2024年步步高高考英語大一輪復(fù)習(xí)（新人教版）必修第一冊含答案

2024年步步高高考英語大一輪復(fù)習(xí)（新人教版）必修第一冊

Unit1TeenageLife

I.閱讀理解

A

Inflammation<炎癥）isthebody'sdefensemechanism.Youmighthaveexperienceditifyou

sustainedphysicalinjuriesorhadaninfection,liketheflu,whichcausesasorethroat.Inflammation

canoccurinanyorgan,butitismostcommonandeasytoseeintheskin.Youwillnoticeredness,

heatandswelling.

Usuallythisisagoodthing,asitshowsyouhaveahealthyimmunesystemthatcankill

pathogens（病原體）andrepairdamage.However,inflammationcanbeadouble-edgedswordasin

somepeopleitcantargetthebody'shealthycells,causingwhatiscalledanautoimmunedisease.

Giventhisdanger,anewstudyfromCambridgeUniversity,theUK,hasbeenlookinginto

brainconditionsthatarenotusuallylinkedtoautoimmunediseases.Thestudyfoundthat

inflammationofthebrain——knownasneuroinflammation（神經(jīng)炎癥）——hasbeenlinkedtoseveral

formsofdementia（癡呆）.

Inthisnewstudy,researchersscannedthebrainsof31volunteerswiththreedifferenttypesof

dementia.Thefirstscanwastohighlightneuroinflammation,andasecondscanilluminated（闡明）

poisonousproteinsthatarelinkedwithdementia.Theteamalsoexamined12post-mortem（after

death）brains.

Theseexperimentsshowedsimilarpatternsofpoisonousproteinbuild-upand

neuroinflammation,suggestingarelationshipbetweeninflammationanddementia.

“Evenweweresurprisedbyhowtightlythesetwoproblemsmappedontoeachother.Now,

thebigquestioniswhatrolethisneuroinflammationplaysinthedeclineofthemindassociated

withdementia,“saidThomasCope,oneoftheauthorsofthestudy.

Anotherofthestudy'sresearchers,JamesRowe,highlightedtheimportanceoffurther

research.Hesaidthefrequentpresenceofinflammationinneurodegenerative（神經(jīng)退化的）

diseases,includingAlzheimerJsandParkinson'sdisease,offershopethatimmune-based

treatmentsmighthelpsloworpreventtheseconditions”.

1.Whyisinflammationusuallyagoodthing?

A.Itcandefendourbodyagainstinfection.

B.Itallowsinjuriestohealthemselves.

C.Itgiveslong-termprotectiontohealthycells.

D.Itisareflectionofahealthyimmunesystem.

2.WhatdidthestudyfromCambridgeUniversityfind?

A.Neuroinflammationleadstodementia.

B.Increasedpoisonousproteinsinthebraincausedementia.

C.Therearelinksbetweenneuroinflammationanddementia.

D.Poisonousproteinbuild-upandneuroinflammationhavedifferentpatterns.

3.WhatisstillunknownaccordingtoThomasCope?

A.Whyneuroinflammationisconnectedwithdementia.

B.Howthedeclineofthemindisassociatedwithdementia.

C.Howtopreventneuroinflammationfromdevelopingintodementia.

D.Towhatextentneuroinflammationanddementiaarelinkedwitheachother.

4.WhatcanbeinferredfromJamesRowe'swords?

A.Inflammationisoneofthecausesofneuroinflammation.

B.Immune-basedtreatmentswouldbethebestcurefordementia.

C.Researchonneuroinflammationcouldhelptreatneurodegenerativediseases.

D.Furtherresearchwillfocusonmethodsofcuttingpoisonousproteinsinthebrain.

B

Almosteverymonth,anewpieceofresearchappearslinkingdietshighinprocessed"junk”

foodswithobesityandpoorhealth.ltisn,tyetcleariftheyhaveacause-and-effect

relationship.Butdeeperresearchisstartingtoappearfromtrialsthatcomparedietswhicharebased

oneitherextremelyprocessedfoodsorwholefoods（天然食品），yetarecarefullymatchedfor

nutrientsinallotherways.

Thelinksneedinvestigatingasamatterofurgency.Iftheseprocessedfoodsreallydocarry

essentialhealthrisks,itcouldmeanthatofficialadviceabouthealthyeatinghasbeenaimingatthe

wrongtargetfordecades.Inalmostallhigh-incomecountries,nutritionguidelinessaythekeyto

healthyeatingisavoidingtoomuchfat,saltandsugar.

Whilemanytypesofprocessedfoodcontainsignificantquantitiesofthesenot-well-thought-of

ingredients,notalldo,andtherearewholefoodsthatarealsohighinsomeofthem.Redmeatand

somedairyproductscomewiththeirshareoffat,forinstance.ltisstillunclearifitisbetterto

switchto“healthier”low-fatversionsofprocessedfoods,ortocookfromscratch,whateverthe

ingredients.

Equallynotcleariswhatactiongovernmentsshouldbetaking.Somecampaignersarenow

callingforhighertaxesonfactory-madefoods.Thatwouldbecontroversial,however,becausethese

foodsmakeupto60percentofpeopleJsdietsincountriessuchastheUKandthe

US.Additionally,anypriceincreaseislikelytohitlower-incomehouseholdshardest,manyof

whichconsumemoreofsuchproductsbecauseprocessedfoodscanbecheaperthanmakingmeals

fromtheiroriginalingredients,andthecostdifferenceisevengreaterifyoutakeintoaccountthe

timetakentocookfromscratch.

Ratherthantaxation,amostpracticalapproachmaybeforschoolstostartteachingpupilshow

tomakequickandsimplehome-cookedmeals.Thisapproachwouldtakemanyyearstobearfruit,

astheencroachment（侵蝕）ofprocessedfoodsintoWesterncuisinetookplaceoverdecades.lt

isn'tgoingtobecompletelychangedovernight.

5.Whatcanbelearnedaboutprocessedfoods?

A.Theyaremorenutritiousthanwholefoods.

B.Theycanhelpavoidbeingoverweightandunhealthy.

C.Theyhavelessfat,saltandsugarthanwholefoods.

D.Theydon'tnecessarilycarrysuchhighhealthrisks.

6.Howdoestheauthordevelopparagraph3?

A.Bygivingreasons.

B?Bylistingfacts.

C.Byansweringquestions.

D.Byshowingastudyresult.

7.What'stheauthor'sattitudetowardshighertaxationonprocessedfoods?

A.Favorable.B.Tolerant.

C.Opposed.D.Carefree.

8.Whatwillbethefutureofprocessedfoods?

A.Theywillstillexistinpeople'sdietsforsomeyears.

B.Theywillbeover-taxed.

C.TheywillberemovedfromWesterncuisine.

D.Theywillbereplacedbyhome-mademealssoon.

n.完形填空

（2023?江蘇南通如皋調(diào)研）

Oneday,Rosie,15,whohasprofoundandmultiplelearningdisabilities（PMLD）foundher

currenttoybroken.lthad]hersincehersecondbirthday.Afteralltheattemptstofixit

2_，hersister,JosieWheel,decidedtogivesocialmediaashot.

ShepostedamessageonTwitteraskingforhelptofinda3modelofthetoy."Thetoy

hadstoppedbeing4bythecompanynearlyadecadeagoandwe're5theonesthat

work.Weneverexpectedthe6tobesohugeontheInternet,“saidthe18-year-oldfrom

Coventry.

Shesaidmanywarm-heartedpeopleweresodeterminedtohelpjustoutofthegoodnessof

theirheart7theyknewnothingaboutRosie.About15substituteshadsofarbeen8,but

peoplewerestillcomingforward.ltwould9becloserto30whichwasamazing.Peoplehad

alsoofferedtofixthebrokentoysaftertheybegantobreakduetosomuch10.

uRosiedoesn*tcompletelyunderstandeverythingthat,sgoingonbecauseofher_H

butwhenshereceivesallofthemnextmonthandcanphysicallyseethemIcanimagineher

12,“LorraineWheel,thegirls'mother,13.“Josieandhersisterhavethestrongest14

andJosiehasdonemanythingsto15thatRosieisthehappiestgirlever.Icouldn,tbemore

proudofher.”

1.A.humbledB.discouraged

C.accompaniedD.convinced

2.A.endedB.helped

C.changedD.failed

3.A.specificB.separate

C.cheapD.new

4.A.soldB.tested

C.expectedD.assigned

5.A.withdrawingfromB.huntingfor

C.givingupD.takingover

6.A.problemB.difference

C.responseD.distribution

7.A.ifB.once

C.becauseD.though

8.A.receivedB.demanded

C.promisedD.purchased

9.A.probablyB.temporarily

C.regularlyD.normally

10.A.pressureB.coverage

C.applauseD.usage

11.A.guiltB.frustration

C.conditionD.envy

12.A.excitementB.ambition

C.proficiencyD.hesitation

13.A.urgedB.guaranteed

C.comfortedD.added

14.A.supportB.bond

C.willD.point

15.A.ensureB.imagine

C.discoverD.predict

HI.語法填空

XuYuanchongwasafamousChinesetranslator,bestknownfortranslatingChineseancient

poemsintoEnglishandFrench.Xuwasbomin1921inNanchang,JiangxiProvince.Hismother,

whowaswelleducatedandgoodatpainting,hadagreatimpactonXuinhis1.(pursue)

ofbeautyandliterature.WhenstudyingatProvincialNanchangNo.2HighSchool,heexcelledat

English.In1938,he2.(admit)totheDepartmentofForeignLanguages,National

SouthwestAssociatedUniversity,aschool3.graduateshaveplayedacentralrolein

modernChina.Atuniversity,XugaveoutstandingperformancesinEnglish,Russian,French,

whileevenhostingShakespeareclasses,clearlyshowingagiftfortranslation.

Afterhisgraduation,Xudevoted4.(him)toeducationandtranslation.Hewasthe

firstChinesetranslator5.(translate)ChinesepoetryintoEnglishandFrench

verse.Healsotranslatedmany6.(masterpiece)intoChineseincludingTheRedand

theBlackandJean-Christophe.

Inhislastdays,thehundred-year-oldscholarwasstill

workingonthetranslationofShakespeare?scomplete

works.Sevenhoursofworkinfrontofacomputereveryday

is7.unbearabletaskforyoungadults.8.

(surprising),this100-year-oldscholarwasneverboredwith

hiswork,passionatelytypinghistranslationwordbyword,

dayafterday.9.themorningofJune17,Xupassed

awayinBeijingattheageoflOO.Therespectabletranslator

enjoyedalifeworth10.(remember).必修第一

冊Unit2TravellingAround

i.閱讀理解

A

Wheretofindmoneythatcanhelpyoupayforacollegeoruniversityafterhighschool.

TheStudentAssistanceProgram(SAP)

Itisaprovincialstudentsupportprogram,offeringamixoffinancialassistancetothousands

ofstudentseachyear.YoucanonlybesuitableforSAPifyoudon'tgetenoughmoneyfromother

sourcestocoveryourcollegeoruniversityexpenses.TheincomethatyoureporttoSAPgenerally

needstomatchwhatyoureporttotheschoolwhenyoufileyourtaxes.

Youcanusetheonlinecalculatortohelp.You'11seehowmuchfinancialassistanceyoucould

besuitabletoreceivefromSAP.

FinancialAidfromSchools

Youcancheckwiththeschooldirectlytoseewhatfinancialaidprogramstheyoffer.Youcould

besuitableforassistantships,scholarships,work-studyprogramsandsummeremployment

opportunities.Theseareallsourcesofmoneyyoudon'thavetopayback.

EmergencyLoans

Mostschoolsalsoofferemergencyloans.Forexample,youcouldbesuitableforashort-term

loan(90days)tocovertuition,ifyou"rewaitingforSAPtoarrive.Banks,trustcompaniesand

creditunionsofferstudentloansandlinesofcredit.Talktoyourfinancialinstitutionformore

information.

Self-fund

It'sagoodideatosavemoneyfromasummerjoborjobyouholdthroughouttheyearto

helppayforyoureducation.Yourparentsorotherrelativesmightalsobeabletocontributeto

educationcosts.

Anotheroptionistoconsiderinvestingsavingsthroughabank/financialinstitution―sothat

moneycanearninterest—ifyouplantogotocollegeoruniversityinthefuture.

ExtraAssistance

Somestudents,suchasthosewithdisabilitiesorwhoreceivesocialassistance,maybesuitable

foradditionalstudentaid.

1.WhatkindoffinancialassistancedoesSAPoffer?

A.Bankingmethods.

B.Educationexpenses.

C.Futurejobfunds.

D.Campusmedicalcosts.

2.Whichofthefollowingaidsmustberepaidinashorttime?

A.Assistantships.B.Self-fund.

C.Emergencyloans.D.Additionalaid.

3.WhatmayonelearnfromSelf-fund?

A.Academicinstructions.

B.Onlinecourses.

C.After-schoolprograms.

D.Investmentmethods.

B

Arecentstudyhasfollowedtheorigins,orbeginningsofthefamilyoflanguagesthatinclude

modemJapanese,Korean,TurkishandMongolian.Thefindingsshowasharedgeneticancestorfor

thehundredsofmillionsofpeoplewhospeakwhattheresearcherscallTranseurasian（跨歐亞的）

languages.Suchlanguageshadtheiroriginwithmilletfarmerswholivedinanareainnortheastern

Chinaabout9,000yearsago.Milletisasmall,roundwholegrain.ltwasanimportantearlycropas

hunter-gatherersbecamefarmers.

Thestudy'sfindingsshowhowtheuseofagriculturefollowingtheIceAgepoweredthe

movementsofsomeoftheworld?smajorlanguagefamilies.Theresearchhighlightsthecomplex

beginningsofmodernpopulationsandcultures.

MartineRobbeets,headoftheArchaeolinguisticResearchGroup,saidpeopleoftenthinkof

Japan,KoreaandChinaaspowerfulnationsrepresentingonelanguage,onecultureandone

people.UA11languages,culturesandhumans,includingthoseinAsia,aremixed,“Robbeets

said.wAcceptingthattherootsofone'slanguage,cultureorpeopleliebeyondthepresent

nationalboundariesistosurrenderidentity,whichsomepeoplearenotyetpreparedtomake.”

Theresearchersstudieddataofvocabularyfromthe98languages.Theyidentifiedagroupof

wordsrelatedtoagricultureandcreatedalanguagefamilytree.Theresearchersexamineddatafrom

255archaeologicalsitesinChina,Japan,KoreaandeasternRussia.Theystudiedancientobjects

includingpottery,stonetoolsandplantandanimalremains.Theyalsoincludedthedatingof269

ancientcropremainsfromdifferentareas.

TheresearchersfoundthatfarmersinnortheasternChinaeventuallygrewriceandwheat

alongwithmillet.ThecropsspreadalongwithfarmingpopulationstoKoreabyabout1300BCE

andfromtheretoJapanafteraboutlOOOBCE.Astheancientfannersmovedacrossnortheastern

Asia,relatedlanguagesspreadintoSiberia,KoreaandJapanoverthousandsofyears.

4.Accordingtothestudy,whatdoTranseurasianlanguagesoriginatefrom?

A.IceAgepeople.

B.AncientJapanese.

C.Ancientmilletfarmers.

D.Earlyhunter-gatherers.

5.Whatdoestheunderlinedword“surrender“probablymeaninparagraph3?

A.Giveup.B.Maintain.

C.Takein.D.Destroy.

6.Howdotheresearchersconducttheirstudy?

A.Bygivingexamples.

B.Byanalyzingsomestatistics.

C.Bysettingdowngeneralrules.

D.Bydoinganexperiment.

7.Whatisthemainideaofthetext?

A.Foodhasacloserelationshipwithculturediversity.

B.AlargelanguagefamilyhasancientoriginsinChina.

C.Humanactivitiesleadtodifferentlanguagemovements.

D.Theresearchonthelanguagefamily'sbeginningscounts.

C

Puttingamicrochip（芯片）intoone'sbrainbringstheworldasuperhero,whichiscommon

insci-fimovies.However,wemayfinditpossibleinreality.

ElonMusk,founderofSpaceXandco-founderofelectriccarmakerTesla-hasbeenworking

onthistechnology.OnAug.28,Muskgavealivestreamdemonstrationofthechip,whichwas

implantedintotheheadofapignamedGertrude.

Thechip,developedbyMusk'scompany,isthesizeofacoin.Butdon'tletitssizefool

you.Thetinychiphasover3,000electrodes（電極）attachedtoflexiblethreads,whichcanmonitor

about1,000neurons（神經(jīng)元）.Itcollectsneuralsignalsfromanareaofthebrain,andthentransmits

thosesignalswirelesslytonearbycomputers.Inthelivestream,Gertrudecouldbeseenwalking

aroundsniffingthegroundwhileamonitorshowedherbrainactivity.

Thoughthetechnologyisstillinitsearlystage,itisencouragingforhumans.Thistechnology

“wouldsolvealotofbraininjuries”,whichallowsthehumanbraintocombinewithanartificial

intelligence,Musksaid.

Whenthedevicecanbeappliedtohumans,itsmaingoalwillbetohelpthosewhohave

mobilityissues,suchasthosesufferingfromparalysis（癱瘓）.Muskhopesthistechnologycould

alsobeusedtohelpthosewithhearingandeyesightissuesandonedayleadtoacurefbr

epilepsy（癲癇）.

Althoughsuchadevicecould,inprinciple,repairthoseproblems,puttingitintopracticeisby

nomeansapieceofcake.Currenlly,thedevicecantransmitsignalsfromabout500neuronsinthe

pig'sbrain.Comparedto80billionneuronsinahumanbrain,thisnumberistiny.Andtocoverthe

wholehumanbrainalsomeanstheelectrodeshavetobemuchsmaller.Also,implantingthechip

intothebrainposesapotentialdanger.Thereisapossibilityoftheimmunesystemattackingthis

foreignbody.

Rightnow,thehopeofcontrollingthebrainviacontrollingafewneuronsseemsoverly

optimistic."Therearemanytechnologicalchallenges...toovercomebeforeNeuralinkcanputits

devicestothepurposes,“YuanLanfeng,anassociateprofessorattheUniversityofScienceand

TechnologyofChina?toldChinaDaily.

8.WhatdoweknowaboutElonMusk'smicrochipaccordingtothefirstthreeparagraphs?

A.Itisabletocollectwirelesssignals.

B.Itwasinspiredbysci-fimovieplots.

C.Itistinyinsizebutpowerfulinfunction.

D.Ithasnomorethan1,000electrodes.

9.Whatisthemajorgoalofthemicrochipinhumanapplications?

A.Todevelopacureforepilepsy.

B.Tomonitoranimals'brainactivity.

C.TocontributetotheresearchinAItechnologies.

D.Tohelppeoplewithdifficultyinmovingfreely.

10.Whatdoesparagraph6mainlytalkabout?

A.Keydifferencesbetweenpigs'andhumans'brains.

B.Hiddenchallengesandrisksinpractice.

C.Implantingdiechipcostsalot.

D.Theimmunesystemisthemajorproblemtotheimplant.

11.HowdoesYuanLanfengfeelaboutimplantingthechipintothehumanbrain?

A.Excited.B.Cautious.

C.Optimistic.D.Worried.

II.七選五

（2023?江蘇南通期中）

Howdoyougetyourselftotakeactionnow?Herearesomepowerfulsuggestions.

Focusintenselyonthepositivethingsthatyouractionswillaccomplish.1Whetherit,s

somethingyou'reseekingtoaccomplish,orsomethingyou'reseekingtoberidof,picture

exactlyhowyourlifewillbeaftertheworkisdone.Themoreintenselyyoucanimagineit,the

better.

2Theonlyrealreasonyouhaveforavoidingactionisbecauseyouassociatesomekind

ofpainordiscomfortwithit.Therefore,ithelpstoassociatesomethingevenmorepainfulwithnot

takingaction.Insteadoffocusingontherelativelyminorpainoftakingaction,focusinsteadonthe

majorpainofnottakingaction.

3Thinkofallthereasonsyoucancomeupwithtonottakeaction,andthendestroyall

thosereasonswithasingleword一"But."Simplystatetheexcuse,puttheword“but”afterit,

andthenfinishthesentence.Forexample,'Tveneverdonethisbefore,BUTIcanlearn."Stick

theword“but"inthere,andchallengeyourselftofinishthesentence.

Takethefirstsmallstep.Don,tevenconcernyourselfwithcommittingtothewholeproject

orcourseofaction.Justdosomethingveryeasyandverysmall.Thepointistofindalittle

momentum（動力）.4Thenclimbaboardthemomentumtrain,andletithelpyoukeepthe

effortgoing.

Makeitfun.Realizethatjustaboutanythingcanbefunifyou'11thinkofitasfunand

enjoyable.Findawaytomakesomethingfun,andnotonlywillyouwanttodoit；you'11alsobe

betteratit.5

A.Youalwayschoosewhattodo.

B.Layallyourexcusesoutonthetableanddealwiththem.

C.Whateveryoumustdotoachievesuccess,findawaytoenjoyit.

D.Inyourmind,pictureingreatdetailwhatyouractionswillbringyou.

E.Focusonthenegativethingsthatwillhappenifyoudon'ttakeaction.

F.Onceyoutakethatsmallaction,letyourselffullyenjoyhowgreatitfeels.

G.Gettingstartedwithyourbiggesttaskormostdifficultactionmayseemtoomuch.

必修第一冊Unit3SportsandFitness

i.閱讀理解

A

Thedaysofstaringatthecomputerscreenpretendingtobeinterestedinanassignmenteven

thoughyouareboredoutofyourmindmaysoonbecomingtoanend.That?sbecauseifDrHarry

Witchel,DisciplineLeaderinPhysiologyatEngland'sBrightonandSussexMedicalSchool,has

hisway,computersofthefuturewillbeabletodetectboredomandevenreacttoitreal-time.

Butbeforeyougetconcerned,themachineisnotreadingyourmind.ltisjustkeepingtrackof

theconstantinvoluntary（無意識的）movementsthatpeopleexhibitwheninfrontofacomputeror

evenatelevision.Thesearenotthebiggerinstrumentalactionslikemovingamouseorusingthe

remote,butbarelynoticeablemovementslikescratching,fidgeting,orstretching.Witchelsaysthe

levelofmovementisdirectlylinkedtohowabsorbedthepersonisinwhatheorsheisreadingor

watching.Thehighertheinterestlevel,thelessthemovement!

Totestthetheory,Witchelandhisteaminvited27peopleandexposedthemtoavarietyof

digitalcontentsforthreeminutesatatime.Theactivitiesrangedfromplayingonlinegamesto

readingdocumentslikethebankingregulationsthatmostpeoplewouldfindboring.

Avideomotiontrackermonitoredtheirmovementsastheypoweredthrougheach

assignment.Justastheresearchershadexpected,theinvoluntaryactionsdecreaseddramatically,

byasmuchas42%,whentheparticipantsweretotallyabsorbedinwhattheywerereadingor

seeing.

Fortunately,thescientistsarenotplanningtousethefindingstocreatemachinesthatreport

studentswhoarenotfocusingatschool.Instead,theybelievethatcombiningthemotion-detecting

technologywithfuturecomputerswillhelpenhancethedigitallearningexperience.

ThescientistssaythatbeingabletomeasurethestudentsJinterestlevelwillenableeducators

toadjustthematerialsreal-timeandre-engagethestudents.Witchelalsobelievesthatthe

technologycanprovidefilmmakerswithhonestaudienceopinions.

1.AccordingtoDrHarry,whatwillfuturecomputersbeabletodo?

A.Keepalearnerfromdistraction.

B.Helpalearnerwithhisassignments.

C.Readalearnersmindexactlyreal-time.

D.Identifydullnessofalearnerandrespondtoit.

2.Howdoesanabsorbedlearnertendtobehave?

A.Laughandshoutexcitedly.

B.Uselessenergyinanassignment.

C.Performfewerinvoluntaryactions.

D.Shownoticeablemovementsconstantly.

3.Whatisthevalueofthistechnologyforeducators?

A.Betteringtheirdigitallearningexperience.

B.Introducingmorecomputersintoclass.

C.Findingtheabsent-mindedstudentsinclass.

D.Detectingwhatintereststhestudentsmost.

4.WhatistheauthorJspurposeinwritingthetext?

A.Tointroduceanupcomingtechnology.

B?Toupdateeducators'teachingconcept.

C.Toshowwhatlearningwillbelikeinthefuture.

D.Toexplainhowlifewillbeshapedbytechnology.

B

ANASA-fundedstudyusedsatellitetosearchforpenguinpoops（糞便）inAntarctica：funnyat

firstsightthough,itresultedinuniqueinsightsontheAdeliepenguinTsdietanditsfutureasthe

climatechanges.Thefindingspublishedrecentlyunlockedthesecretsaboutthespeciesthatcan

provideanearly-warningofthreatstoAntarcticaJsdelicateecosystem.

ResearchersfromStonyBrookUniversityusedsatelliteimagestoseeiftheAdeliepenguin's

diethasbeenchanginginresponsetoAntarcticaJschangingclimate.Adeliepenguinpopulation

hasdroppedgreatlyinsomeareasevenastheglobalpopulationincreases.Thesatelliteimages

cannotshowthepenguinsindividually,buttheirpresencecanbedetectedbythestain（污漬）lefton

theicebytheirwaste,calledguano.

Maleandfemalepenguinstaketurnsincubating（孵彳七）inthenest.Theguanobuildsupinthe

sameareasoccupiedbythenests.HeatherLynch,associateprofessoratStonyBrook,alongwithhis

team,usedtheareaofthecolonyasdefinedbytheguanostaintoworkbacktothenumberof

pairs.AglobalsurveyforAdeliepenguinsturnedup3.8millionbreedingpairs.Also,thesatellite

datacandetectthecolorofthepenguinguano,rangingfromwhitetopinktodarkred.Whiteguano

isfromeatingmostlyfish；pinkandredwouldbefromeatingmostlykrill（磷蝦）.Theteamfound

thatwhiletheAdeliepenguinJsdietdidshowchangesfromyeartoyear,noconsistentpattern

wasobvious.

“Thiswasabigsurprise,sincetheabundanceanddistributionofAdeliepenguinshas

changeddramaticallyoverthelast40yearsandscientistshadassumedthatachangeindietmight

haveplayedarole,“saidCaseyYoungflesh,agraduatestudentfromtheuniversity.However,

continuedchangesinthephysicalenvironmentandagrowingkrillfisheryintheregionarelikely

tohaveaninfluenceonpenguinprey（獵物）andpenguinpopulationitself."Toolslikethesewillbe

importantforthemanagementoftheAntarcticecosystem,whichisoftenconsideredamongthe

mostprimitiveareasintheworld,“saidYoungflesh.

5.Whatconcernedscientistsmostaccordingtoparagraph1?

A.Theclimatechange.

B?TheAdeliepenguin'sdiet.

C.TheAntarctica'secosystem.

D.Thesecretofpenguinpoops.

6.Howdidscientistscarryoutthestudy?

A.Bydoingexperiments.

B.Byconductingsurveys.

C.Bymakingobservations.

D.Bycollectingdocuments.

7.WhichofthefollowingwouldLynchagreewith?

A.TheAdeliepenguinpopulationwas3.8millionworldwide.

B.Guanocolorsreflectedthehealthconditionofthepenguin.

C.TheAdeliepenguin'sdietstayedthesamemostofthetime.

D.Adeliepenguinwastehelpedestimatethepenguinpopulation.

8.WhatdidYoungflesh'swordssuggest?

A.