北京成人英语三级考试真题.docx

北京成人英语三级考试真题.docx

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北京成人英语三级考试真题

　PartIReadingComprehension（30%）

　　Directions:

Therearethreepassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.YoushoulddecideonthebestchoiceandblackenthecorrespondingletterontheAnswerSheet.

　　Passage1

　　QuestionsIto5arebasedonthefollowingpassage:

　　Spending50minuteswithacellphoneclosetoyourearisenoughtochangebraincellactivityinthepartofthebrainclosesttotheantenna（天线）.Butwhetherthatcausesanyharmisnotclear,scientistsattheNationalInstituteofHealthsaidataconferencelastmonth,addingthatthestudywillnotlikelysettleconcernsofalinkbetweencellphonesandbraincancer.“Whatweshowedisglucose（葡萄糖）metabolism（代谢）（asignofbrainactivity）increasesinthebraininpeoplewhowereexposedtoacellphoneintheareaclosesttotheantenna，"saidDr.NoraVolkowoftheNIH，whosestudywaspublishedintheJournaloftheAmericanMedicalAssociation.（76）Thestudywasmeanttoexaminehowthebrainreactstoelectromagneticfieldscausedbywirelessphonesignals.

　　Volkowsaidshewassurprisedthattheweakelectromagneticradiation（电磁辐射）fromcellphonescouldaffectbrainactivity,butshesaidthefindingsdonotshedanylightonwhethercellphonescausecancer.“Thisstudydoesnotinanywayindicatethat.Whatthestudydoesistoshowthehumanbrainissensitivetoelectromagneticradiationfromcellphoneexposures.”Useofthedeviceshasincreaseddramaticallysincetheywereintroducedintheearlyl980s，withabout5billioncellphonesnowinuseworldwide.

　　Somestudieshavelinkedcellphoneexposuretoanincreasedriskofbraincancers.butalargestudybytheWorldHealthOrganizationdidnotofferaclearanswertothis.Volkow’steamstudied47peoplewhohadtheirbrainexaminedwhileacellphonewasturnedonfor50minutesandanotherwhilethephonewasturnedoff.Whiletherewasnocompletechangeinbrainmetabolism,theyfounda7percentincreaseinbrainmetabolismintheregionclosesttothecellphoneantennawhenthephonewason.（77）Expertssaidtheresultswereinteresting,buturgedthattheybeunderstoodwithgreatcare.“Althoughthebiologicalsignificance，ifany,ofincreasedglucosemetabolismfromtoomuchcellphoneexposureisunknown，theresultsrequirefurtherinvestigation,”HenryLaioftheUniversityofWashingtonintheU.S.andDr.LennartHardellofUniversityHospitalinSweden，wroteinanarticleinJAMA.“Muchhastobedonetofurtherinvestigateandunderstandtheseeffects.”theywrote.

　　1.Accordingtothepassage,whichofthefollowingisTRUE?

　　A.Cellphoneuseisdangerous。

　　B.Cellphoneusecausescancer。

　　C.Thehumanbrainisanelectromagneticfield。

　　D.Thereareabout5billioncellphoneusersintheworldrightnow。

　　2.DoctorVolkowwasastonishedbecause______。

　　A.herresearchhasshedlightonherunderstandingofcellphone

　　B.shefoundthatcellphoneexposureisharmfultohumanbrain

　　C.shefoundthatusingacellphoneforabout50minutescouldinfluenceorchangebrainactivity

　　D.humanbrainisnotresponsivetoelectromagneticradiation

　　3.Accordingtothepassage,cellphoneswerelaunched_______。

　　A.inthelate1970sB.between1980and1985

　　B.inthelate1980sD.intheearly1990s

　　4.Whatdoestheword“that”standforinthesecondparagraph?

　　A.Brainactivity。

　　B.Herresearchfindings。

　　C.Thefactthatcellphoneusemaycausecancer。

　　D.Herresearchprogress。

　　5.Whichofthefollowingisanappropriatetitleforthispassage?

　　A.CellPhoneRadiation:

IsItHarmful?

　　B.CellPhoneRadiati0n:

IsItUseful?

　　C.CellPhoneRadiation:

IsItHealthy?

　　D.CellPhoneRadiation:

IsItWeak?

　　Passage2

　　Questions6to10arebasedonthefollowingpassage:

　　6.Whatisthemainideaofthispassage?

　　Humanbeingshavealwayshadanabilitytoattendtoseveralthingsatonce.（78）Noriselectronicmultitaskingentirelynew：

We'vebeendrivingwhile1isteningtocarradiossincetheybecamepopularinthel930s.ButthereisnodoubtthatmultitaskinghasreachedakindofwarpspeedintheeraofWeb-enabledcomputers,whenithasbecomeroutinetoconductseveralIM（即时通讯）conversations，watchTVandusethecomputerallatonce.

　　Butwhat’stheimpactofthismediaconsumption?

Andhowarethesemultitaskingdeviceschanginghowkidslearn，reasonandcommunicatewithoneanother?

Socialscientistsandeducatorsarejustbeginningtodealwiththesequestions，buttheresearchersalreadyhavesomestrongopinions.

　　（79）Althoughmultitaskingkidsmaybebetterpreparedinsomewaysfortoday’sfast-pacedworkplace,manyscientistsarepositivelyalarmedbythetrend.Kidsthatareinstantmessagingwhiledoinghomework，playinggamesonlineandwatchingTV，aren’tgoingtodowellinthelongrun.

　　Onthepositiveside，multitaskingstudentstendtobeextraordinarilygoodatfindingandusinginformation.Andprobablybecausemodemchildhoodcentersaroundvisual（视觉的）ratherthanprintmedia，theyareespeciallyskilledatanalyzingvisualdataandimages.

　　Manyeducatorsandpsychologistssayparentsneedtoactivelyensurethattheirteenagersbreakfreeofuncontrollableengagementwithscreensandspendtimeinthephysicalcompanyofhumanbeings—agrowingchallengenotjustbecausetechnologyofferssuchahandyoptionbutbecausesomanykidsleadhighlyscheduledlivesthatleavelittletimeforold—fashionedsocializingandfamilymeals.Indeed，manyteenagersandcollegestudentssayovercommitted（任务过重的）schedulesdrivemuchoftheirmultitasking.

　　Justasimportantisforparentsandeducatorstoteachkidsthatit’svaluable，evenessential，tooccasionallyslowdown，unplugandtaketimetoenjoylifebeyondthescreen.

　　A.Howismultitaskingdefine（定义）intheinformationage?

　　B.Howdopeopleseenewtechnologyandthesocialchangeitbringsabout?

　　C.Howdoestechnologychangemodernfamilylife?

　　D.What’stheimpactofmultitaskingonyoungpeople?

　　7.Theexpression“warpspeed”inthefirstparagraphisclosestinmeaningto____。

　　A.Lowspeed

　　B.Toomuchtimealone。

　　C.highspeed

　　D.steadyspeed

　　8.Accordingtosometeenagersandcollegestudents,whatcausestheirmultitasking?

　　A.Overcommittedschedules

　　B.Toomuchtimealone

　　C.Inabilitytofocus

　　D.Fearofbeingneglected

　　9.Accordingtothepassage,whichofthefollowingstatementisTRUE?

　　A.Humanshavebeguntoengageinthemultitaskingbehaviorssincetheinformationage。

　　B.Multitaskingisacriticalskillthatstudentsarerequiredtolearnatschool。

　　C.Onlyparentscanhelptheirkidstogetridofthemultitaskinghabits。

　　D.multitaskingmaypreparestudentsfortherealityoftoday’sfast-pacesworkenvironment。

　　10.Whatdoeducatorsandpsychologistadviseparentstodotheirmultitaskingkids?

　　A.Tocutoffhomeinternetconnection。

　　B.Toseekmedicaltreatment。

　　C.Toencouragetheirkidstohavesomesociallife。

　　D.tohelptheirkidstosetpersonalgoals

　Passage3

　　Questions11to15arebasedonthefollowingpassage:

　　ThenuclearpoweremergencyataJapaneseatomicpowerplantlastMarchcouldleadtoamajorre-examinationinEuropeancountriesthatarealreadybuildingsuchplantsorareconsideringashiftfromfossil（化石）fuelstonuclearenergytofightclimatechange.Withtheterribleaccident，25yearsagoinChernobyl（切尔诺贝利）beginningtofadeinEuropeanmemories，governmentsacrossEuropehavegrownmoreopentousingmorenuclearpower.EnthusiasmfornuclearpowerisparticularlystronginEasternEurope，whichwantstomoveawayfromdependenceonRussianoilandnaturalgas，andonheavilypollutingcoal—firedpowerplants.Easterngovernmentshavebegunimprovingexistingnuclearplantsorarebuildingorplanningnewones.ButasJapanstruggledtodealwithhernuclearcrisis，discussionaboutthegoodandthebadofnuclearpowerbecameheated.

　　（80）InGermany,nuclearpowerhasbeenarepeatedlyarguedandwidelyfeltissuefordecades.Upto70percentofGermansopposenuclearpower.Recently，about40，000peopleturnedouttoformahumanchainnearanuclearplanttoprotestgovernmentpoliciesonnuclearpower.“TheaccidentinJapancouldleadtoamajorrethinkinEurope，”saidHenrikPaulitzoftheInternationalDoctorsforthePreventionofNuclearWar.“Governmentshavenotbeenquiteopenaboutthesafetylevelsofthenuclearpowerplants.”

　　Chancellor（总理）AngelaMerkelheadsacenter-fightunitygovernmentthatsupportstheuseofnuclearpower.Hergovernmentrecentlymadeadisputeddecisiontoextendthelifeofthecountry’s17nuclearpowerplantsbyanaverageof12years.Shewillnowfacemorepressuretochangethatpolicy.Shecalledanemergencymeetingwithherseniorministers.“Weknowhowsafeourplantsareandthatwedonotfaceathreatfromsuchaseriousearthquakeorviolenttidalwave,”Mrs.Merkelsaidafterthemeeting.“WewilllearnwhatwecanfromtheeventsinJapan.

　　11.Accordingtothepassage,whichofthefollowingaboutEuropeisTRUE?

　　A.ItisdependentonRussiaforgasandoil。

　　B.Ithasputanendtofossilfuels。

　　C.Ithadamajornuclearaccidentthisyear。

　　D.Itislikelythattheywouldrethinktheirnuclearpowerpolicies。

　　12.Accordingtothepassage,allthefollowingstatementsaboutEasternEuropearetrueEXCEPT_______

　　A.theyareeagertobuildnewnuclearpowerplants

　　B.theyhavetotallyforgottentheChernobylaccident25yearsago

　　C.theyhaveimprovedtheirnuclearpowerplants

　　D.theywantenergyindependence

　　13.Inthesecondparagraph,theauthormainlydiscusses_______。

　　A.thenuclearaccidentsinJapanlastMarch