleadtofeelingsofinadequacyandisolation,evenamongthemostseeminglypopularindividuals.”可知，氣候變化的根本原因是溫室氣體排放增加。故選B（溫室氣體排放增加）。7.結(jié)果題。根據(jù)文章第一段“...arecausingtheplanettowarmatanunprecedentedrate.Thiswarmingisleadingtoacascadeofenvironmentalconsequences,includingrisingsealevels,morefrequentandsevereweatherevents,andthemeltingofpolaricecaps.”可知，氣候變化的生態(tài)環(huán)境后果包括海平面上升、更頻繁和嚴(yán)重的天氣事件以及極地冰蓋融化。故選C（海平面上升、更頻繁和嚴(yán)重的天氣事件以及極地冰蓋融化）。8.影響題。根據(jù)文章第一段“Theincreasingconcentrationofgreenhousegasesintheatmosphere,primarilyduetohumanactivitiessuchasburningfossilfuelsanddeforestation,iscausingtheplanettowarmatanunprecedentedrate.Thiswarmingisleadingtoacascadeofenvironmentalconsequences,includingrisingsealevels,morefrequentandsevereweatherevents,andthemeltingofpolaricecaps.”可知，氣候變化對(duì)沿海社區(qū)的影響是面臨洪水和流離失所的威脅。故選A（面臨洪水和流離失所的威脅）。9.成本題。根據(jù)文章第二段“Theeconomiccostsofclimatechangearealsostaggering,withdamagefromextremeweathereventsandtheneedtoadapttoachangingclimateplacingaheavyburdenongovernmentsandbusinessesalike.”可知，氣候變化的成本包括極端天氣事件造成的損害和對(duì)適應(yīng)氣候變化的需求給政府和企業(yè)帶來(lái)的沉重負(fù)擔(dān)。故選D（極端天氣事件造成的損害和對(duì)適應(yīng)氣候變化的需求給政府和企業(yè)帶來(lái)的沉重負(fù)擔(dān)）。10.解決方案題。根據(jù)文章第三段“Addressingclimatechangerequiresamultifacetedapproach.Reducinggreenhousegasemissionsiscrucial,andthiscanbeachievedthroughthetransitiontorenewableenergysources,improvingenergyefficiency,andadoptingsustainablepracticesinindustriesandagriculture.Additionally,protectingandrestoringforestsandothernaturalecosystemscanhelptoabsorbexistingcarbondioxidefromtheatmosphere.Itisalsoessentialtoinvestinclimateadaptationmeasurestohelpcommunitiesandecosystemscopewiththeimpactsofclimatechangethatarealreadyinevitable.”可知，解決氣候變化的建議是多方面的，包括減少溫室氣體排放、向可再生能源轉(zhuǎn)型、提高能源效率、采用可持續(xù)的工業(yè)和農(nóng)業(yè)實(shí)踐、保護(hù)和恢復(fù)森林和其他自然生態(tài)系統(tǒng)，以及投資氣候適應(yīng)措施。故選B（多方面的方法，包括減少溫室氣體排放、向可再生能源轉(zhuǎn)型等）。11.定義題。根據(jù)文章第一段“Artificialintelligence(AI)referstothesimulationofhumanintelligenceinmachinesthatareprogrammedtothinkandlearnlikehumans.”可知，人工智能是指在人機(jī)模擬人類(lèi)思維和學(xué)習(xí)能力的機(jī)器中模擬人類(lèi)智能。故選A（人機(jī)模擬人類(lèi)思維和學(xué)習(xí)能力的機(jī)器）。12.好處題。根據(jù)文章第二段“...AIcanbeusedtoanalyzemedicalimages,diagnosediseases,anddeveloppersonalizedtreatmentplans.Intransportation,self-drivingcarspoweredbyAIcouldsignificantlyreducethenumberofaccidentscausedbyhumanerror.Infinance,AIcanbeusedtodetectfraud,manageinvestments,andprovidepersonalizedfinancialadvice.”可知，人工智能在不同行業(yè)的潛在好處包括在醫(yī)療領(lǐng)域分析醫(yī)療圖像、診斷疾病、制定個(gè)性化治療方案；在交通領(lǐng)域減少人為錯(cuò)誤導(dǎo)致的事故；在金融領(lǐng)域檢測(cè)欺詐、管理投資和提供個(gè)性化財(cái)務(wù)建議。故選C（在不同行業(yè)帶來(lái)的潛在好處，如在醫(yī)療、交通和金融領(lǐng)域）。13.倫理問(wèn)題題。根據(jù)文章第三段“DespitethenumerouspotentialbenefitsofAI,therearealsosignificantethicalconcernsthatneedtobeaddressed.Oneoftheprimaryconcernsisthepotentialforjobdisplacement.AsAIsystemsbecomeincreasinglysophisticated,theymaybeabletoperformtasksthatwerepreviouslydonebyhumans,leadingtounemploymentincertainsectors.Additionally,thereareconcernsaboutthebiasinherentinAIalgorithms,whichcanleadtodiscriminatoryoutcomes.”可知，與人工智能相關(guān)的倫理問(wèn)題包括工作機(jī)會(huì)的減少和人工智能算法中的偏見(jiàn)。故選D（工作機(jī)會(huì)的減少和人工智能算法中的偏見(jiàn)）。14.惡意用途題。根據(jù)文章第三段“AnothersignificantconcernisthepotentialforAItobeusedformaliciouspurposes.Forexample,AIcouldbeusedtodevelopautonomousweaponssystemsthatcouldmakelife-and-deathdecisionswithouthumanintervention.Additionally,AIcouldbeusedtofacilitatesurveillanceandcensorship,potentiallylimitingfreedomofspeechandprivacy.”可知，人工智能可能被用于惡意目的，例如開(kāi)發(fā)自主武器系統(tǒng)，進(jìn)行監(jiān)視和審查，限制言論自由和隱私。故選B（開(kāi)發(fā)自主武器系統(tǒng)）。15.重要性題。根據(jù)文章第三段“...itiscrucialtoengageinthoughtfuldiscussionsabouttheethicalimplicationsofAIandtodevelopregulationsandguidelinestoensurethatAIisdevelopedandusedresponsibly.”可知，討論人工智能的倫理影響的重要性在于確保人工智能被負(fù)責(zé)任地開(kāi)發(fā)和利用。故選F（確保人工智能被負(fù)責(zé)任地開(kāi)發(fā)和利用）。16.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述人類(lèi)區(qū)別于其他物種的特點(diǎn)。distinguish（區(qū)分，使有別）符合語(yǔ)境。故選B。17.連接詞辨析題。根據(jù)上下文，這里需要一個(gè)表示轉(zhuǎn)折的連接詞，因?yàn)榍懊嫣岬搅舜竽X的復(fù)雜性，后面提到了大腦如何運(yùn)作。although（盡管）符合語(yǔ)境。故選A。18.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述大腦的功能。work（工作）符合語(yǔ)境。故選C。19.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述大腦建立新的連接和通路。form（形成）符合語(yǔ)境。故選C。20.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述對(duì)學(xué)習(xí)和記憶的促進(jìn)作用。enhancing（增強(qiáng)）符合語(yǔ)境。故選D。21.副詞辨析題。根據(jù)上下文，這里需要一個(gè)副詞來(lái)描述大腦在形成神經(jīng)網(wǎng)絡(luò)時(shí)的活躍程度。actively（積極地）符合語(yǔ)境。故選A。22.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述神經(jīng)網(wǎng)絡(luò)的形成。form（形成）符合語(yǔ)境。故選B。23.介詞辨析題。根據(jù)上下文，這里需要一個(gè)介詞來(lái)表示對(duì)神經(jīng)可塑性的研究。in（在...領(lǐng)域）符合語(yǔ)境。故選D。24.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述鍛煉對(duì)認(rèn)知功能的影響。resulting（導(dǎo)致）符合語(yǔ)境。故選A。25.動(dòng)詞辨析題。根據(jù)上下文，這里需要一個(gè)動(dòng)詞來(lái)描述冥想對(duì)心理健康和福祉的影響。resulting（導(dǎo)致）符合語(yǔ)境。故選D。26.細(xì)節(jié)題。根據(jù)文章第一段“...onlineretailershave26)______asignificantportionofthemarket,offeringconsumersconvenience,awideselectionofproducts,andcompetitiveprices.However,thegrowthofe-commercehasalsopresentedchallengesfortraditionalbrick-and-mortarstores.Manyphysicalstoreshavestruggledtoadapttothechangingretaillandscape,leadingtoclosuresandjoblossesintheretailsector.”可知，電子商務(wù)對(duì)傳統(tǒng)零售商的影響是占據(jù)市場(chǎng)份額。故選A（占據(jù)市場(chǎng)份額）。27.細(xì)節(jié)題。根據(jù)文章第二段“...whataresomeoftheadvantagesofe-commerceforconsumers?Theconvenienceofe-commerceisparticularlybeneficialforpeoplewholiveinremoteareasorhavemobilityissues.Additionally,onlineretailersoftenhaveawiderselectionofproductsthanphysicalstores,astheyarenotlimitedbyshelfspace.Thisallowsconsumerstofindexactlywhattheyarelookingfor,oftenatlowerpricesduetoreducedoverheadcosts