专题16科普类说明文三年高考英语真题

专题16科普类说明文-三年高考英语真题精编专题16科普类说明文-三年高考英语真题精编专题16科普类说明文-三年高考英语真题精编20152017年高考英语分类精编专题16科普类说明文2017高考题科普知识类[2017·京卷北]DHollywood'stheorythatmachineswithevil(邪恶的)mindswilldrivearmiesofkillerrobotsisjustsilly.Therealproblemrelatestothepossibilitythatartificialintelligence(AI)maybecomeextremelygoodatachievingsomethingotherthanwhatwereallywant.In1960awell-knownmathematicianNorbertWiener,whofoundedthefieldofcybernetics(控制论),putitthisway:“Ifweuse,toachieveourpurposes,amechanicalagencywithwhoseoperationwecannoteffectivelyinterfere(干预),wehadbetterbequitesurethatthepurposeputintothemachineisthepurposewhichwereallydesire.”Amachinewithaspecificpurposehasanotherquality,onethatweusuallyassociatewithlivingthings:awishtopreserveitsownexistence.Forthemachine,thisqualityisnotin-born,norisitsomethingintroducedbyhumans;itisalogicalconsequenceofthesimplefactthatthemachinecannotachieveitsoriginalpurposeifitisdead.Soifwesendoutarobotwiththesingleinstructionoffetchingcoffee,itwillhaveastrongdesiretosecuresuccessbydisablingitsownoffswitchorevenkillinganyonewhomightinterferewithitstask.Ifwearenotcareful,then,wecouldfaceakindofglobalchessmatchagainstverydetermined,superintelligentmachineswhoseobjectivesconflictwithourown,withtherealworldasthechessboard.Thepossibilityofenteringintoandlosingsuchamatchshouldconcentratethemindsofcomputerscientists.Someresearchersarguethatwecansealthemachinesinsideakindoffirewall,usingthemtoanswerdifficultquestionsbutneverallowingthemtoaffecttherealworld.Unfortunately,thatplanseemsunlikelytowork:wehaveyettoinventafirewallthatissecureagainstordinaryhumans,letalonesuperintelligentmachines.SolvingthesafetyproblemwellenoughtomoveforwardinAIseemstobepossiblebutnoteasy.Thereareprobablydecadesinwhichtoplanforthearrivalofsuperintelligentmachines.Buttheproblemshouldnotbedismissedoutofhand,asithasbeenbysomeAIresearchers.Somearguethathumansandmachinescancoexistaslongastheyworkinteams—yetthatisnotpossibleunlessmachinessharethegoalsofhumans.Otherssaywecanjust“switchthemoff”asifsuperintelligentmachinesaretoostupidtothinkofthatpossibility.StillothersthinkthatsuperintelligentAIwillneverhappen.OnSeptember11,1933,famousphysicistErnestRutherfordstated,withconfidence,“Anyonewhoexpectsasourceofpowerinthetransformationoftheseatomsistalkingmoonshine.However,onSeptember12,1933,physicistLeoSzilardinventedtheneutron-induced(中子引诱)nuclearchainreaction.67．Paragraph1mainlytellsusthatartificialintelligencemay________．A．runoutofhumancontrolB．satisfyhuman'srealdesiresC．commandarmiesofkillerrobotsD．workfasterthanamathematician68．Machineswithspecificpurposesareassociatedwithlivingthingspartlybecausetheymightbeableto________．A．preventthemselvesfrombeingdestroyedB．achievetheiroriginalgoalsindependentlyC．doanythingsuccessfullywithgivenordersD．beathumansininternationalchessmatches69．Accordingtosomeresearchers,wecanusefirewallsto________．A．helpsuperintelligentmachinesworkbetterB．besecureagainstevilhumanbeingsC．keepmachinesfrombeingharmedD．avoidrobots'affectingtheworld70．Whatdoestheauthorthinkofthesafetyproblemofsuperintelligentmachines?A．ItwilldisappearwiththedevelopmentofAI.B．Itwillgetworsewithhumaninterference.C．Itwillbesolvedbutwithdifficulty.D．Itwillstayforadecade.[2017·苏卷江]BBeforebirth，babiescantellthedifferencebetweenloudsoundsandvoices.Theycanevendistinguishtheirmother'svoicefromthatofafemalestranger.Butwhenitcomestoembryoniclearning(胎教)，birdscouldruletheroost.AsrecentlyreportedinTheAuk：OrnithologicalAdvances，somemotherbirdsmayteachtheiryoungtosingevenbeforetheyhatch(孵化).New-bornchickscanthenimitatetheirmum'scallwithinafewdaysofenteringtheworld.Thiseducationalmethodwasfirstobservedin2012bySoniaKleindorfer，abiologistatFlindersUniversityinSouthAustralia，andhercolleagues.FemaleAustraliansuperbfairywrenswerefoundtorepeatonesoundoverandoveragainwhilehatchingtheireggs.Whentheeggswerehatched，thebabybirdsmadethesimilarchirptotheirmothers—asoundthatservedastheirregular“feedme！”call.Tofindoutifthespecialqualitywasmorewidespreadinbirds，theresearcherssoughtthered-backedfairywren，anotherspeciesofAustraliansongbird.Firsttheycollectedsounddatafrom67nestsinfoursitesinQueenslandbeforeandafterhatching.Thentheyidentifiedbeggingcallsbyanalysingtheorderandnumberofnotes.Acomputeranalysisblindlycomparedcallsproducedbymothersandchicks，rankingthembysimilarity.Itturnsoutthatbabyred-backedfairywrensalsoemergechirpingliketheirmums.Andthemorefrequentlymothershadcalledtotheireggs，themoresimilarwerethebabies'beggingcalls.Inaddition，theteamsetupaseparateexperimentthatsuggestedthatthebabybirdsthatmostcloselyimitatedtheirmum'svoicewererewardedwiththemostfood.Thisobservationhintsthateffectiveembryoniclearningcouldsignalneurological(神经系统的)strengthsofchildrentoparents.Anevolutionaryinferencecanthenbedrawn.“Asaparent，doyouinvestinqualitychildren，ordoyouinvestinchildrenthatareinneed？”Kleindorferasks.“Ourresultssuggestthattheymightbegoingforquality.”58．TheunderlinedphraseinParagraph1means．“________”A．betheworstB．bethebestC．bejustasbadD．bejustasgood59．WhatareKleindorfer'sfindingsbasedon?A．Similaritiesbetweenthecallsofmumsandchicks.B．TheobservationoffairywrensacrossAustralia.C．ThedatacollectedfromQueensland'slocals.D．Controlledexperimentsonwrensandotherbirds.60．Embryoniclearninghelpsmotherbirdstoidentifythebabybirdswhich________．A．canreceivequalitysignalsB．areinneedoftrainingC．fittheenvironmentbetterD．maketheloudestcall[2017江·苏卷]DOldproblem，newapproachesWhilecleanenergyisincreasinglyusedinourdailylife，globalwarmingwillcontinueforsomedecadesafterCO2emissions(排放)peak.Soevenifemissionsweretobegintodecreasetoday，wewouldstillfacethechallengeofadaptingtoclimatechange.HereIwillstresssomesmarterandmorecreativeexamplesofclimateadaptation.Whenitcomestoadaptation，itisimportanttounderstandthatclimatechangeisaprocess.Wearethereforenottalkingaboutadaptingtoanewstandard，buttoaconstantlyshiftingsetofconditions.Thisiswhy,inpartatleast，theUSNationalClimateAssessmentsaysthat：“Thereisno‘one-sizefitsall’adaptation.”Nevertheless，therearesomeactionsthatoffermuchandcarrylittleriskorcost.Aroundtheworld,peopleareadaptinginsurprisingways，especiallyinsomepoorcountries.FloodshavebecomemoredamaginginBangladeshinrecentdecades.MohammedRezwansawopportunitywhereotherssawonlydisaster.Hisnot-for-profitorganizationruns100riverboatsthatserveasfloatinglibraries

，schools，andhealthclinics，andareequippedwith

solarpanelsandothercommunicating

facilities.

Rezwaniscreatingfloatingconnectivity(连接)toreplacefloodedroadsandhighways.Butheisalsoworkingatafarmorefundamentallevelhisstaffshowpeoplehowtomakefloatinggardensandfishpondstopreventstarvationduringthewetseason.ElsewhereinAsiaevenmoreastonishingactionsarebeingtaken.ChewangNorphellivesinamountainous

：regioninIndia,whereheisknownastheIceMan.Thelossofglaciers(冰川)thereduetoglobalwarmingrepresentsanenormousthreattoagriculture.Withouttheglaciers,waterwillarriveintheriversattimeswhenitcandamagecrops.Norphel'sinspirationcamefromseeingthewasteofwateroverwinter,whenitwasnotneeded.Hedirectedthewastedwaterintoshallowbasinswhereitfroze,andwasstoreduntilthespring.Hisfieldsoficesupplyperfectlytimedirrigation(灌溉)water.Havingcreatedninesuchicereserves,Norphelcalculatesthathehasstoredabout200，000m3ofwater.Climatechangeisacontinuingprocess,soNorphel'sicereserveswillnotlastforever.Warmingwillovertakethem.Butheisprovidingafewyearsduringwhichthefarmerswill,perhaps,beabletofindothermeansofadapting.IncreasingEarth'sreflectivenesscancooltheplanet.InsouthernSpainthesuddenincreaseofgreenhouses(whichreflectlightbacktospace)haschangedthewarmingtrendlocally,andactuallycooledtheregion.WhileSpainasawholeisheatingupquickly,temperaturesnearthegreenhouseshavedecreased.Thisexampleshouldactasaninspirationforallcities.Bypaintingbuildingswhite,citiesmayslowdownthewarmingprocess.InPeru,localfarmersaroundamountainwithaglacierthathasalreadyfallenvictimtoclimatechangehavebegunpaintingtheentiremountainpeakwhiteinthehopethattheaddedreflectivenesswillrestorethelife-givingice.Theoutcomeisstillfarfromclear.ButtheWorldBankhasincludedth

eprojectonitslistof

“100ideastosavetheplanet．”Moreordinaryformsofadaptationarehappeningeverywhere.AfriendofmineownsanareaoflandinwesternVictoria.Overfivegenerationsthelandhasbeentoowetforcropping.Butduringthepastdecadedecliningrainfallhasallowedhimtoplanthighlyprofitablecrops.Farmersinmanycountriesarealsoadaptinglikethis—eitherbygrowingnewproduce,orbygrowingthesamethingsdifferently.Thisiscommonsense.Butsomesuggestionsforadaptingarenot.Whenthepollutingindustriesarguethatwe'velostthebattletocontrolcarbonpollutionandhavenochoicebuttoadapt,it'sanonsensedesignedtomakethecaseforbusinessasusual.Humanbeingswillcontinuetoadapttothechangingclimateinbothordinaryandastonishingways.Butthemostsensibleformofadaptationissurelytoadaptourenergysystemstoemitlesscarbonpollution.Afterall,ifweadaptinthatway,wemayavoidtheneedtochangeinsomanyothers.65．TheunderlinedpartinParagraph2implies________．A．adaptationisanever-changingprocessB．thecostofadaptationvarieswithtimeC．globalwarmingaffectsadaptationformsD．adaptationtoclimatechangeischallenging66．WhatisspecialwithregardtoRezwan'sproject?A．Theprojectreceivesgovernmentsupport.B．Differentorganizationsworkwitheachother.C．Hisorganizationmakesthebestofabadsituation.D．Theprojectconnectsfloodedroadsandhighways.67．WhatdidtheIceMandotoreducetheeffectofglobalwarming?A．Storingiceforfutureuse.B．Protectingtheglaciersfrommelting.C．Changingtheirrigationtime.D．Postponingthemeltingoftheglaciers.68．WhatdowelearnfromthePeruexample?A．Whitepaintisusuallysafeforbuildings.B．Theglobalwarmingtrendcannotbestopped.C．Thiscountryisheatinguptooquickly.D．Sunlightreflectionmayrelieveglobalwarming.69．Accordingtotheauthor,pollutingindustriesshould________．A．adapttocarbonpollutionB．planthighlyprofitablecropsC．leavecarbonemissionaloneD．fightagainstcarbonpollution70．What'stheauthor'spreferredsolutiontoglobalwarming?A．Settingupanewstandard.B．Reducingcarbonemission.C．Adaptingtoclimatechange.D．Monitoringpollutingindustries.[2017全·国卷Ⅰ]DAbuild-it-yourselfsolarstill(蒸馏器)isoneofthebestwaystoobtaindrinkingwaterinareaswheretheliquidisnotreadilyavailable.DevelopedbytwodoctorsintheUSDepartmentofAgriculture,it'sanexcellentwatercollector.Unfortunately,youmustcarrythenecessaryequipmentwithyou,sinceit'sallbutimpossibletofindnaturalsubstitutes.Theonlycomponentsrequired,though,area5

×5′

sheetofclear′orslightlymilkyplastic,sixfeetofplastictube,andacontainer—perhapsjustadrinkingcup—tocatchthewater.Thesepiecescanbefoldedintoaneatlittlepackandfastenedonyourbelt.Toconstructaworkingstill,useasharpstickorrocktodigaholefourfeetacrossandthreefeetdeep.Trytomaketheholeinadampareatoincreasethewatercatcher'sproductivity.Placeyourcupinthedeepestpartofthehole.Thenlaythetubeinplacesothatoneendrestsallthewayinthecupandtherestofthelinerunsup

—andout—thesideofthehole.Next,covertheholewiththeplasticsheet,securingtheedgesoftheplasticwithdirtandweightingthesheet'scentredownwitharock.Theplasticshouldnowformacone(圆锥体)with45-degree-angledsides.Thelowpointofthesheetmustbecentereddirectlyover,andnomorethanthreeinchesabove,thecup.Thesolarstillworksbycreatingagreenhouseundertheplastic.Groundwaterevaporates(蒸发)andcollectsonthesheetuntilsmalldropsofwaterform,rundownthematerial,andfalloffintothecup.Whenthecontainerisfull,youcansucktherefreshmentoutthroughthetube,andwon'thavetobreakdownthestilleverytimeyouneedadrink.32．Whatdoweknowaboutthesolarstillequipmentfromthefirstparagraph?A．It'sdelicate.

B．It'sexpensive.C．It'scomplex.

D．It'sportable.33．Whatdoestheunderlinedphrase

“thewatercatcher

”

inParagraph2referto?A．Thetube.

B．Thestill.C．Thehole.

D．Thecup.34．Whatisthelaststepofconstructingaworkingsolarstill?A．Digaholeofacertainsize.B．Putthecupinplace.C．Weightthesheet'scentredown.D．Covertheholewiththeplasticsheet.35．Whenasolarstillworks,dropsofwatercomeintothecupfrom________．A．theplastictube

B．outsidetheholeC．theopenair

D．beneaththesheet[2017

全·国卷Ⅱ

]CTerrafugiaInc.saidMondaythatitsnewflyingcarhascompleteditsfirstflight

，bringingthecompanyclosertoitsgoalofsellingtheflyingcarwithinthenextyear.Thevehicle

—namedtheTransition

—hastwoseats,fourwheelsandwingsthatfoldupsoitcanbedrivenlikeacar.TheTransition

，whichflewat1

，400feetforeightminuteslastmonth,canreacharound70milesperhourontheroadand115intheair.Itfliesusingtankofgasandburns5gallonsperhourintheair.Ontheground,itgets35milespergallon.

a23-gallonAround100peoplehavealreadyputdowna$10，000deposittogetaTransitionwhentheygoonsale,andthosenumberswilllikelyriseafterTerrafugiaintroducestheTransitiontothepubliclaterthisweekattheNewYorkAutoShow.Butdon'texpectittoshowupintoomanydriveways.It'sexpectedtocost$279，000.Anditwon'thelpifyou'restuckintraffic.Thecarneedsarunway.Inventorshavebeentryingtomakeflyingcarssincethe1930s,accordingtoRobertMann,anairlineindustryexpert.ButMannthinksTerrafugiahascomecloserthananyonetomakingtheflyingcarareality.Thegovernmenthasalreadypermittedthecompanytousespecialmaterialstomakeiteasierforthevehicletofly.TheTransitionisnowgoingthroughcrashteststomakesureitmeetsfederalsafetystandards.MannsaidTerrafugiawashelpedbytheFederalAviationAdministration'sdecisionfiveyearsagotocreateaseparatesetofstandardsforlightsportaircraft,whicharelowerthanthoseforpilotsoflargerplanes.Terrafugiasaysanownerwouldneedtopassatestandcomplete20hoursofflyingtimetobeabletoflytheTransitionrequirementpilotswouldfindrelativelyeasytomeet.

，a28．Whatisthefirstparagraphmainlyabout?A．ThebasicdataoftheTransition.B．Theadvantagesofflyingcars.C．Thepotentialmarketforflyingcars.C．ThedesignersoftheTransition.29．WhyistheTransitionunlikelytoshowupintoomanydriveways?A．Itcausestrafficjams.B．Itisdifficulttooperate.C．Itisveryexpensive.D．Itburnstoomuchfuel.30．Whatisthegovernment'sattitudetothedevelopmentoftheflyingcar?A．Cautious.

B．Favourable.C．Ambiguous.

D．Disapproving.31．Whatisthebesttitleforthetext?A．FlyingcaratAutoShowB．TheTransition'sfirstflightC．Pilots'dreamcomingtrueD．Flyingcarclosertoreality[2017·全国卷Ⅲ]DTheIntelligentTransportteamatNewcastleUniversityhaveturnedanelectriccarintoamobilelaboratorynamed“DriveLAB”inordertounderstandthechallengesfacedbyolderdriversandtodiscoverwherethekeystresspointsare.Researchshowsthatgivingupdrivingisoneofthekeyreasonsforafallinhealthandwell-beingamongolderpeople,leadingtothembecomingmoreisolated(间隔)andinactive.LedbyProfessorPhilBlythe,theNewcastleteamaredevelopingin-vehicletechnologiesforolderdriverswhichtheyhopecouldhelpthemtocontinuedrivingintolaterlife.Theseincludecustom-madenavigation(导航)tools,nightvisionsystemsandintelligentspeedadaptations.PhilBlytheexplains:“Formanyolderpeople,particularlythoselivingaloneorinthecountry,drivingisimportantforpreservingtheirindependence,givingthemthefreedomtogetoutandaboutwithouthavingtorelyonothers.“Butweallhavetoacceptthataswegetolderourreactionsslowdownandthisoftenresultsinpeopleavoidinganypotentiallychallengingdrivingconditionsandlosingconfidenceintheirdrivingskills.Theresultisthatpeoplestopdrivingbeforetheyreallyneedto.

”DrAmyGuo,theleadingresearcherontheolderdriverstudy,explains:“TheDriveLABishelpingustounderstandwhatthekeystresspointsanddifficultiesareforolderdriversandhowwemightusetechnologytoaddresstheseproblems.“Forexample,mostofuswouldexpectolderdriversalwaysgoslowerthaneveryoneelsebutsurprisingly,wefoundthatin30mphzonestheystruggledtokeepataconstantspeedandsoweremorelikelytobreakthespeedlimitandbeatriskofgettingfined.We'relookingatthebenefitsofsystemswhichcontroltheirspeedasawayofpreventingthat.“Wehopethatourworkwillhelpwithtechnologicalsolutions(解决方案)toensurethatolderdriversstaysaferbehindthewheel.”32．WhatisthepurposeoftheDriveLAB?A．Toexplorenewmeansoftransport.B．Todesignnewtypesofcars.C．Tofindoutolderdrivers'problems.D．Toteachpeopletrafficrules.33．WhyisdrivingimportantforolderpeopleaccordingtoPhilBlythe?A．Itkeepsthemindependent.B．Ithelpsthemsavetime.C．Itbuildsuptheirstrength.D．Itcurestheirmentalillnesses.34．Whatdoresearchershopetodoforolderdrivers?A．Improvetheirdrivingskills.B．Developdriver-assisttechnologies.C．Providetipsonrepairingtheircars.D．Organizeregularphysicalcheckups.35．Whatisthebesttitleforthetext?A．AnewmodelelectriccarB．AsolutiontotrafficproblemsC．DrivingservicesforeldersD．Keepingolderdriversontheroad[2017

浙·江卷

6月考]BGettinglesssleephasbecomeabadhabitformostAmericankids.Accordingtoanewsurvey(检查)bytheNationalSleepFoundation,51%ofkidsaged10to18gotobedat10pmorlateronschoolnights,eventhoughtheyhavetogetupearly.LastyeartheFoundationreportedthatnearly60%of7-to12-year-oldssaidtheyfelttiredduringtheday,and15%saidtheyhadfallenasleepatschool.Howmuchsleepyouneeddependsalotonyourage.Babiesneedalotofrest:Mostofthemsleepabout18hoursaday!Adultsneedabouteighthours.Formostschool-agechildren,tenhoursisideal(理想的).ButthenewNationalSleepFoundationsurveyfoundthat35%of10-to12-year-oldsgetonlysevenoreighthours.Andguesswhatalmosthalfofthesurveyedkidssaidtheydobeforebedtime?WatchTV.“MorechildrenaregoingtobedwithTVson,andtherearemoreopportunities(机遇)tostayawake,withmorehomework,theInternetandthephone，”saysDrMaryCarskadon,asleepresearcheratBrownUniversityMedicalSchool.Shesaystheseactivitiesatbedtimecangetkidsallexcitedandmakeithardforthemtocalmdownandsleep.Otherexpertssaypartoftheproblemischemical.Changinglevelsofbodychemicalscalledhormonesnotonlymaketeenagers'bodiesdevelopadultcharacteristics,butalsomakeithardforteenagerstofallasleepbefore11pm.Becausesleepinessissuchaproblemforteenagers,someschooldistrictshavedecidedtostarthighschoolclasseslaterthantheyusedto.Threeyearsago,schoolsinEdina,Minnesota,changedthestarttimefrom7：25amto8：30am.Students,parentsandteachersarepleasedwiththeresults.25．WhatisthenewNationalSleepFoundationsurveyon?A.Americankids'sleepinghabits.B.Teenagers'sleep-relateddiseases.C.Activitiestopreventsleeplessness.D.Learningproblemsandlackofsleep.26．Howmanyhoursofsleepdo11-year-oldsneedeveryday?A.7hours.B.8hours.C.10hours.D.18hours.27．WhydoteenagersgotosleeplateaccordingtoCarskadon?A.Theyareaffectedbycertainbodychemicals.B.Theytendtodothingsthatexcitethem.C.Theyfollowtheirparents'examples.D.Theydon'tneedtogotoschoolearly.2016高考题1.【2016·全国新课标II】CReadingcanbeasocialactivity.Thinkofthepeoplewhobelongtobookgroups.Theychoosebookstoreadandthenmeettodiscussthem.Now,thewebsiteBookCturnsthepageonthetraditionalideaofabookgroup.Membersgoonthesiteandregisterthebookstheyownandwouldliketoshare.BookCrossingprovidesanidentificationnumbertostickinsidethebook.Thenthepersonleavesitinapublicplace,hopingthatthebookwillhaveanadventure,travelingfarandwidewitheachnewreaderwhofindsit.BrucePederson,themanagingdirectorofBookCrossing,says,

“Thetwothingsthatchangeyourlifearethpeopleyoumeetandbooksyouread.BookCrossingcombinesboth.”Membersleavebooksonparkbenchesandbuses,intrainstationsandcoffeeshops.Whoeverfindstheirbookwillgotothesiteandrecordwheretheyfoundit.Peoplewhofindabookcanalsoleaveajournalentrydescribingwhattheythoughtofit.E-mailsarethensenttotheBookCrossingtokeepthemupdatedaboutwheretheirbookshavebeenfound.Brucepetersonsaystheideaisforpeoplenottobeselfishbykeepingabooktogatherdustonashelfathome.BookCrossingispartofatrendamongpeoplewhowanttogetbacktothe

“虚real拟).”

andnotthevirThesitenowhasmorethanonemillionmembersinmorethanonehundredthirty-fivecountries.9.Whydoestheauthormentionbookgroupsinthefirstparagraph?A.Toexplainwhattheyare.B.TointroduceBookCrossing.C.Tostresstheimportanceofreading.D.Toencouragereaderstosharetheirideas.10.Whatdoestheunderlinedword“it”inParagraph2referto?A.Thebook.B.Anadventure.C.Apublicplace.D.Theidentificationnumber.11.WhatwillaBookCrosserdowithabookafterreadingit?A.Meetotherreaderstodiscussit.B.Keepitsafeinhisbookcase.C.Passitontoanotherreader.D.Mailitbacktoitsowner.12.Whatisthebesttitleforthetext?A.OnlineReading:AVirtualTourB.ElectronicBooks:AnewTrendC.ABookGroupBringsTraditionBackD.AWebsiteLinksPeoplethroughBooks2.【2016·北京】

CCaliforniaCondor’sShockingRecoveryCaliforniacondorsareNorthAmerica’slargestbirds,g-withlengthwinofupto3meters.Inthe1980s,electricallinesandleadpoisoning(铅中毒)nearlydrovethemtodyingout.Now,electricshocktrainingandmedicaltreatmentarehelpingtorescuethesebigbirds.Inthelate1980s,thelastfewcondorsweretakenfromthewild,andtherearenowmorethan150flyingoverCaliforniaandnearbyArizona,UtahandBajainMexico.Electricallineshavebeenkillingthemoff.

goin“torestAstheyforthenight,they

justdon

’tseethepowerlines,

says”BruceRideout

of

SanDiego

Zoo.

Their

wings

canbridgethegapbetweenlines,resulting

inelectrocution(电死)iftheytouchtwolinesatonce.Soscientistshavecomeupwithashockingidea.Tallpoles,placedinlargetrainingareas,teachthebirdstostayclearofelectricallinesbygivingthemapainfulbutundeadlyelectricshock.Beforethetrainingwasintroduced,66%ofset-freedcondorsdiedofelectrocution.Thishasnowdroppedto18%.Leadpoisonoushasprovedmoredifficulttodealwith.Whencondorseatdeadbodiesofotheranimalscontaininglead,theyabsorblargequantitiesoflead.Thisaffectstheirnervoussystemsandabilitytoproducebabybirds,andcanleadtokidney(肾)failuresanddeath.SocondorswithhighlevelsofleadaresenttoLosAngelesZoo,wheretheyaretreatedwithcalciumEDTA,achemicalthatremovesleadfromthebloodoverseveraldays.Thisworkisstartingtopayoff.Theannualdeathrateforadultcondorshasdroppedfrom38%in2000to5.4%in2011.Rideout

’steamthinksthattheCaliforniacondors

’

averagesurvivaldisnowtimejustintheunderwileightyears.“Althoughthesemeasuresarenoteffectiveforever,theyarevitalfornow,

”hesays.

“Theyararewortheveryeffortweputintorecoveringthem.

”63.Californiacondorsattractresearchers

because’interestthey

.A.areactiveatnightB.hadtobebredinthewildC.arefoundoninCaliforniaD.almostdiedoutinthe1980s64.Researchershavefoundelectricallinesare

.A.blockingcondors’journeyhomeB.bigkillersofCaliforbniacondorasC.restplacesforcondorsatnightD.usedtokeepcondorsaway65.AccordingtoParaghaph5,leadpoisoningA.makescondorstoonervoustofly

.B.haslittleeffectoncondors

’

kidneysC.canhardlybegottenridofformcondors

’

bloodD.makesitdifferentforcondorstoproducebabybirds66.Thepassageshowsthat.A.theaveragesurvivaltimeofcondorsissatisfactory’sresearchinterestliesinelectricengineeringC.theeffortstoprotectcondorshavebroughtgoodresultsD.researchershavefoundthefinalanswerstotheproblem3.【2016·天津】CWhenJohnwasgrowingup,otherkidsfeltsorryforhim.Hisparentsalwayshadhimweedingthegarden,carryingoutthegarbageanddeliveringnewspapers.ButwhenJohnreachedadulthood,hewasbetteroffthanhischildhoodplaymates.Hehadmorejobsatisfaction,abettermarriageandwashealthier.Mostofall,hewashappier.Farhappier.Thesearethefindingsofa40-yearstudythatfollowedthelivesof456teenageboysfromBoston.Thestudyshowedthatthosewhohadworkedasboysenjoyedhappierandmoreproductivelivesthanthosewhohadnot.“Boyswhoworkedinthehomeorcommunitygainedcompetence(能力)andcametofeeltheywereworthwhilemembersofsociety,”saidGeorgeVaillant,thepsychologist(心理学家)whomadethediscovery.“Andbecausetheyfeltgoodaboutthemselves,othersfeltgoodaboutthem.”Vaillant’sstudyfollowed

thesemalesingreatdetail.Interviewswererepeatedatages25,31and47.UnderVaillant,theresearcherscomparedthemen’smental-healthscoreswiththeirboyhood-activityscoreswiththeirboyhood-activityscores.Pointswereawardedforpart-timejobs,housework,effortinschool,andabilitytodealwithproblems.Thelinkbetweenwhatthemenhaddoneasboysandhowtheyturnedoutasadultswassurprisinglysharp.Thosewhohaddonethemostboyhoodactivitiesweretwiceaslikelytohavewarmrelationswithawidevarietyofpeople,fivetimesaslikelytobewellpaidand16timeslesslikelytohavebeenunemployed.TheresearchersalsofoundthatIQandfamilysocialandeconomicclassmadenorealdifferenceinhowtheboysturnedout.Workingatanyageisimportant.Childhoodactivitieshelpachilddevelopresponsibility,independence,confidenceandcompetencetheunderpinnings(基础)ofemotionalhealth.Theyalsohelphimunderstandthatpeoplemustcooperateandworktowardcommongoals.Themostcompetentadultsarethosewhoknowhowtodothis.Yetworkisn’teverything.AsTolstoyoncesaid,“Onecanlivemagnificentlyinthisworldifoneknowshowtoworkandhowtolove,toworkforthepersononelovesandtoloveone’swork.”46.WhatdoweknowaboutJohn?A.Heenjoyedhiscareerandmarriage.B.Hehadfewchildhoodplaymates.C.Hereceivedlittlelovefromhisfamily.D.Hewasenviedbyothersinhischildhood.Vaillant’swordsinParagraph2serveas_____.A.adescriptionofpersonalvaluesandsocialvaluesB.ananalysisofhowworkwasrelatedtocompetenceC.anexampleforparents’expectationsoftheirchildrenD.anexplanationwhysomeboysgrewintohappymenVaillant’steamobtainedtheirfindingsby_____.A.recordingtheboys’effortinschoolB.evaluatingthemen’smentalhealthC.comparingdifferentsetsofscoresD.measuringthemen’sproblemsolvingabilityWhatdoestheunderlinedword“sharp”probablymeaninParagraph4?A.QuicktoreactB.HavingathinedgeC.ClearanddefiniteD.suddenandrapid50.Whatcanbeinferredfromthelastparagraph?A.competentadultsknowmoreaboutlovethanwork.B.Emotionalhealthisessentialtoawonderfuladultlife.C.Lovebringsmorejoytopeoplethanworkdoes.D.Independenceisthekeytoone’ssuccess.4.【2016·浙江】CAscientistworkingatherlabbenchandasix-oldbabyplayingwithhisfoodmightseemtohavelittleincommon.Afterall,thescientistisengagedinseriousresearchtouncovertheverynatureofthephysicalworld,andthebabyis,well,justplaying⋯right?Perhaps,butsomedevelopmentalpsychologistshavearguedthatthismorelikeascientificinvestigationthanonemightthink.Takeacloserlookatthebabyplayingatthetable.Eachtimethebowlofriceispushedoverthetableedge,itfallsinthegroundand,intheprocess,itbelongsoutimportantevidenceabouthowphysicalobjectsinteract;bowlsofricedonotfloodinmid-sit,butrequiresupporttoremainstable.Itislikelythatbabiesarenotbornknowingthebasicfactoftheuniverse;noraretheyeverclearlytaughtit.Instead,babiesmayformanunderstandingofobjectsupportthroughrepeatedexperimentsandthenbuildonthisknowledgetolearnevenmoreabouthowobjectsinteract.Thoughtheirrangesandtoolsdiffer,thebaby’investigationandthescientist’sexperimentappeartosharethesameaim(tolearnaboutthenaturalworld),overallapproach(gatheringdirectevidencefromtheworld),andlogic(aremyobservationswhatIexpected?).Somepsychologistssuggestthatyoungchildrenlearnaboutmorethanjustthephysicalworldinthiswaythattheyinvestigatehumanpsychologyandtherulesoflanguageusingsimilarmeans.Forexample,itmayonlybethroughrepeatedexperiments,evidencegathering,andfinallyoverturningatheory,thatababywillcometoaccepttheideathatotherpeoplecanhavedifferentviewsanddesiresfromwhatheorshehas.forexample,unlikethechild,Mommyactuallydoesn’tlikeDovechocolate.Viewingchildhooddevelopmentasascientificinvestigationthrowsonhowchildrenlearn,butitalsooffersaninspiringlookatscienceandscientists.Whydoyoungchildrenandscientistsseemtobesomuchalike?Psychologistshavesuggestedthatscienceasaneffortthedesiretoexplore,explain,andunderstandourworldissimplysomethingthatcomesfromourbabyhood.Perhapsevolutionprovidedhumanbabieswithcuriosityandanaturaldrivetoexplaintheirworlds,andadultscientistssimplymakeuseofthesamedrivethatservedthemaschildren.Thesamecognitivesystemsthatmakeyoungchildrenfeelgoodaboutfeelgoodaboutfiguringsomethingoutmayhavebeenadoptedbyadultscientists.Assomepsychologistsputit,”Itisnotthatchildrenarelittlescientistsbutthatscientistsarebigchildren.”Accordingtosomedevelopmentalpsychologists,A.ababy’splayisnothingmorethanagame.B.scientificresearchintobabies;gamesispossibleC.thenatureofbabies

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playhasoroughlybeentinvestigatedD.ababy’splayissomehowsimilartoascientis