2025全国英语等级考试（PETS）四级试卷-阅读理解技巧与实战练习试题

2025全国英语等级考试（PETS）四级试卷-阅读理解技巧与实战练习试题考试时间：______分钟总分：______分姓名：______一、单项选择（本部分共20小题，每小题1分，满分20分）要求：仔细阅读下面的每一句话，根据句子的意思选择最合适的选项，每个选项只能选择一次，作答时用2B铅笔在答题卡上对应题目的答案标号上填涂。1.Theoldmansatbythewindow,hiseyesfixedonthestreet,hopingtocatchaglimpseofhissonwhohadbeenawayformonths.Whatdoes"catchaglimpseof"mostprobablymean?A.toseesomethingclearlyB.tolookforsomethingeagerlyC.tohaveabriefsightofD.torecognizesomeoneimmediately2.Despitetheheavyrain,thestudentsinsistedonholdingtheiroutdoorgraduationceremonybecausetheybelieveditwouldbeamemorableexperience.Whatisthemainreasonfortheirdecision?A.Theywantedtoshowtheirgratitudetotheteachers.B.Theyhopedtocelebratetogetherinaspecialway.C.Theyneededtocompletetheceremonyontime.D.Theywantedtoattractmoreattentionfromthemedia.3.Thecompany'sannualreportrevealedasignificantincreaseinprofits,whichwaslargelyattributedtothesuccessfullaunchofanewproductline.Whatdoesthissentencemainlytellusaboutthecompany?A.Thecompanyisplanningtoexpanditsoperations.B.Thecompanyhasbeenstrugglingwithfinancialproblems.C.Thecompany'sperformancehasimproveddramatically.D.Thecompanyhasdecidedtolayoffsomeemployees.4.Whenthescientistpresentedhisfindingsattheconference,hewassurprisedtoseethatmanyofhiscolleagueshadalreadyreachedsimilarconclusions.Howdidthescientistfeelatthatmoment?A.Disappointedbecausehisworkwasnotoriginal.B.Excitedbecausehisresearchwasrecognized.C.Confusedbecausehisideasweremisunderstood.D.Anxiousbecausehisfindingswerecontroversial.5.Thelocalgovernmenthasimplementedaseriesofmeasurestoreducetrafficcongestion,suchasexpandingpublictransportationandencouragingcarpooling.Whatistheprimarygoalofthesemeasures?A.Toincreasethenumberofcarsontheroad.B.Tomakepublictransportationmoreaffordable.C.Toimprovetheoveralltrafficsituation.D.Toreducethecostofgasolinefordrivers.6.Thenovel,whichwaswritteninthefirstperson,providedadeeplypersonalaccountoftheprotagonist'sjourneythroughwarandloss.Whatisthemaincharacteristicofthisnarrativestyle?A.Itoffersabroaderperspectiveonhistoricalevents.B.Itallowsthereadertoexperiencethestoryfrommultipleviewpoints.C.Itcreatesasenseofintimacyandconnectionwiththecharacters.D.Itfocusesonthedetaileddescriptionsofthesettings.7.Duringtheteammeeting,themanageremphasizedtheimportanceofcommunicationandcollaboration,statingthatthesewereessentialforthesuccessoftheproject.Whatdidthemanagermainlywanttoconveytotheteam?A.Theneedtoworkindependentlytoachievegoals.B.Thevalueofteamworkincompletingtasks.C.Thenecessityoffollowingstrictschedules.D.Theimportanceofindividualperformanceevaluations.8.Theathlete'strainingroutinewasrigorous,involvinghoursofpracticeeveryday,butsheknewthatitwasnecessarytoreachherfullpotential.Whatdoesthissentencesuggestabouttheathlete'smindset?A.Sheislazyanddoesnotcareaboutherperformance.B.Sheisdeterminedandwillingtoworkhard.C.Sheisboredwithhertrainingandwantstoquit.D.Sheisunsureaboutwhethershecanachievehergoals.9.Theenvironmentalistarguedthatrenewableenergysourcesshouldbeprioritizedtocombatclimatechange,citingnumerousstudiesthatshowedtheireffectivenessandsustainability.Whatisthemainpurposeoftheenvironmentalist'sargument?A.Tocriticizethecurrentenergypolicies.B.Toencouragetheuseofalternativeenergyoptions.C.Tohighlightthedangersoffossilfuels.D.Toproposeanewtaxonrenewableenergycompanies.10.Theoldphotograph,yellowedwithage,remindedherofhergrandmother'skindnessandthehappytimestheyhadspenttogether.Whatisthemainemotionalimpactofthismemory?A.Itmadeherfeelsadandlonely.B.Itbroughtjoyandwarmthtoherheart.C.Itmadeherangryathergrandmotherforleaving.D.Itmadehercuriousaboutherfamilyhistory.11.Thestudentsweredividedintheiropinionsaboutthenewschoolpolicy,withsomesupportingitandothersstronglyopposingit.Whatdoesthissentenceindicateabouttheschoolpolicy?A.Thepolicyisunfairandneedstobechanged.B.Thepolicyhassparkedaheateddebateamongstudents.C.Thepolicyisverypopularandwell-received.D.Thepolicyhasnosignificantimpactonstudents'dailylives.12.Thechef'sinnovativecookingtechniquesanduniqueflavorcombinationsquicklymadehimacelebrityintheculinaryworld.Whatisthemainreasonforhissuccess?A.Heisatalentedandcreativecook.B.Heisaskilledmarketingprofessional.C.Heisafamousactorwholovestocook.D.Heisawealthyinvestorwhofundsotherchefs.13.Thehistoricalnovel,setinthe18thcentury,providedavividdepictionofthesocialandpoliticaleventsofthetime,makingitafascinatingreadforhistoryenthusiasts.Whatisthemainpurposeofthisnovel?A.Toentertainreaderswithanengagingstory.B.Toeducatereadersabouthistoricalevents.C.Tocriticizethesocialnormsofthe18thcentury.D.Topromoteaspecificpoliticalviewpoint.14.Thescientist'sgroundbreakingresearchonquantumphysicshasopenedupnewpossibilitiesfortechnologicaladvancementsinthefuture.Whatisthemainsignificanceofthisresearch?A.Ithasconfirmedexistingtheoriesinphysics.B.Ithasledtothediscoveryofnewparticles.C.Ithaspotentialapplicationsinvariousfields.D.IthaswonthescientistaNobelPrize.15.Thelocalcommunitywasdevastatedbytheflood,butthevolunteers'effortstoprovidefood,shelter,andsupporthelpedtoalleviatethesituation.Whatisthemainmessageofthissentence?A.Naturaldisasterscanhaveadevastatingimpactoncommunities.B.Volunteersplayacrucialroleindisasterreliefefforts.C.Thegovernmentshouldtakefullresponsibilityfordisasterresponse.D.Floodsarethemostcommontypeofnaturaldisaster.16.Theyoungentrepreneur'spassionfortechnologyandherabilitytoidentifymarkettrendsquicklymadeherasuccessfulbusinesswomaninacompetitiveindustry.Whatisthemainfactorcontributingtohersuccess?A.Shehasalotofmoneytoinvestinherbusiness.B.Sheisaskilledsalespersonwhocanclosedeals.C.Shehasastrongunderstandingofthemarketandinnovativeideas.D.Sheisafamouscelebritywhousesherfametopromoteherproducts.17.Theoldman'sdiary,filledwithdetailedentriesabouthisdailylifeandthoughts,providedauniqueinsightintothepastandthepeoplewholivedduringthattime.Whatisthemainvalueofthisdiary?A.Itisavaluablehistoricaldocument.B.Itisapersonalstoryabouttheoldman'slife.C.Itisacollectionofinterestingfactsandtrivia.D.Itisaguidetolivingahappylife.18.Thecompany'sdecisiontoadoptaremoteworkpolicyhasbeenmetwithmixedreactionsfromemployees,someofwhomenjoytheflexibilitywhileothersmissthesocialinteractionoftheofficeenvironment.Whatisthemainchallengeofthispolicy?A.Itisdifficulttomaintainawork-lifebalance.B.Itcanleadtoalackofcommunicationandcollaboration.C.Itisexpensivetosetupahomeoffice.D.Itischallengingtomanageateamremotely.19.Theenvironmentalist'sspeechattheconferenceinspiredmanyattendeestotakeactiontoprotecttheplanet,emphasizingtheimportanceofsmallindividualefforts.Whatisthemainmessageofthespeech?A.Environmentalproblemsaretoobigtosolve.B.Individualactionscanmakeasignificantdifference.C.Governmentsshouldtaketheleadinenvironmentalprotection.D.Technologyisthekeytosolvingenvironmentalissues.20.Theoldphotograph,yellowedwithage,remindedherofhergrandmother'skindnessandthehappytimestheyhadspenttogether.Whatisthemainemotionalimpactofthismemory?A.Itmadeherfeelsadandlonely.B.Itbroughtjoyandwarmthtoherheart.C.Itmadeherangryathergrandmotherforleaving.D.Itmadehercuriousaboutherfamilyhistory.二、阅读理解（本部分共5篇文章，每篇文章后有5道小题，每小题2分，满分20分）要求：仔细阅读下面的每一篇文章，根据文章的内容回答后面的问题，每个问题只能选择一次，作答时用2B铅笔在答题卡上对应题目的答案标号上填涂。Passage1ThesmalltownofMillfieldwasknownforitsannualapplefestival,acelebrationthatbroughtthecommunitytogetherforaweekendoffunandfestivities.Everyyear,thefestivalfeaturedavarietyofactivities,includingaparade,abakesale,andatalentshow.Thehighlightoftheevent,however,wastheapplepiecontest,wherelocalchefscompetedtocreatethemostdeliciousandinnovativepies.Thewinnerwasdeterminedbyapanelofjudgeswhotastedeachentryandvotedbasedontaste,appearance,andcreativity.Theprizewasagoldenpietrophyandacashreward,whichthewinnerusedtoopentheirownbakery.Thisyear,thecontestwasespeciallyexcitingbecausethetownhadinvitedafamouscheffromNewYorkCitytojudgetheevent.Thechef,knownforhisexpertiseinpastrymaking,hadwonnumerousawardsforhisuniquerecipesandtechniques.Thetownspeoplewereeagertoseeifhewouldbringanewlevelofcompetitiontothecontest.Onthedayofthefestival,thestreetswerebustlingwithactivityaspeoplelineduptoenterthecontestandenjoythevariousattractions.Theparadewasaspectacularsight,withfloatsdecoratedwithapplesandpies,andmusiciansplayinglivelytunes.Thebakesalewasahugesuccess,withhomemadepies,cakes,andcookiessellingoutquickly.Thetalentshowwasequallyentertaining,withperformersrangingfromchildren'sdancegroupstolocalbands.Astheapplepiecontestapproached,thetensionintheairwaspalpable.Thechefshadspentweeksperfectingtheirrecipes,andthetownspeoplewereeagerlyanticipatingthefinaljudgment.Whenthecontestbegan,thejudgestooktheirseatsandthechefspresentedtheirpies.Eachentrywasaworkofart,withintricatedesignsandvibrantcolors.Thejudgestastedeachpiecarefully,theirexpressionsrangingfromimpressedtoskeptical.Afteralonganddeliberation,thewinnerwasannounced.ThecrowderuptedincheersasthecheffromMillfieldwasdeclaredthewinner.Hispiewaspraisedforitsperfectbalanceofsweetandtartflavors,itsbeautifulcrust,anditscreativefilling.Thegoldenpietrophywasatestamenttohisskillanddedication.Thefestivalcontinuedintotheeveningwithafireworksdisplay,lightinguptheskyinaspectacularshow.Thetownspeoplegatheredtowatch,theirfacesilluminatedbytheglowofthefireworks.Asthenightcametoaclose,everyonereflectedontheweekend'sevents,feelingasenseofprideandjoyintheircommunity.Theapplefestivalhadnotonlybroughtthetowntogetherbutalsoshowcasedthetalentandcreativityofitsresidents.1.Whatisthemainpurposeofthearticle?A.TodescribetheeventsoftheannualapplefestivalinMillfield.B.Topromotetheapplepiecontestasthemostimportanteventofthefestival.C.Tocriticizethelocalchefsfortheirlackofcreativityinmakingpies.D.ToencouragepeopletovisitMillfieldtoexperiencethefestival.2.WhatisthesignificanceofthefamouscheffromNewYorkCitybeinginvitedtojudgethecontest?A.Hewantedtoseeifthelocalchefscouldmatchhisskill.B.Hewasinterestedinlearningaboutthetraditionalrecipesofthetown.C.Hewantedtobringanewlevelofcompetitiontotheevent.D.Hehadheardaboutthetown'sreputationforgreatpie-makingandwantedtoseeforhimself.3.Howdidthetownspeoplereacttotheannouncementofthewinner?A.Theyweredisappointedbecausetheywantedadifferentwinner.B.Theywereindifferentbecausetheydidnotknowthewinner.C.Theywereexcitedandcelebratedthevictory.D.Theywereskepticalbecausetheydidnottrustthejudges'decision.4.Whatisthemainthemeofthearticle?A.Theimportanceofcommunityeventsinbringingpeopletogether.B.Thesignificanceofcompetitioninfosteringcreativityandskill.C.Theroleoffamouschefsinelevatinglocalculinarytraditions.D.Theeconomicbenefitsoftourismduringfestivals.5.Whatistheauthor'stonetowardtheapplefestival?A.Sarcasticandcritical.B.Indifferentandobjective.C.Enthusiasticandsupportive.D.Anxiousanduncertain.Passage2ThesmalltownofMillfieldwasknownforitsannualapplefestival,acelebrationthatbroughtthecommunitytogetherforaweekendoffunandfestivities.Everyyear,thefestivalfeaturedavarietyofactivities,includingaparade,abakesale,andatalentshow.Thehighlightoftheevent,however,wastheapplepiecontest,wherelocalchefscompetedtocreatethemostdeliciousandinnovativepies.Thewinnerwasdeterminedbyapanelofjudgeswhotastedeachentryandvotedbasedontaste,appearance,andcreativity.Theprizewasagoldenpietrophyandacashreward,whichthewinnerusedtoopentheirownbakery.Thisyear,thecontestwasespeciallyexcitingbecausethetownhadinvitedafamouscheffromNewYorkCitytojudgetheevent.Thechef,knownforhisexpertiseinpastrymaking,hadwonnumerousawardsforhisuniquerecipesandtechniques.Thetownspeoplewereeagertoseeifhewouldbringanewlevelofcompetitiontothecontest.Onthedayofthefestival,thestreetswerebustlingwithactivityaspeoplelineduptoenterthecontestandenjoythevariousattractions.Theparadewasaspectacularsight,withfloatsdecoratedwithapplesandpies,andmusiciansplayinglivelytunes.Thebakesalewasahugesuccess,withhomemadepies,cakes,andcookiessellingoutquickly.Thetalentshowwasequallyentertaining,withperformersrangingfromchildren'sdancegroupstolocalbands.Astheapplepiecontestapproached,thetensionintheairwaspalpable.Thechefshadspentweeksperfectingtheirrecipes,andthetownspeoplewereeagerlyanticipatingthefinaljudgment.Whenthecontestbegan,thejudgestooktheirseatsandthechefspresentedtheirpies.Eachentrywasaworkofart,withintricatedesignsandvibrantcolors.Thejudgestastedeachpiecarefully,theirexpressionsrangingfromimpressedtoskeptical.Afteralonganddeliberation,thewinnerwasannounced.ThecrowderuptedincheersasthecheffromMillfieldwasdeclaredthewinner.Hispiewaspraisedforitsperfectbalanceofsweetandtartflavors,itsbeautifulcrust,anditscreativefilling.Thegoldenpietrophywasatestamenttohisskillanddedication.Thefestivalcontinuedintotheeveningwithafireworksdisplay,lightinguptheskyinaspectacularshow.Thetownspeoplegatheredtowatch,theirfacesilluminatedbytheglowofthefireworks.Asthenightcametoaclose,everyonereflectedontheweekend'sevents,feelingasenseofprideandjoyintheircommunity.Theapplefestivalhadnotonlybroughtthetowntogetherbutalsoshowcasedthetalentandcreativityofitsresidents.1.Whatisthemainpurposeofthearticle?A.TodescribetheeventsoftheannualapplefestivalinMillfield.B.Topromotetheapplepiecontestasthemostimportanteventofthefestival.C.Tocriticizethelocalchefsfortheirlackofcreativityinmakingpies.D.ToencouragepeopletovisitMillfieldtoexperiencethefestival.2.WhatisthesignificanceofthefamouscheffromNewYorkCitybeinginvitedtojudgethecontest?A.Hewantedtoseeifthelocalchefscouldmatchhisskill.B.Hewasinterestedinlearningaboutthetraditionalrecipesofthetown.C.Hewantedtobringanewlevelofcompetitiontotheevent.D.Hehadheardaboutthetown'sreputationforgreatpie-makingandwantedtoseeforhimself.3.Howdidthetownspeoplereacttotheannouncementofthewinner?A.Theyweredisappointedbecausetheywantedadifferentwinner.B.Theywereindifferentbecausetheydidnotknowthewinner.C.Theywereexcitedandcelebratedthevictory.D.Theywereskepticalbecausetheydidnottrustthejudges'decision.4.Whatisthemainthemeofthearticle?A.Theimportanceofcommunityeventsinbringingpeopletogether.B.Thesignificanceofcompetitioninfosteringcreativityandskill.C.Theroleoffamouschefsinelevatinglocalculinarytraditions.D.Theeconomicbenefitsoftourismduringfestivals.5.Whatistheauthor'stonetowardtheapplefestival?A.Sarcasticandcritical.B.Indifferentandobjective.C.Enthusiasticandsupportive.D.Anxiousanduncertain.三、完形填空（本部分共10小题，每小题1分，满分10分）要求：阅读下面的短文，文中有10处空白，每处空白有4个选项，请根据上下文选择最佳选项，每个选项只能选择一次，作答时用2B铅笔在答题卡上对应题目的答案标号上填涂。Lastweekend,IdecidedtoexplorethesmalltownofMillfield,whichwasknownforitsannualapplefestival.Thetownwasbustlingwithactivityaspeoplelineduptoenterthecontestandenjoythevariousattractions.ThefirstthingInoticedwastheparade,withfloatsdecoratedwithapplesandpies,andmusiciansplayinglivelytunes.Iwalkedalongthestreets,admiringthecolorfulfloatsandtheenthusiasticcrowd.Next,Istoppedatthebakesale,wherehomemadepies,cakes,andcookiesweresellingoutquickly.Thesmelloffreshlybakedgoodswasirresistible,andIendedupbuyingadeliciousapplepie.Afterthat,Iheadedtothetalentshow,whichwasequallyentertaining.Theperformersrangedfromchildren'sdancegroupstolocalbands,andeveryoneseemedtohaveagreattime.Asthedayprogressed,thetensionintheairgrewastheapplepiecontestapproached.Ihadtheopportunitytotalktosomeofthechefswhohadspentweeksperfectingtheirrecipes.Theywereallverypassionateabouttheircraftandwereeagertoshowofftheircreations.Whenthecontestbegan,thejudgestooktheirseats,andthechefspresentedtheirpies.Eachentrywasaworkofart,withintricatedesignsandvibrantcolors.Thejudgestastedeachpiecarefully,theirexpressionsrangingfromimpressedtoskeptical.Afteralonganddeliberation,thewinnerwasannounced.ThecrowderuptedincheersasthecheffromMillfieldwasdeclaredthewinner.Hispiewaspraisedforitsperfectbalanceofsweetandtartflavors,itsbeautifulcrust,anditscreativefilling.Thegoldenpietrophywasatestamenttohisskillanddedication.Thefestivalcontinuedintotheeveningwithafireworksdisplay,lightinguptheskyinaspectacularshow.Thetownspeoplegatheredtowatch,theirfacesilluminatedbytheglowofthefireworks.Asthenightcametoaclose,everyonereflectedontheweekend'sevents,feelingasenseofprideandjoyintheircommunity.Theapplefestivalhadnotonlybroughtthetowntogetherbutalsoshowcasedthetalentandcreativityofitsresidents.1.exploreA.tovisitB.todiscoverC.tohideD.toforget2.bustlingA.quietB.noisyC.emptyD.calm3.irresistibleA.expensiveB.temptingC.difficultD.boring4.progressedA.continuedB.stoppedC.startedD.ended5.passionateA.interestedB.boredC.angryD.tired6.presentedA.showedB.hiddenC.ateD.bought7.impressedA.amazedB.disappointedC.annoyedD.bored8.eruptedA.startedB.stoppedC.continuedD.ended9.praisedA.criticizedB.admiredC.ignoredD.hated10.illuminatedA.darkenedB.lightenedC.hiddenD.disappeared四、短文改错（本部分共10小题，每小题1分，满分10分）要求：仔细阅读下面的短文，文中有10处错误，请找出并改正，每个句子只有一处错误，作答时用2B铅笔在答题卡上对应题目的答案标号上填涂，先写错误单词，再写修改后的正确单词。Lastweekend,IdecidedtoexplorethesmalltownofMillfield,whichwasknownforitsannualapplefestival.Thetownwasbustlingwithactivityaspeoplelineduptoenterthecontestandenjoythevariousattractions.ThefirstthingInoticedwastheparade,withfloatsdecoratedwithapplesandpies,andmusiciansplayinglivelytunes.Iwalkedalongthestreets,admiringthecolorfulfloatsandtheenthusiasticcrowd.Next,Istoppedatthebakesale,wherehomemadepies,cakes,andcookiesweresellingoutquickly.Thesmelloffreshlybakedgoodswasirresistible,andIendedupbuyingadeliciousapplepie.Afterthat,Iheadedtothetalentshow,whichwasequallyentertaining.Theperformersrangedfromchildren'sdancegroupstolocalbands,andeveryoneseemedtohaveagreattime.Asthedayprogressed,thetensionintheairgrewastheapplepiecontestapproached.Ihadtheopportunitytotalktosomeofthechefswhohadspentweeksperfectingtheirrecipes.Theywereallverypassionateabouttheircraftandwereeagertoshowofftheircreations.Whenthecontestbegan,thejudgestooktheirseats,andthechefspresentedtheirpies.Eachentrywasaworkofart,withintricatedesignsandvibrantcolors.Thejudgestastedeachpiecarefully,theirexpressionsrangingfromimpressedtoskeptical.Afteralonganddeliberation,thewinnerwasannounced.ThecrowderuptedincheersasthecheffromMillfieldwasdeclaredthewinner.Hispiewaspraisedforitsperfectbalanceofsweetandtartflavors,itsbeautifulcrust,anditscreativefilling.Thegoldenpietrophywasatestamenttohisskillanddedication.Thefestivalcontinuedintotheeveningwithafireworksdisplay,lightinguptheskyinaspectacularshow.Thetownspeoplegatheredtowatch,theirfacesilluminatedbytheglowofthefireworks.Asthenightcametoaclose,everyonereflectedontheweekend'sevents,feelingasenseofprideandjoyintheircommunity.Theapplefestivalhadnotonlybroughtthetowntogetherbutalsoshowcasedthetalentandcreativityofitsresidents.1.explore错误：explore修改：2.bustling错误：bustling修改：3.irresistible错误：irresistible修改：4.progressed错误：progressed修改：5.passionate错误：passionate修改：6.presented错误：presented修改：7.impressed错误：impressed修改：8.erupted错误：erupted修改：9.praised错误：praised修改：10.illuminated错误：illuminated修改：五、书面表达（本部分满分15分）要求：根据提示，写一篇150词左右的短文，内容包括：描述你最近参加的一次社区活动，活动的内容，你的感受和收获。活动名称：活动内容：你的感受：你的收获：本次试卷答案如下一、单项选择答案及解析1.C分析思路：catchaglimpseof的意思是“瞥见，看到一眼”，这里描述老人坐在窗边，眼睛固定在街上，希望能瞥见离开几个月的儿子，所以选C。2.B分析思路：尽管下雨，学生坚持户外毕业典礼，因为他们相信这将是一次难忘的经历，说明他们想以特别的方式庆祝，所以选B。3.C分析思路：公司年报显示利润大幅增长，主要归功于新产品的成功推出，说明公司表现大大改善，所以选C。4.B分析思路：科学家在会议上展示研究成果，惊讶地发现许多同事已经得出了类似的结论，说明他的研究得到了认可，所以选B。5.C分析思路：地方政府实施一系列措施减少交通拥堵，如扩建公共交通和鼓励拼车，主要目标是改善整体交通状况，所以选C。6.C分析思路：小说以第一人称叙述，提供了对主人公经历战争和失去的深刻个人描述，这种叙述方式创造了一种亲密感和与角色之间的联系，所以选C。7.B分析思路：经理在团队会议上强调沟通和协作的重要性，表示这对项目的成功至关重要，所以选B。8.B分析思路：运动员的训练非常严格，每天练习数小时，但她知道这是为了充分发挥她的潜力，说明她决心努力工作，所以选B。9.B分析思路：环境学家论证应优先发展可再生能源以应对气候变化，引用大量研究表明其有效性和可持续性，主要目的是鼓励使用替代能源选项，所以选B。1