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必修第一册Unit3SportsandFitnessⅠ.阅读理解AThedaysofstaringatthecomputerscreenpretendingtobeinterestedinanassignmenteventhoughyouareboredoutofyourmindmaysoonbecomingtoanend.That’sbecauseifDrHarryWitchel，DisciplineLeaderinPhysiologyatEngland’sBrightonandSussexMedicalSchool，hashisway，computersofthefuturewillbeabletodetectboredomandevenreacttoitreal-time.Butbeforeyougetconcerned，themachineisnotreadingyourmind.Itisjustkeepingtrackoftheconstantinvoluntary(无意识的)movementsthatpeopleexhibitwheninfrontofacomputerorevenatelevision.Thesearenotthebiggerinstrumentalactionslikemovingamouseorusingtheremote，butbarelynoticeablemovementslikescratching，fidgeting，orstretching.Witchelsaysthelevelofmovementisdirectlylinkedtohowabsorbedthepersonisinwhatheorsheisreadingorwatching.Thehighertheinterestlevel，thelessthemovement!Totestthetheory，Witchelandhisteaminvited27peopleandexposedthemtoavarietyofdigitalcontentsforthreeminutesatatime.Theactivitiesrangedfromplayingonlinegamestoreadingdocumentslikethebankingregulationsthatmostpeoplewouldfindboring.Avideomotiontrackermonitoredtheirmovementsastheypoweredthrougheachassignment.Justastheresearchershadexpected，theinvoluntaryactionsdecreaseddramatically，byasmuchas42%，whentheparticipantsweretotallyabsorbedinwhattheywerereadingorseeing.Fortunately，thescientistsarenotplanningtousethefindingstocreatemachinesthatreportstudentswhoarenotfocusingatschool.Instead，theybelievethatcombiningthemotion-detectingtechnologywithfuturecomputerswillhelpenhancethedigitallearningexperience.Thescientistssaythatbeingabletomeasurethestudents’interestlevelwillenableeducatorstoadjustthematerialsreal-timeandre-engagethestudents.Witchelalsobelievesthatthetechnologycanprovidefilmmakerswithhonestaudienceopinions.1．AccordingtoDrHarry，whatwillfuturecomputersbeabletodo?A．Keepalearnerfromdistraction.B．Helpalearnerwithhisassignments.C．Readalearner’smindexactlyreal-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．Whatistheauthor’spurposeinwritingthetext?A．Tointroduceanupcomingtechnology.B．Toupdateeducators’teachingconcept.C．Toshowwhatlearningwillbelikeinthefuture.D．Toexplainhowlifewillbeshapedbytechnology.BANASA-fundedstudyusedsatellitetosearchforpenguinpoops(粪便)inAntarctica：funnyatfirstsightthough，itresultedinuniqueinsightsontheAdeliepenguin’sdietanditsfutureastheclimatechanges.Thefindingspublishedrecentlyunlockedthesecretsaboutthespeciesthatcanprovideanearly-warningofthreatstoAntarctica’sdelicateecosystem.ResearchersfromStonyBrookUniversityusedsatelliteimagestoseeiftheAdeliepenguin’sdiethasbeenchanginginresponsetoAntarctica’schangingclimate.Adeliepenguinpopulationhasdroppedgreatlyinsomeareasevenastheglobalpopulationincreases.Thesatelliteimagescannotshowthepenguinsindividually，buttheirpresencecanbedetectedbythestain(污渍)leftontheicebytheirwaste，calledguano.Maleandfemalepenguinstaketurnsincubating(孵化)inthenest.Theguanobuildsupinthesameareasoccupiedbythenests.HeatherLynch，associateprofessoratStonyBrook，alongwithhisteam，usedtheareaofthecolonyasdefinedbytheguanostaintoworkbacktothenumberofpairs.AglobalsurveyforAdeliepenguinsturnedup3.8millionbreedingpairs.Also，thesatellitedatacandetectthecolorofthepenguinguano，rangingfromwhitetopinktodarkred.Whiteguanoisfromeatingmostlyfish；pinkandredwouldbefromeatingmostlykrill(磷虾)．TheteamfoundthatwhiletheAdeliepenguin’sdietdidshowchangesfromyeartoyear，noconsistentpatternwasobvious.“Thiswasabigsurprise，sincetheabundanceanddistributionofAdeliepenguinshaschangeddramaticallyoverthelast40yearsandscientistshadassumedthatachangeindietmighthaveplayedarole，”saidCaseyYoungflesh，agraduatestudentfromtheuniversity.However，continuedchangesinthephysicalenvironmentandagrowingkrillfisheryintheregionarelikelytohaveaninfluenceonpenguinprey(猎物)andpenguinpopulationitself.“ToolslikethesewillbeimportantforthemanagementoftheAntarcticecosystem，whichisoftenconsideredamongthemostprimitiveareasintheworld，”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．MoreAdeliepenguinshaveappearedoverthelast40years.B．Therewasnotanobviouschangingpatternofpenguin’sdiet.C．Dietchangesdidn’tactuallyaffectpenguinpopulationasassumed.D．FisherywasimportantforthemanagementoftheAn