Unit-2-单元话题完形填空专项练习

Unit2单元话题完形填空专项练习

（名校最新真题）

（2022•重庆八中高二月考）TrackersonIce

JustbecauseascientistpulsaGPStrackingcollaronawildpolarbeardoesnotmeantheanimalwillwillingly

keepiton.1thesehugecollarsarepurposefullyloosesothatifonebecomesannoying,abearcan

2it.ButscientistshavenowfoundawaytousesignalsfromthediscaMed（丢弃的）devices.

“Thesedroppedcollars3wouldhavebeenconsideredgarbagedata,“saysNatashaKlappstein,apolar

bearresearcherattheUniversityofAlberta.Sheandhercolleaguesinsteadused4fromsuchcollars,lefton

seaiceinCanada'sHudsonBay,totracktheiceitself.Fortheirstudy,publishedinJuneinTheCryosphere,the

researchers5twentycollarsthatsentmovementdataconsistert（^..一致的）wilhicedriftratherthanpolar

bear6between2005and2015.TheresultingrecordsofhowmeltingicetypicallydriftsinHudsonBayare

unique;therearenoeasily7on-the-groundsensors,andsatelliteobservationsoftencannot8capture

themotionofsmallicesheets.

Theteamcomparedthediscardedcollars'movementswithwidelyusedice-driftmodelingdatafromtheU.S.

NationalSnowandIceDataCenter（NSIDC）.CollardataindicatedthattheNSIDCmodelunderestimatesthespeed

atwhichicemovesaroundinHudsonBay-aswellastheoverall9ofdrift.Overthecourseofseveralmonths

themodelcoulddriftawayfromaniccsheet'slocationbyafewhundredkilometers,theresearcherssay.

Thismeansthebearsmaybeworkingharder,whenmovingagainstthedirectionoftheice,thanscientists

had10/'Sincewe'reunderestimatingthespeedofdrift,we'relikelyunderestimatingtheenergeticeffort

ofpolarbears,"saysNatashaKlappstein.Theresearchreveals11insisht（洞悉）intohowhighlymobile

icemoves.Asmeltingincreasesincomingyears,suchicewilllikelybecomemore12farthernorth,inthe

centralArctic.ScientistshadknownNSIDCdatacouldunderestimatedriftspeeds,but“anytimewecanfindadata

13.itisagoodthing.^^

Plus,suchdatacouldimprovepredictionsabouthowoilspillsorotherpollutantsmayspreadinseas

14withdriftingice,saysWaltMeier,aseniorNSIDCresearchscientist,whowasnotinvolvedinthestudy.

Thefindingsmayeven15futureNSIDCmodels.uIt*sareallynicedataset,“MeiersaysJAndcertainly

onewe'lltakeconsideration.

1.A.InfactB.InawayC.InadditionD.Intheend

2.A.destroyB.removeC.resistD.reject

3.A.particularlyB.relevantlyC.intentionallyD.potentially

4.A.estimatesB.subjectsC.measurementsD.patents

5.A.displayedB.identifiedC.justifiedD.preserved

6.A.behaviorB.habitatC.mannerD.motion

7.A.flexibleB.favorableC.accessibleD.changeable

8.A.internallyB.accuratelyC.securelyD.independently

9.A.extentB.damageC.trendD.limit

10.A.agreedB.promisedC.provedD.assumed

11.A.immediateB.superiorC.entireD.timely

12.A.evidentB.uniqueC.commonD.realistic

13.A.gapB.scanC.boomD.fit

14.A.replacedB.litteredC.packedD.matched

15.A.reverseB.resembleC.influenceD.motivate

（2021•上海•格致中学高二期末）Doyourememberhowyoufeltthefirsttimeyourodebike?Whatabout

yourfirstheartbreak?16momentsandtheemotionstheyarousecanresonateinourmindsfordecades,

powerfullyshapingwhowearcasindividuals.Butforthosewhoexperienceseveretrauma（创伤），suchpainful

memoriescanleavepeoplewithlif>changingmentalconditions.So,whatiftraumaticmemoriesdidnothaveto

causesomuch17?Fornow,theworkishappeninginmice.

Neuroscientistsusuallydefineasingularmemoryasanengram—aphysicalchangeinbraintissue18

aparticularrecollection.WhileatMITin2013,SteveRamirezofBostonUniversityandhisresearchpartnerXu

Liuhadabreakthrough:Theywereabletotargetthecellsthat19oneengraminamouse'sbrainandthen

implantafalsememory.Iniheirwork,mice20infeartoaparticularstimulusevenwhentheyhadnotbeen

conditionedinadvance.

Intheircurrentwork,Ramirezandhiscolleaguesareinvestigatingwhether21memoriescanbe

“overwritten"bypositiveones.Intheirexperiments,positivememoriesarccreatedbyputtingmalemiceincages

withfemaleonesforanhour,andnegativememoriesarccreatedbyputtingthemiceincagesthatdeliverbrieffoot

shocks.Afterasurgicaloperationonthemice,theresearchersfindthat22positivememorieswhilemouse

isinacagemakesitlessfearful.Theythinkthatthismemory44retraining"maybehelpingto23someofthe

mouse'strauma.24,itisunclearwhether（hoseoriginalfearmemoriesarecompletelylostorjust

suppressed（抑制）.

25Ramirez'steamstressesthattheirworkinmiceispreliminary（初步的），theyseetreatmentpotential

forhumansdowntheroad.ThosesufferingfromPTSDordepressioncouldhavetheirmemories26,for

instance,sothattheydon'thaveastrong27responsetopainfulrecollections.

Ifit'sonedaypossibletoalterhumanmemory,whoshouldbeallowedtoreceivethattreatment?Andwould

the28systembeatadisadvantageifkeywitnessesandvictimscannotrememberacrime?Theseare

questionsNewYorkUniversitybioethicistArthurCaplansaysareworththinkingaboutbeforethetechnologyis

readyforhumanclinicalsettings.

Asneuroscientistsprogresswiththeirresearch,theysaythese29issuesarcbeingtakenintoaccount.

Ramirezsees（heideaof30memoriesasneithergoodnorbad.Likewater,itjustdependsonhowyouuse

16.A.ForgettableB.MemorableC.SustainableD.Believable

17.A.fruitB.differenceC.painD.movement

18.A.associatedwithB.exchangedforC.sentencedtoD.deprivedof

19.A.putoffB.pickupC.turnonD.makeup

20.A.reactedB.hurriecC.stunnedD.resolved

21.A.short-termD.negativeC.enjoyableD.reliable

22.A.deletingB.decreasingC.activatingD.pausing

23.A.recreateB.eliminateC.liberateD.memorize

24.A.ThereforeB.BesidesC.IndeedD.However

25.A.SinceB.UnlessC.UntilD.While

26.A.removedB.strengthenedC.alteredD.stimulated

27.A.emotionalB.physicalC.controversialD.mechanical

28.A.immuneB.justiceC.medicalD.commerce

29.A.mentalB.ethicalC.criminalD.equality

30.A.killingB.multiplyingC.controllingD.justifying

（2022•全国•高二单元测试）Recentlywecarriedoutasurveyofl,（X）0peoplefromdifferentcountriesto

findoutwhattheythink31v/illbelikeinthefuture.Theresultsclearlyshowbothour32andfears.

Thesurveysuggeststhat33—oneofthemostimportanthumanrelationships—willchangegreatly.

PeoplewillmakefriendsthroughtheInternet.Computerswillbecomereally34by2050.Evennow,some

peopledescribethemastheirbestfriends!Others,35.saythatwewillbecomemuchmoreisolated（孤立

的jfromeachother36\vcwillhavelittlerealhumancommunication.

Educationwill37alottoo.Asmoreandmorechildrenwillbeusingcomputersinschools,

certain38,suchasmentalarithmetic（心算），won'tbenecessary.Evenwritingbyhandwillhavebecomea

thingofthe39

Accordingtothesurvey,homelifewillbe40Mostpeoplebelievethatby2050robotswillbedoing

thehouseworkandwewillbeeating41food.Alotofpeoplethinkthatwemightonlycookforfuninthe

future.Spaceexplorationwillbecomeincreasingly42Fiftypercentofthepeoplewetalked

to43thatmanwillregularly（定期地）visitMars.

Pollutionissomething（hatseemsto44manypeople.Somefearthatitwill45togetworse,

andthatourplanetwillbecome46toliveon.Otherseven47thatonedaywe'11havetopayfor

cleanair.

48.peopleseemtobequiteoptimisticaboutgeneticengineering（基因工程）,astheythinkscientists

willuseitto49diseaseslikecancerandAIDS.

Nomatterhowdarkorbrightitmayseem,itisuptousto50ourplanetandtrytomakeitabetter

place.

31.A.educationB.lifeC.natureD.space

32.A.hopesB.tearsC.rightsD.plans

33.A.marriageB.leadershipC.friendshipD.neighborhood

34.A.privateB.perfectC.necessaryD.expensive

35.A.howeverB.insteadC.anyhowD.therefore

36.A.untilB.unlessC.becauseD.although

37.A.provideB.completeC.receiveD.change

38.A.factsB.abilitiesC.goalsD.thoughts

39.A.endB.pastC.momentD.future

40.A.busierB.saferC.sadderD.easier

41.A.unhealthyB.frozenC.over-cookedD.ready-made

42.A.famousB.cheapC.popularD.difficult

43.A.doubtB.believeC.rememberD.warn

44A.confuseB.frightenC.satisfyD.worry

45.A.stopB.continueC.refuseD.begin

46.A.coldB.impossibleC.suitableD.free

47.A.expectB.promiseC.predictD.wish

48.A.AsaresultB.InotherwordsC.InasimilarwayD.Ontheotherhand

49.A.catchB.spreadC.preventD.carry

50.A.takeoverB.lookafterC.payforD.thinkabout

（2021•全国•1岛二单元测试）Whatwillmanbelikeinthefuture?Howaboutin5,（XX）oreven50,00（）years

fromnow?Wecanonlymakea51ofcourse,butwecanbesurethathewillbedifferent

from52heistoday,formanisslowly53allthetime.

Letustakeanexample.Man,even500yearsago,was54thanheistoday.Now,onaverage,menare

aboutthreeinchestaller.500yearsisarelativelyshortperiodof55sowcmayguessthatman

wi1156togrowtaller.

Again,inmodernworldweuseour57agreatdeal.Evenso,westill58onlyabout20%of

thebrain*scapacity（容量）.Astime59.however,wcshallhavetouseourbrainsmoreandmore-and

finallyweshallneedevenlargerones!Thisislikelyto60aphysicalchange,too.Thehead.61、

theforehead,willgrowlarger.

Nowadaysoureyesarcin62use.Infact,weusethemsomuchthatveryoftentheybecomeweaker

andwehavetowear63Butoveraverylongperiodoftimeitislikelythatman'seyeswillgrowstronger.

Ontheotherhand,we64tomakelessuseofourarmsandlegs.These,asaresult,arelikelytogrow

weaker.Atthesametime.65ourfingerswillgrowmoresensitive（敏感的）becausetheyarcusedagreat

dealinmodemlife.

Butwhatabouthair?Thiswillprobably66fromthebodyaltogetherincourseoftimebecauseitdoes

not67ausefulpurposeanylonger.Inthefuture,（hen,bothsexesarelikelytobebald（无发或少发的）.

Perhapsallthisgivestheimpressionthatfuturemanwillnotbeavery68creaturetolookat!Allthe

same,inspiteofallthesechanges,futuremanwillstillhavealotin69withus.Hewillstillbeahuman

being,with70andemotionssimilar（oourown.

51.A.guessB.researchC.jokeD.decision

52.A.whatB.howC.thatD.which

53.A.dyingB.changingC.growingD.improving

54.A.longerB.tallerC.biggerD.shorter

55.A.journeyB.lifeC.timeD.distance

56.A.stopB.continueC.keepD.hope

57.A.mindsB.headsC.brainsD.hearts

58.A.occupyB.chooseC.controlD.use

59.A.passesdownB.goesonC.movesawayD.runsout

60.A.causeB.takeC.occurD.lead

61.A.intotalB.introubleC.inparticularD.incharge

62.A.constantB.practicalC.properD.suitable

63.A.hatsB.smilesC.clothesD.glasses

64.A.planB.meanC.tendD.decide

65.A.thereforeB.howeverc.otherwiseD.besides

66.A.growB.appearc.disappearD.survive

67.A.haveB.keepc.holdD.serve

68.A.attractiveB.uglyc.specialD.ordinary

69.A.sizeB.differencec.appearanceD.common

70.A.bodiesB.thoughtsc.mouthsD.noses

(2021•吉林•长春市第二十九中学高二阶段练习)WhenIwasaboy1dreamedofmyfuture.Iwasgoing

tobeacowboy.ThenIdreamedofbeingafirefighterand71peoplefromburningbuildings.Ijustcouldn't

72togrowupandbeanadult.Afteriwenttocollegeandthosedreams73.IthoughtIwould

beascientist,thenIswitchedtobeingateacher.WhenI74andhadchildren,mydreamsofthefuture

changedagain.Nowitwasn'tsomucha75careerthatIdreamedofbuta(imewhenIcouldbesettled

and76andmyfamilyandIwouldfinallybeproblemfree.

Thatdream,ofcourse,didn't77.Infact,noneofthosedreamsevercametolife.Ittookmemany

yearsaswellto78thatlivinginadreamfuturewaslivingina79andthateachmomentIspent

therewastakingamomentawayfromthe80NOW.Isawthattherecouldbenoperfect,problemfree

futurebecauseproblemsareapartof81.

ItisonlyintheNOW(hatwecantrulylive.Ourdreamsforthefuturearejustthat:82.Whether

theycometrueornotisn'tas83ashowweliveeachdayhere.Ahugsharedtodaycanneverbe

84.Anactofkindnessnotgivennowislostforever.Amomentoflovemissedcanneverbe

85again.EachsecondoftheNOWispreciousandpriceless.Don'twasteaoneofthem.

71.A.liberatingB.carryingC.rescuingD.supporting

72.A.waitB.stopC.stayD.rest

73.A.remainedB.matchedC.brokeD.changed

74.A.retiredB.marriedC.succeededD.divorced

75.A.certainB.firmC.promisingD.professional

76.A.silentB.gentleC.secureD.uncertain

77.A.loseB.happenC.produceD.destroy

78.A.recognizeB.appreciateC.concludeD.realize

79.A.hopeB.fantasyC.fableD.vision

80.A.preciousB.favoriteC.commonD.popular

81.A.activityB.movementC.lifeD.business

82.A.realitiesB.dreamsC.purposesD.treasures

83.A.famousB.seriousC.impressiveD.important

84.A.replacedB.followedC.recoveredD.reviewed

85.A.pickedupB.brokenupC.madeupD.putup

（2020•全国•高二专题练习）FindingHome

“IhateNewOrleans!Iwannagohome!,,I86tomymotheraswemovedboxes.87.goinghome

wasnoteasybecausemyhomewas1,100milesaway.

Iwasbornand88innorthernVirginia.Virginiawasmyhome,andIneverexpectedthatto89.

In2014,myfamilyexperiencedatragedy（悲剧），somyparentsdecidedtomovetomymom'shometownofNew

Orleans.

Onlythreemonthsaftermyparentsmadethe90tomove,Ifoundmyselfmovingboxesintoournew

house.MyannouncementtomymotherthatI91thenewenvironmentwaspartlymotivatedbyhowhotit

was.butitwasmostlyduetothefactthatIfeltlikemyentirelifehadbeenturnedupsidedown.1,100milesaway

fromeveryoneandeverythingIhadeverknown,Iwas92.Tomakemattersworse,Iwasstartinghighschool

intwoweeksBeginninghighschoolisascary93onitsown.

IspentmyfirstfewmonthsinNewOrleans,___94___wantingtogohometoVirginia.Butafterafewmonths

ofmissinghome,I95thatIhadachoice.IcouldcontinuethinkingabouthowmuchImissedmyold

home,96Icouldsiarttryingtobuildanewhomerighthere.Ichose（helatter.

AssoonasIstoppedgivingallmy97tohowmuchImissedVirginia,Iwasabletobeginaccepting

thelovethatpeoplewerealreadygivingme.Ijoinedsomeclubsatschool,whichgavemethechancetomake

friends.MyneighbortaughtmehowtocooksomeNewOrleansfood,andIfoundawonderful98of

fellowcooksandneighbors.Overall,Iseizedeverypossibleopportunityto99myselfandtorebuildmy

life.

Becauseofmyresilience（复原力）increatinganewhomeformyselfandthe100thatpeoplehave

showntome,homeisrighthere.

86.A.announcedB.repliedC.turnedD.pointed

87.A.ThereforeB.InsteadC.HoweverD.Besides

88.A.trainedB.raisedC.promotedD.fed

89.A.developB.continueC.existD.change

90.A.attemptB.suggestionC.excuseD.decision

91.A.preferredB.missedC.hatedD.imagined

92.A.surprisedB.frightenedC.delightedD.relieved

93.A.performanceB.activityC.presentationD.experience

94.A.partlyB.badlyC.slightlyD.hardly

95.A.realizedB.rememberedC.obsenedD.complained

96.A.andB.butC.orD.so

97.A.attentionB.patienceC.trustD.confidence

98.A.generationB.communityC.raceD.school

99.A.teachB.acceptC.judgeD.better

100.A.beliefB.freedomC.loveD.interest

参考答案：

I.A2.B3.D4.C5.B6.D7.C8.B9.A10.D11.D12.C13.A14.B15.C

【分析】本文是一篇说明文。介绍了科学家通过被丢弃的项圈获得数据来研究北极冰的移动。

1.考查介词短语辨析。句意：事实上，这些巨大的项圈是故意松开的，如果一个项圈让熊觉得讨厌，熊可

能会把它取下来。A.Infacl事实上；B.Inaway某种程度上；C.Inaddition另外；D.Intheend最后。根据

上下文可知，科学家将GPS跟踪项圈放在野生北极熊身上，并不意味着北极熊会愿意继续使用它。后文表

示实际情况，项圈是故意松开的，可以被北极熊摘下的。故选A项。

2.考查动词词义辨析。句意：事实上，这些巨大的项圈是故意松开的，这样如果一个项圈让熊觉得讨厌，

熊可能会把它取F来。A.destroy摧毁;B.remove移掉,脱卜，摘F；C.resist抵抗,抵制;D.reject拒绝。

此处表示北极熊不愿带项圈时，项圈是可以被北极熊摘下的。故选B项。

3.考查副词词义辨析。句意：“这些掉下来的项圈很有可能被认为是垃圾数据，”阿尔伯塔大学的北极熊研

究人员娜塔莎•克拉普斯坦说。A.particularly尤其;B.relevantly相关地；C.intentionally有意地；D.potentially

有可能地。根据上文语境，由于项圈可以被松开，因此，这部分掉下来的项圈很有可能被认为是垃圾数据。

故选D项。

4.考查名词词义辨析二句意：相反，她和她的同事利用遗留在加拿大哈德逊湾的冰块上留下的项圈上的测

量数据来追踪冰块本身。A.estimates估计;B.subjects主题;C.measurements测量数据;D.patents专利。

与上文garbagedata呼应，根据本句中“fromsuchcollars”可知，在项圈上的应该是测量数据。故选C项。

5.考查动词词义辨析。句意：在六月份发表在《冰冻圈》上的研究中，研究人员鉴定了20个项圈，它们

在2(X)5年到2015年之间发送的运动数据与冰层漂移而不是与北极熊的运动一致。A.displayed展示；B.

identified识别，鉴定；C.justified证明合法；D.preserved保护。此处是出于研究目的，从四个选项来看只

有identified最符合搭配。故选B项。

6.考查名词词义辨析。句意：在六月份发表在《冰冻圈》上的研究中，研究人员鉴定了20个项圈，它们

在2005年到2015年之间发送的运动数据与冰层漂移而不是与北极熊的运动一致。A.behavior行为；B.

habitat栖息地;C.manner方式、礼仪；D.motion运动。本题为单词复现题。第8空所在的句子“andsatellite

observationsoftencannotaccuratelycapturethemotionofsmallicesheets”中出现了motiono故选D项。

7.考查形容词词义辨析。句意：关于融化的冰如何在哈德逊湾典型漂移的结果记录是独特的：地面传感器

不易探测，卫星观测常常无法准确捕捉小冰原的运动。A.flexible灵活的；B.favorable赞许的；C.accessible

易接近的、可理解的：D.changeable”『改变的。根据“oftencannot”及“noeasily”可知，此处表示无法探测地

面传感器。故选C项。

8.考查副词词义辨析。句意：关于融化的冰如何在哈德逊湾典型漂移的结果记录是独特的：地面传感器不

易探测，卫星观测常常无法准确捕捉小冰原的运动。A.internally内部地；B.accurately精确地；C.securely

安全地；D.independently独立地,根据"capturethemotionofsmallicesheets”及“noeasily”可知,此处表示

无法精确捕捉小冰原的运动。故选B项。

9.考查名词词义辨析。句意：项圈数据表明，NSIDC模型低估了哈德逊湾海冰移动的速度——以及漂移

的总体范围。A.extent范围；B.damage毁坏;C.trend趋势;D.limit限制。根据K文“Overthecourseof

severalmonthsthemodelcoulddriftawayfromanicesheet'slocationbyafewhundredkilometers”可知，止匕处

指总体的漂移范围.故选A项。

10.考查动词词义辨析。句意:这意味着北极熊在逆冰移动的时候可能比科学家们想象的更加努力。A.agreed

同意;B.promised保证;C.proved证明;D.assumed设想,假设。根据后文的“undere保mating”可知,此处

表示科学家的设想。故选D项。

11.考查形容词词义辨析。句意：这项研究及时地揭示了高速移动的冰是如何移动的。A.immediate立刻

的:B.superior更好的,卜.级的:C.entire整体的：D.timely及时的&从文章后面对于沂■年的羔变化的描

述来看，此处是表达科学家对于冰盖漂移发现的及时性。故选D项。

12.考查形容词词义辨析。句意：由于冰川融化在未来几年会增加，这样的冰块在更北边的地方可能会变

得更常见。A.eviden【清晰可见的；B.unique独一无二的；C.common普通的，常见的；D.realistic现实

的,根据"Asmeltingincreasesincoiningyears”推测，这样的冰块在北方更为常见。故选C项。

13.考查名词词义辨析二句意：科学家们已经知道NSIDC的数据可能会低估漂移速度，但“任何时候我们

都匏发现数据缺口，这是一件好事."A.g叩缺口；B.scan扫描；C.boom（贸易和经济活动的）激增；D.

fit（癫痫等的）突发,发作。根据"NSIDCdatacouldunderestimatedriftspeeds"和“itisagoodthing.”可知,

这里指发现数据缺口。故选A项。

14.考查过去分词词义辨析。句意：此外，未参与这项研究的NSIDC资深研究科学家WaltMeier说：“这

些数据可以改善对溢油或其他污染物如何在满是浮冰的海洋中扩散的预测。"A.replaced被替换的；B.

litiered散放的；C.packed被打包的；D.matched被配对的。此处“liileredwilhdriftingice”修饰“ocean"，为

过去分词作后置定语，意思为：满是浮冰的。故选B项。

15.考查动词词义辨析。句意：这样的发现甚至也许会影响未来的NSIDC模型。A.reverse逆转：B.resemble

类似,像；C.influence影响；D.motivate激励。上文有提到模型和实际的差距,因此这项研C只能影响到

新的模型，做出调整和改进。故选C项。

16.B17.C18.A19.D20.A21.B22.C23.B24.D25.D26.C27.A28

.B29.B3U.C

【分析】本文是一篇说明文。文章讲述了神经科学家们在老鼠身上做实验，看是否可以改变大脑中有关痛

苦的那些记忆，且该实验已经取得初步效果。

16.考查形容词词义辨析。句意：那些记忆深刻的时刻和他们激起的情感可以几十年在我们的头脑中产生

共鸣，塑造着我们是谁。A.Forgettable忘记了的：B.Memorable记忆深刻的：C.Sustainable可持续的：D.

Believable可以相信的。根据上句"Doyourememberhowyoufeltthefirsttimeyourodebike?”（作者问第一

次埼车的时候）可知，作者在讲过去的记忆。故选B。

17.考查名词词义辨析。句意：如果这些创伤不会造成如此多的伤害，那会怎么样呢？A.fruit水果；

B.diffcrcncc不同，影响；C.pain痛苦；D.movement运动。根据上句“suchpainfblmemoriescanleavepeople

wiihlife-changingmenialconditions.（这曲痛苦的记忆会给人们带来改变生活的精神状况。）“创伤”应该是痛

苦的经历，所以会造成“痛苦故选C。

18.考查动词短语辨析。句意：神经系统科学家通常定义一个记忆为“一个印迹符号”-在大脑组织中的和一

个特定的记忆有关的物理改变。A.associatedwith和…有关：B.exchangedfor交换：C.sentencedto判刑：

D.deprivedof剥夺。“defineasingularmemoryas”本句解释的是“memory”的定义,recllection是它的近义

词,因此应该是“和它相关的故选A。

19.考查动词短语辨析。句意：他们能够瞄准那个构成记忆符号的细胞，然后植入一个虚假的记忆。A.put

off推迟；B.pickup捡起；C.turnon打开；D.makeup构成。根据“aphysicalchangeinbraintissue3

aparticularrecollection.”（科学家对“engram”的定义）可知,那个细胞储存着记忆,构成了记忆符号。故选

Du

20.考查动词词义辨析。句意：在他们的工作中，老鼠会对某个特定的刺激作出惊恐的反应，即使当它们

提前没有遭遇到这种情况。A.reacted反应；B.hurried匆忙；C.stunned震惊；D.resolved决心。根据“They

wereabletotargetthecellsthat4oneengraminamouse'sbrainandthenimplantafalsememory.”

（科学家们在做研究，“往它们体内植入虚假的记忆所以应该是老鼠对此作出反应。故选A。

21.考查形容词词义辨析。句意：在他们当前的工作中，他和同事正在调查是否这些消极的记忆可以被积

极的记忆改写。A.shuii-ieun长期的；B.negative消极的：C.enjoyable快乐的：D.ieliable可靠的。根据后

文的“beuoven^rritten^^bypositiveones”可知，本空应该是它的反义词。故选B。

22.考查动词词义辨析。句意：在对老鼠进行外科手术之后科学家们发现，当老鼠在笼子里的时候激活那

些积极的记忆会让它不再那么恐俱。A.dclcting删除；B.decreasing减少；C.activating激活；D.pausing暂

停>根据"positivememoriesarecreatedbyputtingmalemiceincageswithfemaleonesfbranhour”，（科学家们

对老鼠输入了积极的记忆），所以推测本句指“激活”这些积极记忆。故选C。

23.考查动词词义辨析。句怠：他们认为这种记忆的''重新训练”有助于去除掉老鼠的•些创伤。A.recreate

重新创造；B.eliminaie消除；C.liberate解放；D.memorize记住。根据下文，“itisunclearwhetherthose

originalfearmemoriesarecompletelylostorjustsupp^essed^^（不知这些原始恐惧是否完全消失）可知，本句

指这样做可以“消除”掉一些创伤。故选B。

24.考查副词词义辨析。句意：然而，是否这些原始的恐惧记忆完全消除或抑制是不清楚的。A.Therefore

因此；B.Besides另外；C.Indeed实际上；D.However然而。根据上文“Theythinkthatthismemory

uretrainingumaybehelpingto8someofthemouse'strauma.5,,这样做有助于消除恐惧记忆，

下句乂讲“能否完全消除还不清楚”，因此两句之间是转折关系。故选D。

25.考查连词词义辨析。句意：尽管他们的团队强调他们在老鼠身上的成果只是初步的，但是他们也看到

了在这条路上为人类治疗的潜力,ASince因为；B.Unless除非；C.Until直到；D.While然而。根据从句

中“preliminary（初步的）”一词，及主句中“潜力”一词，可推出主从句之间为转折关系。故选D。

26.考查动词词义辨析。句意：例如，那些遭受抑郁的人们就可以让他们的记忆被转换，以致于他们对痛

苦的经历没有一种强烈的反应。A.removed移除：B.strengthened力Fl强：C.altered转换：D.stimulated剌激。

根据"Ramirez'steamstressesthattheirworkinmiceispreliminary（初步的），theyseetreatmentpotentialfor

humansdowntheroad^,“科学家们在对老鼠做实验的成效中，看到了人类治疗的潜能“，所以本句是这种

“潜能”应用的例子，就是可以转换人的记忆。故选C。

27.考查形容词词义辨析。句意：例如，那些遭受抑郁的人们就可以让他们的记忆被转换，以致于他