2022年高三英语二模阅读理解CD篇汇编

2022年高三二模CD篇专项汇编

一、东城区

C

Wc'vcallfeltthetaptothesoulyougetfromdrivingbyyouroldhighschoolorhearingatuneyouoncedanced

to.Butwhyisthatfeelingsouniversal?

Nostalgia,acombinationoftheGreekwordsnostos（homecoming）andalgos（pain）,wasaspecialtypeof

homesicknessassociatedwithsoldiersfightingfar-offwars.Scvcntcenth-ccntiiryphysiciansworriedsuchthoughts

puthealthatrisk.Inthe19thcentury,doctorsbelieveditcouldcauseirregularheartbeat,fever,anddeath.

Ourunderstandingofnostalgiahasdevelopedsincethen."It'saverymixedemotion,saysFrederickBarrett,a

neuroscientist.Thatmakesithardtofitintoexistingtheory,whichtypicallycategorizesemotionsaseitherpositive

ornegative.Andtriggers-thecars,musicorsmells-areextremelypersonal.Tliereibre,designingastandardizedstudy

isdifficult.

Butwedoknownostalgiahasamarkedeffectonus:brainimagingstudiesshowthatthoseexperienceshave

theirownneuralsignature.Neuroscientistsarguedthattheemotionisco-producedbythebrain'srecallandreward

systems.Theyfoundthatnosialgicimagesusethememory-managinghippocampus（海马区）morethanother

sights,aspeoplemineautobiographical（个人经历的）detailsdeepinthepast.Thismentalefibrtpaysoff:asthe

hippocampusactivates,sodoesoneofthebrain'srewardcenters.

Thatlongingforthepast:nightbeaprotectivemechanism,saysTimWildschut,aprofessor.Hisworkalso

suggestsamoreprimitivepurposefbrthefeeling:itdevelopedtoremindourancientancestorsofpleasantphysical

feelingsduringperiodsofdiscomfortandpain.

Recentresearchsuggeststheoccasionallookbackwardscangiveusaboostinunnoticeableways:byincreasing

seif-respcctandprotectingagainstdepression.Nostalgia'sapparentpowertojump-startone'smemoryalsoseemsto

improverecallabilityinpeoplewithAlzheimer'sdisease.

Newflavorsof“reminiscencetherapy”（回I乙疗法）arcemergingaroundtheworld.In2018,theGeorge

G.GtennerAlzheimer'sFamilyCentersopeneditsfirstTownSquare,anadultdaycarefacilitydesignedtolooklike

abiitallluvvnin1950bAmciiua.TliuugliTbwnSquaicliasyettupublishpcci-icvieweddataunthesuccessufthe

program,clientssayithashelpedseniorsaccessdustymemoriesandreconnectwithlovedones.

Scientistsneedalotmoreinformationtoadequatelycharacterizethiscomplexandbittersweetfeeling.Butwhile

centuriesofdoctorsconsiderednostalgiaadeadlydisease,wcnowknow:itcanhelpusmakeitthroughtoday.

27.Whatcanwclearnaboutnostalgia?

A.ItwasfirstdiscoveredinGreece.B.It'smorecommonamongsoldiers.

C.It'ssetoffbypersonalexperiences.D.Itwasawell-definedscientificidea.

28.WhatisParagraph4mainlyabout?

A.Ilownostalgiaworks.B.Whynostalgiamatters.

C.WHiatnostalgiameans.D.Whennostalgiaemeiges.

29.Howmightnostalgiabenefitpeople?

A.Itmakespeople'smindsharp.B.Itgivesseniorsasenseofsecurity.

C.Ithelpsusfaceunpleasantsitaations.D.Itimprovespeople'sinstantmcmoty.

30.WhydocstheauthormentionTownSquare?

A.Torevealaphenomenonofemotion.B.Tointerprettheconceptofatherapy.

C.Tbexploretheadvantageofatreatment.D.Todemonstratetheuseofaresearchfinding.

D

Search"toxicparents",andyou'llfindmorethan38,000posts,largelyurgingyoungadultstocuttieswiththeir

families.Theideaistosafeguardone'smentalhealthfromabusiveparents.However,asapsychoanalyst,Iveseen

thattrendinrecentyearsbecomeawaytomanageconflictsinthefamily,andIhaveseenthesevereimpacts

estrangement()hasonbothsid^softhedivide.Thisisaself-helptrendthatcreatesmuchhami.

ResearchbyKarlPiHeiner,aprofessoratCornellUniversity,indicatesthatIin4Americanadultshavebecome

estrangedfromtheirfamilies.Ibelievethat'sanundercount,becauseothershavestoppedshortofcompletelycutting

offcontactbuthaveeflectivelybrokentheties.

"Canceling0yourparentcanbeseenasanextensionofaculturaltreridaimedatcorrectingimbalancesinpower

andsystemicinequality.Certainlythefamilyisonesysteminwhichpowerhasneverbeenbalanced.In1933,the

psychoanalystSandorFcrcncziwarnedthateventhesimpleindicationthatsomeonehasmorepowerthanwcdo

couldpotentiallybedamaging.

Today'ssocialjusticevaluesrespondtothisreality,callingonustocriticizeoppressiveandhannfiilfiguresand

togainpowerfbrthosewhohavebeenpowerless.Butwhenadultchildrenusethemosteffectivetooltheyhave-

thcmsclves-togainasenseofsecurityandbantheirparentsfromtheirlives,therolesarcsimplyswitched,andthe

painonlydeepens.

Often,whatIseeinmypracticearecasesoffamilyconflictmismanaged,powerdynamicsturnedupsidedown

ratherthannegotiated.Iseetheterribleeflectofthattrend:situationswilhnowinners,onlyisolated(孤独的)

humanswholongtobeknownandfeelsafeinthepresenceoftheother.

Thecatchisthatafterestrangement,adultchildrenarcnotsuddenlylessdependent.Infact,theyfeelabandoned

andbetrayed,becauseintheunconscious,itdoesn'tmatterwhoisdoingtheleaving；thefeelingthatremainsis"being

left".Theycarrytheghostsoftheirchildhood,tacklingtheemotionalrealitythatthosewhoraiseduscannevertruly

beleftbehind,nomatterhowhardwetry.

WhatIhavefoundisthatmostofthesefamiliesneedrepair,notpermanentbreak-up.Howelsecanoneleam

howtonegotiateneeds,tocreateboundariesandtotrust?Howelsecanweloveothers,andourselves,ifnotthrough

acceptingthelimitationsthatcomewithbeinghuman?Goodrelationshipsaretheresultnotofaperfectlevelof

harmonybutratherofsuccessfuladjustments.

Topursuedialogueinsteadofestrangementwillbehardandpainfulwork.Itcan'tbeasingleprojectof"self-

help",becauseattheendoftheday,realintimacy（亲密关系）isachievedbyworkingthroughtheinjuriesofthe

pasttogether.Inmostcasesoffamilyconflict,repairispossibleandpreferabletoestrangement-andit'sworththe

work.

31.Whydoyoungpeoplecuttieswiththefamily?

A.1bgainanindependentlife.B.Torestorehannonyinthefamily.

C.Tbprotecttheirpsychologicalwell-being.D.lbfollowatendencytowardssocialjustice.

32.Whatdoestlieunderlinedword"catch"inParagraph6mean?

A.Response.B.Problem.C.Operation.D.Emphasis.

33.Tomanagefamilyconflict,theauthoragreesthatyoungadultsshould.

A.breakdownboundaries

B.gainpowerwithinthefamily

C.liveuptotheirparents'expectations

D.acceptimperfectionoffamilymembers

34.What'stheauthor'spurposeofwritingthepassage?

A.Toadvocateaself-helptrend.B.Tojustifyacommonsocialvalue.

C.Toargueagainstacurrentpractice.D.Todiscussameansofcommunication.

二、西城区

C

Musicisapowerfulthing.Itawakensfeelingsandhasthepowertobringpeopletogether.Buttoday,artistsarc

notknownfbrtheirmusic,butforhowflashytheirclothingisandhowmanytimestheirwealthyrelativescanget

themoutofjail（监狱）.Andthus,theirmusicislost.

Popandrapmusichasdevelopedintoashallow,image-addictedindustrythatlinesupwithwhatthepublic

wantstohearandsee,removingthefocusontheactualmusic.Mainstreammusicisnolongercomposedofemotion,

butinstead,themesofmoneyandfame.Photosandrumorsflywhilethemusicisignored.

Notallmusicalgroupsorindividualartistsbeginlikethis.Manyoftheseartistsarcoriginalandtalented,but

turntothemoneyside.Oftentheirsongsarewrittenbyexpertswhoknowwhatisappealingtoacertainagegroup,

andthemusicians,facescanbeseenoncountlessmagazinecovers.Soontheirsupposedlynewandimprovedsongs

canbeheardblastingoutofcarwindows.ButthesesongsaretoUillyempty,lackingcreativityandtheoriginalthirst

oftheartisttomakeanimpactorconvey（传递）amessage.

MTVisnothelping.Itplaysonlywhatthepublicwantstohear.Andunfortunately,themajorityseemsinterested

inethersicklysweet,genericpoporstereotypical（刻板的）,bleeped-outrap.Kidsandteenseverywhereareswimming

inthesesongs,whichareoftendegradingtowomenandminorities,andinappropriate.

Almostallthegirlsinmydormareaddictedtothesamesongs.Thiswasthecasethepreviousyear,and:heyear

beforethat.WheneverItrytoplaymusicIenjoy,orintroducethemtosomedecentsongs,theysaythateveryone

exceptmelikestheirmusic.

Whydomostteenagersonlylistentopopandrapmusicwhensomanyothertypesexist?Maybeit'sbecause

everywherewelook,wearebombardedwiththesamemusic:ontheradio,onTV,onthecomputer.Atschool,pop

andraparediscussedallthetime.Perhapstheyhaveneverlistenedtoanythingelse.Ormaybepeerpressureispart

ofit.

Thereisnosolutiontothe“popproblem”.It'scalledpopularforareason-manypeopleenjoyit.There'sno

easywaytochangetheirviews.Mysuggestionisnottobuymusiclikethiswhenyoucanexploresomethingnew.

Expandyourhorizons.Digupyourparents'oldrecordsandCDs.Youneverknowwhatyoumightfind.

28.Theauthorprobablyprefers.

A.newpopsongsmeantfbrgirlsB.originalsongswithdeepmeaning

C.catchysongsproducedbypopularsingersD.never-heard-beibresongsjustrecentlydiscovered

29.Whatcanwclearnfromthepassage?

A.Manyartiststradecreativityfbrwealthandfame.

B.Thepublicisresponsiblefbrtheexistenceofmusic.

C.MTVpromotesthesongsfavoredbywomenandminorities.

D.Musicianssingingaboutmoneyisanineflectivewaytoattractfans.

30.Whatismostprobablytheauthor'ssuggestionfbryoungpeople?

A.Trytorespectyourpeers'musictastes.B.Dealwiththe“popproblcm,,patiently.

C.Exposeyourselftovariousmusicstyles.D.Treasurethemusicfrompreviousgenerations.

D

NASAwillcrashaspacecraftintoanasteroid（小行星）totrytochangeits

orbit,attemptingtopreventhumanseo.ngthesamewayasthedinosaurs.f；

Earthisconstantlybeingdisturbedbysmallpiecesofdebris（碎片）,butthey6J//a

usuallyburnuporbreakuplongbeforetheyhittheground.Onceinawhile,

however,somethinglargeenoughtodosignificantdamagemakesimpact.About

66millionyearsago,onesuchcrashisthoughttohavewipedoutthedinosaurs.Someday,somethingsimilarcould

endhumanbeings—unlesswecanfineawaytotackleit.

NASA'sDoubleAsteroidRedirectionTest（Dart）missionisthefirstattempttotestifsuchasteroidredirectionis

arealisticstrategy:investigatingwhetheraspacecraftcanautonomouslyreachatargetasteroidandintentionallycrash

intoit,aswellasmeasuringtheamountofredirection.uIfitworks,itwouldbeabigdeal,becauseitwouldprovethat

wehavethetechnicalcapabilityofprotectingourselves,“saidJayTate,thedirectoroftheNationalNearEartliObject

InfbnnationCenter.

The610kgDartspacecraftisscheduledtobelaunchedatthetarget-theDidymossystem——ahannlcsspairof

asteroidsconsistingofa163-mctrckUmoonlcf,asteroidcalledDimcrphosthatorbitsalarger780-mctrcasteroidcalled

Didymos(Greekfbr“twin").TheplanistocrashthespacecraftintoDimorphoswhentheasteroidsystemisatits

closesttoEarth-about6.8millionmilesaway.

About10daysbeforeimpact,aminiaturizedsatellitecalledLiciaCubewillseparatefromthemainspacecraft,

enablingimagesoftheimpacttoberelayedbacktoEarth.Combinedwithobservationsfromground-basedtelescopes,

andanonboardcamerathatwillrecordthefinalmomentsbeforethecrash,theserecordingswillenablescientiststo

calculatethedegreetowhichtheimpacthaschangedDimorphos'sorbit.Theexpectationisthatitwillchangethe

speedofthesmallerasteroidbyapproximately1%andreduceitsorbitaroundthelargerasteroid.

Then,inNovember2024.theEuropeanSpaceAgency'sHeraspacecraftwillvisittheDidymossystemand

conductafurtherclose-upanalysisoftheconsequencesofthissnookei"(斯诺克)game,recordingdetailssuchasthe

precisemakeupandinternalstrjetureofDimorphos,andthesizeandshapeoftheholeleftbyDart.Suchdetailsare

vitalfbrtransfbnningasteroidredirectionintoarepeatabletechnique.

Eventhen,itisimpossiblethatanysingleredirectionstrategywouldbeenough."Theproblemisthatnotwo

asteroidsorcometsarealike,andhowyouredirectonedependsonahugenumberofvariables.Thcroisnosilver

bulletinthiseamc.Whatyouneedisawholefolderofdifferentredirectionmethodsfbrdifferenttypesoftargets,“

saidlate.

So,whilethismaybeonesmallsteptowardsplanetaryprotection,manymorearclikelytobenecessarytoavoid

destruction.

31.WhatisthepurposeofParagraph2?

A.Toexaminetheimpactofdinosaurs5extinction.

B.Toexplainthenecessityoflaunchingaspacecraft.

C.Toshowthedamagecausedbysmallpiecesofdebris.

D.Tohighlightthecrisisthreateninghumanbeingsatpresent.

32.Whichofthefollowingpicturesillustratesthemission?

A.

D.

33.WhatisthefunctionofLiciaCube?

A.SendingimpactdatabacktoEarth.B.CalculatingthelengthofDimorphos^orbit.

C.Helpingthesatelliteseparatefromthespacecraft.D.Recordingthescientists'ground-basedobservations.

34.Whatdoestheunderlinedsentence“Thereisnosilverbulletinthisgame''mean?

A.Thereisnochallengetoobigtoovercome.B.ThereisnopossibilitytosatisfyNASA'sneeds.

C.Thereisnosinglesolutiontothecomplexproblem.D.Thereisnostrategytohelpmakeanobviousdecision.

三、海淀区

C

Microplastics-tinypiecesofplasticwastelessthanfivemillimetreslongthathavebeendegradedbywaves,wind

andultravioletrays-havebeendiscoveredinthedeepestoceanictrenchesandwithinthestomachsoftheorganisms

thatlivethere,butwehavelittleideaaboutwherethegreatmajorityofthemendup.Morethaneightmilliontonnes

ofplasticentersouroceanseveryyear,comprisingbetween80and85percentofallmarinetrash,butwithinadequate

dau,thereareconcernsthatthesefigurescouldbeunderestimates.

Currently,mostofthedatawehaveonmicroplasticsarcaccidentallycapturedbyresearchships,whichuse

planktonnetstocollectmarine-microorganismsamples.However,researchersChristopherRufandMadelineEvans

fiomtheUniversityofMichiganhavediscoveredaninnovativewaytoidentifyandtrackconcentrationsof

miaoplasticsintheocean.

ThetechniquereliesonNASA'sCycloneGlobalNavigationSatelliteSystem(CYGNSS),aconstellationof

eightmicro-satellitesusedtopredicthurricanesthatcalculatewindspeedsabovetheoceanbymeasuringthe

roughnessofsurfacewaters.Asthesatellitesarccontinuouslyrecording.RufandEvansrealisedthattheycollecta

greatdealofadditionaldata.Itwaswhileanalysingthesedatathattheynoticedsomedifferencestimeswherethe

surfaceoftheoceanappearedtobemuchsmootherthanitshould,giventheprevailingwind（盛行风）conditions.

Knowingthatwaterisn'troughenedasmuchwhenitcontainsalotoffloatingmaterial,RufandEvansidentified

apatterntliatlinkedareasofunusualsmoothnessandpredictedinicroplasticdistributions.Theyfoundthatthe

differencebetweentheirmeasurements,andhowmuchrougherthesurfacewouldbeifwindsofthesamespeedwere

blowingacrossclearwater,was"highlycorrelatedwiththepresenceofmicroplastics,andthedegreeofthedifference

alsocorrelatedwiththeconcentrationoftheplastics.”

Theresearchrevealsthattliereareseasonalvariations,wheretheconcentrationsofmicroplasticstendtobe

higherinthesummerandlowerinthewinterinaveryclean,periodicway,whichRufexplainsminorstliewayin

whichtheoceancirculationchangesthroughouttheyear.Italsoconfirms,aswaspreviouslythought,thatriversare

themainsourceofoceanmicroplastics.

Raisingawarenessoftheissueofoceanmicroplasticsamongthepublicandpoliticiansisjustoneofthe

researchers'fiitxireaims；theyarealsoinconversationwithDutchnon-profitTheOceanCleanupandFinnishclean­

technologyspecialistClewat,whichareinterestedinusingtheinformationtomoreefficientlytargettheirtrash-

collectioncampaigns.

Sofar,onlyoneyear'sworthofdatahavebeenprocessedsinceCYGNSSwaslaunchedin2016.Bylookingat

alongertimeperiod,RufandEvansaimtodetenninewhethertheseasonalpatternisrepeatable,andwhetherthe

concentrationofmicroplasticsintheoceanisgettingworse.

27.WhatisParagraph1meunlyabout?

A.Thelimitedknowledgeaboutoceanmicroplastics.B.Theharmofoceanmicroplasticstoseacreatures.

C.Themethodsofdegradingoceanmicroplastics.D.Thepreviousresearchonoceanmicroplastics.

28.Accordingtothepassage,CYGNSS.

A.hasoffereddataabouttherepeatableseasonalpattern

B.guidesresearchshipstogatherdataaboutseaanimals

C.providesunexpectedcataaboutthechangesofseasurface

D.wasdesignedtomeasurethedistributionofoceanmicroplastics

29.Whatcanwelearnfromthepassage?

A.Microplasticswillendupinthestomachsoftheoceanorganisms.

B.Microplasticsplayavitalroleintlicyearlyoceancirculationchanges.

C.Thesurfaceoftheoceancangetsmootherwithmoremicroplasticsinit.

D.Thenewwayoftrackingmicroplasticshashelpedpreventoceanpollution.

30.Whatisthemainpurposeofthepassage?

A.lbintroducethetechnologyofCYGNSS.B.Topresentawaytostudyoceanmicroplastics.

C.Totestanassumptiononoceanmicroplastics.D.Toproposeanewmeansofprotectingtheocean.

D

Americansclearlylovetheirmuseums.Oneofthemostfamous,NewYork'sMetropolitanMuseumofArt（the

Mei）＞sawarecord6.5millionvisitorsin2015.Butrecordattendancedoesn'tnecessarilytranslateintorecord

revenue（4攵入）。Lastmonth,theMetsaiditwastryingtoeraseaUSS10millionbudgetdeficit（赤字）。Meanwhile,

oneofitsrivals,theMuseumofModemArt（MoMA）,wasabundantincash,butonlyabouttlirccmillionpeople

stoppedbyin2015.Whydosomemuseumsflourishwhileothersflounder?Myresearchleadsmetobelievethere

arethreereasons:fashion,billionairesanddemographics.

First,underlyingtheMet'sfinancialchallengesistheproblemwiththeacquisitionspolicy.Recentdirectorsof

theMetdidnotaddmuchtothemuseum'smodemcollection.TheargumentwasthatmuseumssuchastheMoMA

werealreadyprovidingsuchworksintheircollectionsandthattheacquisitionofcontemporaryartbylivingartists

wasproblematicandrisky.However,giventhefactthatmuseum-goersincreasinglyfavorcontemporaryart,the

revenueoftheMetwilllikelyfallifitisn'tabletokeepupwiththetastesofthecustomers.Andbythetimeitmight

recognizethis,ifsalreadytoolatetodomuchaboutitbecausethecoststoacquirethein-demandartissky-high.This

leadstoasecondcriticalissue-thechangingdistributionofincomeanditseffectsonmuseumfinanceandoperation.

Wearelivinginaboomperiodforcontemporaryart.Thenumberofauctions（拍卖）andartfairshasgrown

enonnouslytoaccommodatethisgrowingmarket.Inaworldwithabout1,800billionaires,itonlytakesarelative

fewtodrivehigh-endartpricestoastronomicallevels.WorksbytheGennanartistGerhardRichterhavegenerated

SI.2billioninsalesinrecentyears.Thesoaringpricesmeanmuseumssimplycan'tkeepupandmustusuallydepend

ondonationstoassemblethebestworks,orthey'repricedout.Moreover,billionairesthemselvesareincreasingly

settnguptheirownprivatemuseums,furtherdistancingtheabilityofpublicmuseumstogetthegoodstuff.

Athirdinterrelatedproblemisthatdemographicissueshaveputpressureontherevenueside.

Unemployment,earlyretirementsandtheagingofthepopulationintheUShavecontributedtoincreased

attendanceatmuseums.Youmighttliinkit'sagoodthing,butmoretrafficmeanshighercosts,andwhenthose

additionalvisitorsdon'tresultinmorerevenue,profitabilitygoesdown.Thisisbecauseofthelongstanding

movementtowardmakingmuseums"free"byhavingindividuals,govemmentorbusinesses"sponsor"thecost.But

whenthatsupportgetsreducedbybudgetcostsoranotherreason,museumsmusteithercoverthecostthemselvesor

losepatronsbysuddenlychargingfees.Phcrcisevidencethatattendanceriseswheneconomicgrowthslews,but

thatsalsowhenthose"sponsors"arcmorelikelytobegintodisappear.

Museumswillcertainlycontinuetoexistandprovideuswithinvaluableinsightsintoourculture.Buttheymust

existundereconomicprinciples,andit'dbewisefbrtheiradministratorstoconsidertheeconomicsintheir

calculations.

31.Accordingtotheauthor..

A.MoMAsawariseinconationduetoitsincreasedattendance

B.theMetfailedtorespondtotheartistictastesofmodemvisitors

C.theMetconsideredworksofthelivingartistsasquestionable

D.MoMAaddedtoitsinodemcollectiondespitethebudgetdeficit

32.Whatcanwcinferfromthepassage?

A.Billionairescontrolarauctionstopriceoutpublicmuseiuns.

B.Theboomofmodemartwillleadvisitorstoprivatemuseums.

C.Theincreaseinvisitorscanhurttheprofitabilityofmuseums.

D.Economicslowdownsresultinaweakenedinterestinmuseums.

33.Whatistheauthor'sattitudetowardsthefutureofinuseunisintheUS?

A.Pessimistic.B.Doubtful.C.Cautious.D.Uncertain.

34.Whichisthebesttitleofthepassage?

A.HowcanMuseumsBoostRevenues?B.ShouldMuseumsChargeEntranceFees?

C.WillMuseumsSuniveinaFast-changingWorld?D.WhatCausestheFinancialChallengesofMuseums?

四、朝阳区

C

Millionsofmigratory（迁徙的）birdsoccupyseasonallyfavorablebreeding（繁殖）peregrinealcon

groundsintheArctic,butscientistsknowlittleaboutthefbmiation,maintenanceandfuture

ofthemigrationroutesofArcticbirdsandthegeneticdeterminantsofmigratorydistance.In

anewstudy,amultinationalteamofresearchersundertheleadershipofDr.ZHAN

XiangjiangfromtheInstimtcofZoologyoftheChineseAcademyofSciencesintegratedtwo

state-ofthc-arttechniques-satellitetrackingandwholegenomesequencing（基因排序）-

andestablishedacontincntal-scalcmigrationsystemofperegrinefalconsinEurasianArctic.

Theresearcherstracked56peregrinefalconsfromsixEurasianArcticbreedingpopulationsandsequenced35

genomesfromfourofthesepopulationstostudythemigrationofthisspecies.Theyfoundthatthebirdsusedfive

migrationroutesacrossEurasia,probablyestablishedbetweenthelasticeAge22,0（X）yearsagoandthemiddle-

Holocene6,0（X）yearsago."PeregrinefalconsinitiatedtheirautumnmigrationmainlyinSeptember,andarrivedat

theirwinteringareasmainlyinOctober,"saidProfessorMikeBruford,anecologistatCardiffUniversity.''Peregrine

falconsthatdepartfromdifferentbreedinggroundsusedifferentroutes,andwinteratwidelydistributedsitesacross

fourdistinctregions.Individualbirdsthatweretrackedformorethanoneyearexhibitedstrongpathrepeatability

duringmigration,completeloyaltytowinteringlocationsandlimitedbreedingdispersal（扩散）

Theresearchersquantifiedthemigrationstrategiesandfoundthatmigrationdistanceisthemostsignificant

differentiation.Theyusedwholegenomesequencingandfoundagene-ADCY8.whichisknowntobeinvolvedin

long-termmemoryinotheranimalsinpreviousresearch-associatedwithdifferencesinmigratorydistance.They

foundADCY8hadavariantathighfrequencyinlong-distancemigrantpopulationsofperegrinefalcons,indicating

thisvariantisbeingfavorablyselectedbecauseitmayincreasepowersoflong-termmemorythoughttobeessential

forlong-distancemigration.

"Previousstudieshaveidentifiedseveralcandidategenomicregionsthatmayregulatemigration-buto.irwork

isthestrongestdemonstrationofaspecificgeneassociatedwithmigratorybehavioryetidentified,"ProfessorBruford

said.Theresearchersftirtherlookedatmodelsoflikelyfuturemigrationbehaviortopredicttheimpactofglobal

wanning.Iftheclimatewarmsatthesamerateasithasinrecentdecades,theypredictperegrinepopulationsin

westernEurasiahavethehighestprobabilityofpopulationdeclineandmaystopmigratingaltogether.

“Ourworkisthefirsttobegintounderstandthewayecologicalfactorsmayinteractinmigratorybirds,“saidDr.

ZIIANXiangjiang.kkWehopeitwillserveasacornerstonetohelpconservemigratoryspeciesintheworld.

27.WhatcanwcIcamfromthefirsttwoparagraphs?

A.Fivebirds'historicalmigrationrouteswererebuilt.

B.Peregrinefalconssticktotheareaswheretheywinter.

C.Twonovelresearchmethodsofmigrationwereinvented.

D.PeregrinefalconsleavefbrArcticregionsinSeptember.

28.WhatcanwcinferaboutADCY8?

A.Itisanewly-discovercdgeneinthenewstudy.

B.Itservesasaftmdamcntalpartoflong-distancemigration.

C.Itcouldbestrengthenedbythepoweroflon