2026年英语六级阅读真题冲刺易错题库含解析

2026年英语六级阅读真题冲刺易错题库含解析考试时间：______分钟总分：______分姓名：______模拟试卷第一部分长篇阅读阅读下面的文章，掌握其大意，然后根据文章内容，从每题所给的四个选项（A、B、C、D）中选出最佳选项。Theriseofthe"gigeconomy"hasfundamentallyalteredthelandscapeofmodernwork,offeringbothunprecedentedflexibilityandsignificantchallengesforworkersandpolicymakersalike.Fueledbydigitalplatformsthatconnectserviceproviderswithclientsonaproject-by-projectbasis,industriesfromtransportationandfooddeliverytofreelancewritingandgraphicdesignhavebeentransformed.Formany,gigworkrepresentsanattractivealternativetotraditionalemployment,allowingforautonomyoverschedules,diversejobexperiences,andthepotentialtoearnincomeonone'sownterms.However,thisshiftisnotwithoutitsdrawbacks.Aprimaryconcernisthelackoftraditionaljobsecurityandbenefits.Gigworkersoftenlackaccesstohealthinsurance,retirementplans,paidsickleave,andunemploymentbenefits,whicharetypicallyprovidedbyemployersinconventionaljobs.Thisprecariousnesscanleadtofinancialinstability,especiallyduringeconomicdownturnsorpersonalcrises.Theabsenceofastableincomestream,characterizedbyfluctuatingearningsfromoneassignmenttothenext,exacerbatesthisvulnerability.Furthermore,thepsychologicaltollofgigworkshouldnotbeunderestimated.Theconstantneedtofindnewprojectsandcompetewithnumerousotherfreelancerscreatesasenseofinstabilityandanxiety.Manygigworkersreportfeelingdisconnectedfromalargercommunityorcorporateculture,lackingthesocialsupportnetworksandsenseofbelongingoftenfoundintraditionalworkplaces.Theisolationcanbeparticularlypronouncedforthosewhoseworkisprimarilyremoteandcontract-based.Fromasocietalperspective,thegrowthofthegigeconomyalsoposeschallengesforpublicservicesandsocialsafetynets.Asmoreindividualsrelyongigwork,traditionaltaxbasesmayshrink,andtheburdenonsocialwelfareprogramscouldincrease.Therearealsoconcernsaboutlaborstandardsandworkerrights.Whileplatformcompaniesoftenframethemselvesasfacilitatorsratherthanemployers,thedegreeofcontroltheyexertoverworkersraisesquestionsaboutexploitationandtheneedforappropriateregulation.Despitethesechallenges,thegigeconomyislikelytocontinueitsexpansion,drivenbytechnologicaladvancementsandevolvingworkforcepreferences.Thekeychallenge,therefore,liesinfindingabalancethatmaximizesthebenefitsofflexibilityforworkerswhilemitigatingtherisksassociatedwithprecariousness.Thismayinvolveinnovativesolutionssuchasportablebenefitssystems,portableretirementaccounts,andenhancedregulationtoensurefairtreatmentandbasicprotectionsforgigworkers.Navigatingthiscomplexterrainrequiresacollaborativeeffortfrombusinesses,workers,andpolicymakerstocreateamoresustainableandequitablefutureformodernwork.1.Whatisthemaincharacteristicofthegigeconomymentionedinthepassage?A.Itprimarilyoffershigh-payingjobs.B.Itreliesheavilyontraditionalofficeenvironments.C.Itconnectsserviceproviderswithclientsthroughdigitalplatforms.D.Itguaranteeslong-termemploymentcontracts.2.Accordingtothepassage,whatisasignificantdisadvantageofgigworkforworkers?A.Itofferstoomuchautonomy.B.Itrequiresafixedworkschedule.C.Itoftenlacksbenefitsandjobsecurity.D.Itislimitedtoafewspecificindustries.3.Theword"precariousness"inparagraphtwoisclosestinmeaningto:A.ReliabilityB.UnpredictabilityC.EnjoymentD.Satisfaction4.Whatpsychologicaleffectdoesthepassagesuggestgigworkcanhaveonsomeindividuals?A.Itfostersastrongsenseofcommunity.B.Itprovidesjobsecurityandstability.C.Itcanleadtoanxietyduetoincomeinstabilityandcompetition.D.Itenhancessocialskillsthroughconstantinteraction.5.Thepassagementions"socialsafetynets"(paragraphthree)primarilytosuggestthat:A.Gigworkersarelesslikelytoneedsocialsupport.B.Thegigeconomyreducestheimportanceofpublicassistanceprograms.C.Thereareconcernsabouttheimpactofgigworkonexistingsocialwelfaresystems.D.Gigworkersshouldrelymoreonpublicservices.6.WhichofthefollowingisNOTmentionedasapotentialsolutiontothechallengesofthegigeconomy?A.Implementingportablebenefitssystems.B.Strengtheninggovernmentregulation.C.Encouragingworkerstoseektraditionalemployment.D.Developingnewtechnologiestosupportgigwork.7.Whatdoesthepassageimplyaboutthefutureofthegigeconomy?A.Itwillquicklydisappearduetoitsinherentproblems.B.Itwillcontinuetogrowandrequireadaptation.C.Itwillbereplacedentirelybytraditionaljobmodels.D.Itwillbecomelesspopularamongworkersovertime.8.Theauthor'stonetowardsthegigeconomyinthepassagecanbestbedescribedas:A.Entirelycritical.B.Entirelysupportive.C.Neutralandobjective.D.Somewhatcriticalbutacknowledgingitsbenefits.第二部分仔细阅读Readthefollowingpassagesandanswerthequestionsbasedonwhatisstatedorimpliedinthepassage(s).Passage1Climatechangepresentsoneofthemostsignificantchallengesfacinghumanitytoday.Itseffectsarefar-reachingandimpactnearlyeverycorneroftheglobe,fromrisingsealevelsthreateningcoastalcommunitiestomoreextremeweathereventslikeheatwaves,droughts,andheavyrainfall.TheprimarydriverofthesechangesistheincreaseingreenhousegasconcentrationsintheEarth'satmosphere,largelyresultingfromhumanactivitiessuchasburningfossilfuels,deforestation,andindustrialprocesses.Thescientificconsensusonclimatechangeisoverwhelming.Decadesofresearchhaveconsistentlyshownthathumanactivitiesarethedominantcauseofobservedglobalwarmingsincethemid-20thcentury.Ifglobaltemperaturescontinuetoriseatthecurrentrate,theconsequencescouldbecatastrophic.Low-lyingareasmightbecomeuninhabitable,agriculturalyieldscoulddeclineinmanyregions,andecosystems,particularlycoralreefs,wouldfaceseveredamage.Furthermore,thedisplacementofpopulationsduetoclimate-relateddisasterscouldleadtosignificantsocialandpoliticalinstability.Addressingclimatechangerequiresamultifacetedapproach.Reducinggreenhousegasemissionsisparamount,andthisinvolvestransitioningawayfromfossilfuelstowardsrenewableenergysourceslikesolar,wind,andhydroelectricpower.Energyefficiencyimprovementsinbuildings,transportation,andindustryarealsocrucial.Beyondmitigation,adaptationstrategiesarenecessarytocopewiththeimpactsthatarealreadyoccurringorareunavoidable.Thiscouldincludebuildingseawalls,developingdrought-resistantcrops,andcreatingearlywarningsystemsforextremeweather.Whilethechallengeseemsimmense,globalcooperationoffersapathforward.Internationalagreements,suchastheParisAgreement,provideaframeworkforcountriestoworktogetherandsettargetsforemissionreductions.However,achievingthesetargetsrequiressubstantialpoliticalwill,financialinvestment,andtechnologicalinnovation.Publicawarenessandindividualactionsalsoplayarole,fromreducingenergyconsumptionandadoptingsustainablelifestylestosupportingpoliciesthatpromoteclimateaction.Thefightagainstclimatechangeisacollectiveeffortthatdemandsimmediateattentionandsustainedcommitmentfromallnationsandindividuals.9.Whatisthemaincauseofclimatechangeaccordingtothepassage?A.Naturalvariationsinsolarradiation.B.ThenaturalcarboncycleoftheEarth.C.Humanactivitiesincreasinggreenhousegases.D.Volcaniceruptionsreleasingashintotheatmosphere.10.Theword"overwhelming"inthefirstparagraphisusedtoemphasize:A.ThevastnessoftheEarth'satmosphere.B.Thecomplexityofclimatechangeeffects.C.Thestrengthofscientificagreementonclimatechangecauses.D.Theseverityoftheconsequencesofinaction.11.Accordingtothepassage,whatcouldbeapotentialconsequenceofrisingsealevels?A.Anincreaseinagriculturalproductivityincoastalregions.B.Thecreationofnewarablelandinlow-lyingareas.C.Theuninhabitabilityofsomecoastalcommunities.D.Adecreaseinthefrequencyofhurricanes.12.Thepassagesuggeststhatadaptationtoclimatechangeinvolves:A.Ignoringtheproblemandhopingitresolvesitself.B.Onlyfocusingonreducinggreenhousegasemissions.C.Implementingmeasurestocopewithcurrentandfutureimpacts.D.Stoppingallindustrialactivitiesglobally.13.WhatroledointernationalagreementsliketheParisAgreementplayinaddressingclimatechange?A.Theysettargetsforemissionreductionsandprovideaframeworkforcooperation.B.Theydictatespecifictechnologiesthatmustbeusedworldwide.C.Theyestablishpenaltiesforcountriesthatdonotmeetenvironmentalstandards.D.Theyfundallclimateresearchanddevelopmentprojectsindependently.14.Accordingtothepassage,whataresomeexamplesofindividualactionsthatcancontributetoclimateaction?A.Drivinglarge,fuel-efficientvehicles.B.Reducingenergyconsumptionandadoptingsustainablelifestyles.C.Increasingmeatconsumptiontosupporttheagriculturalindustry.D.Relyingsolelyonpublictransportationsystems.Passage2Theconceptof"fakenews"hasbecomeincreasinglyprominentincontemporarydiscourse,yetitsdefinitionandimplicationsremainsubjectsofdebate.Whilethetermoftenevokesimagesofdeliberatelyfabricatedstoriesspreadonline,itsscopecanbebroader,encompassingmisleadinginformation,biasedreporting,andthestrategicmanipulationofnarratives.Theproliferationofsocialmediaplatformshassignificantlyacceleratedthedisseminationofsuchcontent,makingitmorechallengingtodistinguishcrediblesourcesfromfalseones.Theimpactoffakenewscanbeprofound,particularlyduringcriticalperiodslikeelectionsorpublichealthcrises.Misinformationcanswaypublicopinion,incitepolarization,andunderminetrustinestablishedinstitutions,includingjournalismandgovernment.Inthecontextofapandemic,forinstance,falseinformationaboutcuresortheseverityofthediseasecanleadtodangerouspublicbehaviorandhindereffectiveresponseefforts.Thepsychologicalvulnerabilityofindividuals,especiallythosealreadyholdingstrongbiases,makesthemsusceptibletobelievingandsharingfakenews.Combatingfakenewsrequiresamulti-prongedstrategy.Journalisticintegrityandhighstandardsofreportingareessentialformaintainingpublictrustincrediblemediaoutlets.Technologicalsolutions,suchasalgorithmsdesignedtoidentifyandreducethereachoffalsecontent,arebeingexplored,thoughtheireffectivenessandpotentialformisuseremaincontentiousissues.Educationalsoplaysacrucialrole;promotingmedialiteracyskillshelpsindividualscriticallyevaluateinformationsources,recognizecommonmanipulationtechniques,anddifferentiatebetweenfactandopinion.Furthermore,fosteringadigitalenvironmentthatvaluesaccuracyandaccountabilityisvital.Theresponsibilityforaddressingfakenewsisnotsolelyshoulderedbygovernmentsortechnologycompanies.Whilepolicymakerscanenactregulationsandplatformproviderscanimplementcontentmoderationpolicies,individualconsumersofinformationalsobearadegreeofresponsibility.Beingdiscerningaboutthesourcesfromwhichone获取snews,verifyingclaimsthroughmultiplereliablesources,andrefrainingfromrapidlysharingunverifiedinformationareallimportantstepsindividualscantake.Ultimately,thefightagainstfakenewsisasocietalendeavorthatnecessitatescooperationacrossvarioussectorstosafeguardtheintegrityofinformationflowinthedigitalage.15.Whatistheprimarypurposeofthepassage?A.Toargueagainsttheexistenceoffakenews.B.Tooutlineaspecifictechnologicalsolutionforfakenews.C.Todefinefakenewsanddiscussitsvariousformsandimpacts.D.Toblamesocialmediaplatformsentirelyfortheproblemoffakenews.16.Accordingtothepassage,howdoesthespreadoffakenewsrelatetosocialmedia?A.Socialmediaplatformscreatefakenewsautomatically.B.Socialmediamakesiteasierforfakenewstoreachawideaudiencequickly.C.Socialmediaplatformsareimmunetotheinfluenceoffakenews.D.Socialmediaplatformsactivelypromotefakenewsforprofit.17.Thepassagesuggeststhatfakenewscanhavenegativeeffectson:A.Economicmarketsbycausingunnecessaryvolatility.B.Trustininstitutionslikejournalismandgovernment.C.Thedevelopmentofnewtechnologies.D.Internationalrelationsbyfosteringcooperation.18.Whatdoesthepassageimplyabouttechnologicalsolutionstofakenews?A.Theyareuniversallyeffectiveandwidelysupported.B.Theyraiseconcernsaboutfreedomofspeechandpotentialforabuse.C.Theyaresolelytheresponsibilityofindividualusers.D.Theycancompletelyeliminatetheproblemoffakenews.19.Accordingtothepassage,whatroledoindividualconsumersofinformationplayinaddressingfakenews?A.Theyshouldavoidconsuminganynewsatall.B.Theyshouldrelysolelyongovernmentregulationstoprotectthem.C.Theyneedtodevelopcriticalthinkingskillsandbediscerningaboutsources.D.Theyshouldsharefakenewstodebunkitbyincreasingitsvisibility.20.Theword"proliferation"inthefirstparagraphisclosestinmeaningto:A.DeclineB.SpreadingrapidlyC.ImprovementD.Elimination第三部分选词填空Readthefollowingpassageandchoosethemostappropriatewordfromthelistbelowtofillineachblank.Therearemorewordsthanneeded.|Words:||||||||||:-:|:-:|:-:|:-:|:-:|:-:|:-:|:-:||A.||B.||C.||D.|||E.||F.||G.||H.|||I.||J.||K.||L.||Theincreasingintegrationofartificialintelligence(AI)intovariousaspectsofdailylifehassparkedconsiderabledebateamongexpertsandthepublicalike.ProponentsarguethatAIoffersimmensepotentialtoenhanceefficiency,improvedecision-making,anddriveinnovationacrossnumeroussectors,fromhealthcareandtransportationtocustomerserviceandentertainment.TheabilityofAIsystemstoprocessvastamountsofdatarapidlyandidentifycomplexpatternscanleadtosignificantadvancementsthatbenefitsocietyasawhole.However,criticsraisevalidconcernsaboutthepotentialdownsidesofwidespreadAIadoption.Onemajorworryistheimpactonemployment,asAItechnologiescouldautomatetaskstraditionallyperformedbyhumans,potentiallyleadingtojobdisplacementincertainindustries.Ethicalconsiderationsalsoloomlarge,particularlyregardingissuesofbiaswithinAIalgorithms,dataprivacy,andthepotentialformisuseofAI-poweredtools.TherearefearsthatAIcouldexacerbateexistingsocialinequalitiesifnotcarefullymanagedandregulated.Furthermore,therapiddevelopmentofAItechnologysometimesoutpacesourabilitytounderstanditsimplicationsfully.Questionsaboutthelong-termconsequencesofcreatingincreasinglyautonomoussystems,thepotentialforunintendedconsequences,andtheverydefinitionofconsciousnessorsentienceinmachinesremainlargelyunresolved.ThistechnologicaluncertaintynecessitatesacautiousandthoughtfulapproachtoAIdevelopmentanddeployment.Despitethesechallenges,thefuturetrajectoryofAIseemsinevitable,drivenbyongoingresearchanddevelopment.Therefore,thefocusshouldbeonshapingtheevolutionofAIinawaythatmaximizesitsbenefitswhilemitigatingitsrisks.Thisrequirescollaborationamongtechnologists,policymakers,ethicists,andthepublictoestablishclearguidelines,promoteresponsibleinnovation,andensurethatAIdevelopmentservesthebroaderinterestsofhumanity.Thegoalisnottostifleprogress,buttosteeritresponsiblytowardsafuturewhereAItechnologiesarealignedwithhumanvaluesandwell-being.21.Theword"sparked"inthefirstparagraphisclosestinmeaningto:A.SuppressedB.IgnitedC.IgnoredD.Obscured22.ProponentsofAIbelieveitcanleadto:A.Increasedhumanunemployment.B.Decreasedefficiencyinvarioussectors.C.Significantadvancementsandsocietalbenefits.D.Unethicalapplicationsandprivacyviolations.23.WhatisamajorconcerncitedbycriticsregardingAI?A.Itsinabilitytoprocesslargeamountsofdata.B.Potentialjobdisplacementduetoautomation.C.Itslackofethicalguidelinesfordevelopment.D.Itslimitedscopeforinnovationandimprovement.24.Theword"loom"inthesecondparagraphisusedtosuggest:A.TheclearvisibilityofAI'sbenefits.B.Theapproachingpresenceofethicalconcerns.C.Thefadingawayoftechnologicalchallenges.D.ThegrowingimportanceofAIindailylife.25.Accordingtothepassage,whatdoestherapiddevelopmentofAItechnologyraise?A.Certaintyaboutitslong-termimplications.B.Questionsaboutpotentialunintendedconsequences.C.Fullunderstandingofitsethicaldimensions.D.Unresolveddebatesaboutitsdefinition.26.WhatshouldbetheprimarygoalregardingAIdevelopmentaccordingtothepassage?A.TodevelopAIasquicklyaspossibleregardlessofconsequences.B.TofocussolelyontheethicalimplicationsofAI.C.Tomaximizebenefitswhileminimizingrisksthroughresponsibleinnovation.D.TolimitAIdevelopmententirelytopreventpotentialmisuse.第四部分多项选择题Readthefollowingquestionsandchooseallthebestanswersfromtheoptionsprovided.27.AccordingtoPassage1ofthe"仔细阅读"section,whichofthefollowingareconsequencesofclimatechangementionedinthetext?Selectallthatapply.A.Risingsealevels.B.Moreextremeweatherevents.C.Increasedagriculturalproductivity.D.Potentialdisplacementofpopulations.E.Improvedairqualityinmanyregions.28.WhatroledoeseducationplayincombatingfakenewsaccordingtoPassage2?A.Itencouragestherapidsharingofallinformation.B.Itpromotesmedialiteracyandcriticalevaluation.C.Itreliessolelyongovernmentmandates.D.Itteachesindividualstotrustallnewssourcesequally.E.Itfundsthedevelopmentoftechnologytodetectfakenews.29.RegardingtheintegrationofAI,whatarethepotentialnegativeimpactsmentionedinthe"选词填空"passage?Selectallthatapply.A.Automationleadingtojobdisplacement.B.PotentialforAItobeusedmaliciously.C.Ethicalconcernsaboutbiasandprivacy.D.Guaranteedlong-termeconomicbenefitsforall.E.Unintendedconsequencesduetorapiddevelopment.30.Basedonthepassageinthe"选词填空"section,whichofthefollowingstatementsaccuratelyreflectstheauthor'sviewonAI?A.TheauthorbelievesAIshouldbedevelopedwithoutanyregulation.B.TheauthorissolelyfocusedonthepotentialethicalissuesofAI.C.Theauthorsuggestsabalancedapproachconsideringbothbenefitsandrisks.D.TheauthorpredictsthatAIwillultimatelyreplaceallhumanlabor.E.TheauthorthinksthepublicshouldbecompletelywaryofallAItechnologies.试卷答案第一部分长篇阅读1.C解析思路：文章首段明确指出，“gigeconomy”的核心特征是“digitalplatforms”连接服务提供者和客户，以项目为基础进行工作。选项C准确概括了这一点。2.C解析思路：文章第二段详细阐述了gigwork的缺点，重点提到缺乏传统工作福利（healthinsurance,retirementplans,paidsickleave）和失业保障，以及收入不稳定（precariousness），这些都属于“缺乏福利和就业保障”的范畴。3.B解析思路：根据上下文，“precariousness”描述的是gigworkers缺乏稳定性和保障的状态，与“unpredictability”（不可预测性）意思最为接近。文中提到收入fluctuating，缺乏benefits，导致financialinstability，这些都暗示了不确定和不稳定。4.C解析思路：文章第三段指出了gigwork可能带来的心理影响，特别是“constantneedtofindnewprojectsandcompete”以及“anxiety”，这与选项C描述的“duetoincomeinstabilityandcompetition”导致的焦虑相符。5.C解析思路：文章第三段提到，“Thegrowthofthegigeconomyalsoposeschallengesforpublicservicesandsocialsafetynets”，意思是gig经济增长对公共服务和社会安全网构成了挑战，暗示了gigworkers可能更依赖这些安全网，或者现有体系面临压力。6.C解析思路：文章第四段讨论了挑战并提出解决方案，包括“portablebenefitssystems”（便携式福利系统）、“enhancedregulation”（加强监管）和“innovativesolutions”（创新方案），选项C“Encouragingworkerstoseektraditionalemployment”（鼓励工人寻求传统就业）不属于文中提到的解决方案。7.B解析思路：文章最后一段明确指出，“Thegigeconomyislikelytocontinueitsexpansion,drivenby...”，并且“thekeychallenge...liesinfindingabalance...”，表明gig经济将持续增长并需要适应，选项B“itwillcontinuetogrowandrequireadaptation”与之相符。8.D解析思路：作者在文中既承认了gig经济带来的“flexibility”和“benefits”，也指出了其“precariousness”、对“workers”的“psychologicaltoll”以及对“societal”的“challenges”，态度并非完全支持或完全批判，而是呈现了利弊两方面，故为“Somewhatcriticalbutacknowledgingitsbenefits”。第二部分仔细阅读9.C解析思路：文章第一段明确指出，“TheprimarydriverofthesechangesistheincreaseingreenhousegasconcentrationsintheEarth'satmosphere,largelyresultingfromhumanactivities...”，即气候变化的主要原因是人类活动导致温室气体增加。10.C解析思路：文章第一段使用了“scientificconsensusonclimatechangeisoverwhelming”，结合上下文，这里的“overwhelming”强调的是科学界对于“humanactivitiesarethedominantcauseofobservedglobalwarming”这一观点的强烈共识。11.C解析思路：文章第一段提到，“Ifglobaltemperaturescontinuetorise...Low-lyingareasmightbecomeuninhabitable”，直接说明了海平面上升可能导致某些沿海社区无法居住。12.C解析思路：文章第二段明确提到，“Addressingclimatechangerequiresamultifacetedapproach...Beyondmitigation,adaptationstrategiesarenecessarytocopewiththeimpactsthatarealreadyoccurringorareunavoidable”，说明适应策略是为了应对已经发生或无法避免的影响。13.A解析思路：文章第二段提到，“Internationalagreements,suchastheParisAgreement,provideaframeworkforcountriestoworktogetherandsettargetsforemissionreductions”，即这些协议提供了一个框架，让各国合作并设定减排目标。14.B解析思路：文章最后一段提到，“Publicawarenessandindividualactionsalsoplayarole,fromreducingenergyconsumptionandadoptingsustainablelifestyles...”，列举的例子正是减少能源消耗和采用可持续生活方式。15.C解析思路：文章首段定义了fakenews，并指出其影响，随后段落展开讨论其形式和影响，最后提出解决方法，全文围绕定义、形式、影响和应对展开，目的是介绍并讨论fakenews这一现象。16.B解析思路：文章第一段提到，“Theproliferationofsocialmediaplatformshassignificantlyacceleratedthedisseminationofsuchcontent,makingitmorechallengingtodistinguishcrediblesourcesfromfalseones”，说明社交媒体的普及加速了虚假信息的传播。17.B解析思路：文章第二段提到，“Misinformationcanswaypublicopinion,incitepolarization,andunderminetrustinestablishedinstitutions,includingjournalismandgovernment”，直接说明了fakenews对信任的破坏。18.B解析思路：文章第三段提到，“Technologicalsolutions,suchasalgorithmsdesignedtoidentifyandreducethereachoffalsecontent,arebeingexplored,thoughtheireffectivenessandpotentialformisuseremaincontentiousissues”，指出技术方案的有效性和潜在滥用风险是争论点。19.C解析思路：文章第三段明确指出，“Promotingmedialiteracyskillshelpsindividualscriticallyevaluateinformationsources,recognizecommonmanipulationtechniques,anddifferentiatebetweenfactandopinion”，即培养媒体素养技能有助于个人批判性地评估信息来源。20.B解析思路：根据上下文，“proliferation”指的是fakenews的迅速传播和增加。“Spreadingrapidly”与其含义最为接近。第三部分选词填空21.B解析思路：“sparked