2021-2022年陕西省西安市大学英语6级大学英语六级真题一卷(含答案)

2021-2022年陕西省西安市大学英语6级大学英语六级真题一卷(含答案)学校:________班级:________姓名:________考号:________

一、2.ReadingComprehension(SkimmingandScanning)(20题)1.

Oncethesleep-mask-likedevicerecognizesthewearerisexperiencingREMsleepcharacteristicofdreaming."REM"means______.

2.

Drinkplentyoffluidsisparticularlyimportantforelderlypeoplewhohaveafever.

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3.

Wewillhaveanotherpopulationproblemwhenpeopleget______.

4.

OtherpeoplearelikelytoconnectUFO'swithsomethinginthewater,whichlookslikeasmallsubmarinebuttravelsmoreslowly.

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5.Evenastheeconomyimproves,ajoblessexecutivemayfaceuptoayearormoreofunemployment.Thisisalotoftime,especiallyforhardcharginghigh-performerswhoarenotusedtohavinganyfreetime.Whilesomejobseekersspendhundreds—eventhousands--ofhoursdiscoveringdaytimetelevision,othersseemtothriveonactivitiesthatboosttheirprofessionalcareersorresolvefamilyissueswhentheyaren'tworking.

Havinganextendedperiodoffreetimeintheprimeofone'slifecaninfactbeauniqueopportunitytofocusonvolunteerservice,professionaleducationorpersonalgrowth.

CommunityInvolvement

ForLisaPerez,thewakeupcallwasburnedporkchops.Anexecutivewhopreviouslyhadn'tbeenparticularlyinterestedinhomeandhealthhadbecomeobsessedwithhomemakingduringastintofunemployment.

Sherealizedthatcleaningandorganizingherhomewasn'thelpingherjobsearch.Nevertheless,"Imadelistsof50thingstodoeveryday,"saysMs.Perez,apoliticalandpublic-relationsconsultantinScottsdale,Ariz."Myhousewasspotless,justsoI'dhavesomethingtodo."

Oneday,herboyfrienddidn'tarriveontimefordinnerbecausehehadtoworklate,andherporkchopswereruined.Shethrewafit."I'dneverbeenapersonlikethat,"shesays."SoIdecidedtostopfeelingsorryformyself,andgooutanddosomethingproductive."

Ms.Perez,35,resolvedtobecomeanactivevolunteerforthedurationofhersearch.Shegavehertimetoahealth-careconcern,ahousingprogramandapoliticalcampaign.

Theworkbolsteredherself-confidence."Volunteeringtakesthefocusoffofyou.Onethingyouhavethat'sstillvaluableisyourtime.And,ofcourse,youlearnthattherearethousandsofpeoplewithalifethat'smuchworsethanyours,"shesays.

Volunteerassignmentsarealsogreatwaystomeetpowerfulandwell-connectedpeople.Overasix-monthperiod,hervolunteeringevolvedintoworkingasapaidconsultantandthenasafull-timeemployee,ajobshestillholdstoday.Inall,shewasunemployedforeightmonths.

Beforeherjobloss,shethoughtshedidn'thavetimetovolunteerwhileworking."Now,eventhoughIhaveademandingjob,Istillvolunteer,becauseofwhatIgotoutofit,"saysMs.Perez.

ContinuingEducation

GeneBellavance,a36yearoldinformation-technologyprojectmanager,tookanotherrouteduringhisunemployment.WhenhewaslaidofffromasteelcompanynearCleveland,heknewhisimmediateprospectswerebleak.Heexpectedhissearchtotakeayear.Hefacedadecision:takeajobthatwouldsetbackhiscareerorholdoutforanofferhereallywanted.

Mr.Bellavanee,singleandvirtuallydebtfree,shiftedhisfinancesintosurvivalmode.Hecashedouthispension,soldhishouse,unloadedthingshedidn'tneedatgaragesales,andrentedanapartmentwitharoommate.Then,hesays,"IsignedupforeverybenefitIcouldfind."

Buthewasn'tjustwaitingouttheyear.Hespenttherestofhissearchupdatinghisskills,includingbecomingcertifiedinnewdatabaseandprojectmanagementsoftware."Youhavetoinvestinyourself,"Mr.Bellavancesays."Iestimatedwhattechnologywasgoingtobethemostbeneficialandchoseapplicationsthatweregoingtobepervasive,thatwererightformymarket,andthatweregoingtoensuretoppay."

InadditiontoincomefromtheoccasionalIT-consultingassignment,hereliedonacombinationofdisplaced-worker-retraininggrantsandunemploymentbenefits."Iwentoutandfoundtheclasses,submittedthepaperwork,anddealtwiththebureaucracy.Youhavetostayafterthem,keepingyourbenefitsmovingforward.It'suptoyoutomakeitworkwithyouroveralltransitionplan,"hesays.

Hisjobsearchwasonemonthshyofthe

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6.Thedisabilityinsuranceobtainedbytheemployeebenefitsplanis______.

A.notenoughforadecentliving

B.quiteenoughforadecentliving

C.betterthanthesalarybyworkingregularly

D.asequalasyouroriginalweeklysalary

7.Aliens

Arethereotherformsoflifeintheuniverse'?Thescientificsearchforextraterrestrial(ET)lifeformshasbeenbolsteredbytworecentdiscoveries.First,thediscoveryoflifeformsinexoticenvironmentsonEarthindicatesthatlifeisveryheartyandcanadapttothestrangestandmosthostileenvironments.Second,astronomersfoundplanetsorbitingstarsbesidesoursun—over50extrasolarplanetshavebeendiscoveredasof2001.Aretherealienlifeformsonanyoftheseplanets?

Ifalienlifedoesexist,whatmightitbelike?Woulditbesimpleformsoflifesuchasbacteria,virusesoralgae,ormoreadvanced,multi-cellularcreatures,perhapsevenintelligentbeings?Wouldaliensbeanimals,plantsorhavecharacteristicsofboth?Wouldtheyhavearmsandlegsandwalkuprightaswedo?Wouldtheydependuponvisionastheirprimarysenseoruseanotherwaytogatherinformationabouttheirsurroundings?Wouldthey"breathe"oxygenorsomeothergas?

Greetings,Carbon-basedBipeds(两足动物)!

Mostofuspicturealienlifethewayit'sportrayedinmovies,wherealiensarecommonlydepictedashuman-likeformsbecausetheyuseactorseithertoplaytherolesdirectlyinmakeuportobemodelsforcomputer-generatedanimation.Also,audiencesrelatetohuman-likealiensbetterthantomoreexotic,monsterlike.However,thehumanbodyplanbilateralsymmetrywithone

head,twolegsandtwoarms—stemsfromwhenearlyanimalssuchaslizard,crocodile,ordinosaurcolonizedtheEarth'slandmasses,anditseemsunlikelythatsuchashapewouldevolveonanalienworld.So,let'sforgetHollywoodforthemomentandlookcloselyattherealscienceofastrobiology.

Astrobiologyisthescientificstudyoflifeintheuniverse.Astrobiologistsseektounderstand(amongotherthings)howlifearoseandevolvedonEarth,whatgovernsthewaylifeisorganizedandwhatmakesaplanethabitable.

Astrobiologycombinesthedisciplinesofbiology,chemistry,physics,geologyandastronomy.Often,astrobiologistsmustusetheinformationlearnedaboutlifeonEarthasaguideforstudyinglifeelsewhere.Let'sexaminesomeoftheunusualthingsthatwehavelearnedfromlifeonEarth:

LifeintheExtreme

Upuntilabout30yearsago,itwasbelievedthatalllifeonEarthwasdependentuponenergyfromthesun.Furthermore,itwasthoughtthatyouwouldprobablynotfindlifewheretemperatureswereextremelyhot,likeingeysersorhotsprings,orextremelycold,'likeintheAntarcticdesert.

Theseideaschangedwhenoceanographersexploredhydrothermalvents,openingsintheoceanfloorwhereextremelyhot,mineral-richwatereruptsfromthecrust.Hydrothermalventsarelocatedseveralmilesbelowthesurface,ontheoceanfloor,wherethesurroundingwaterisatornearfreezing,itisabsolutelydarkandthepressureishigh.Inorganizedcommunitiesaroundthebasesofthesevents,calledblacksmokers,scientistsfoundclams,crabsandexotic,gianttubewormsmeasuring6feet(2meters)long.Thewatercomingoutoftheseventsis230to662degreesFahrenheit(110to350degreesCelsius).

Howcantheseanimalssurvivesofarfromthesunlight,undertheseextremeconditions?Inthewater,scientistsfoundspeciesofbacteriathatsplithydrogensulfide(硫化物)fromthewatertogetenergytomakeorganiccompounds.Thetubewormshavebacteriaintheirtissuesthathelpthemderiveenergyfromthewater.Theclamsfeedonthebacteria,andthecrabsfeedonthetubeworms.

Thediscoveryofhydrothermal-ventcommunitiesshowedthatitispossibleforlifetoevolveinplaceswithoutlightfromthesun,andinotherworldswithoutsufficientlightfromtheparentstar.Inviewofthediscoveryofhydrothermalvents,itmaybepossiblethatlifeexistsonEuropa,anicymoonofJu

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8.Cellphone:yournextcomputer

Onehundrednineteenhours,41minutesand16seconds.That'stheamountoftimeAdamRappoport,ahighschoolseniorinPhiladelphia,hasspenttalkingintohissilverVerizonLGphonesincehegotitasagiftlastChristmas.That'snoteventhefullextentofhishabit.Healsospendscountlessadditionalhoursusinghisphone'sInternetconnectiontochecksportsscores,downloadnewring-tonesandsendshortmessagestohisfriends'phones,eveninthemiddleofclass."Iknowthetouch-tonepadonthephonebetterthanIknowakeyboard,"hesays,"I'maphoneguy."

InTokyo,halfwayaroundtheworld,SatoshiKoisoalsocloselyeyeshismobilephone.Koiso,acollegejunior,livesintheglobalcapitaloffancynewgadgets—20percentofallphonesinTokyolinktothefastestmobilenetworksintheworld.TokyoitesusetheirphonestowatchTV,readbooksandmagazinesandplaygames.ButKoisoalsodependsonhisphoneforsomethingsimplerandmoreprofound:ananti-smokingmessagethatpopsuponhissmallscreeneachmorningaspartofaprogramtohelpstudentskickcigarettes.

Technologyrevolutionscomeintwoflavors:greatlyfastandimperceptiblyslow.Thefastkind,likethesuddenubiquityofiPodsortheproliferation(增殖)ofmusic-sharingsitesontheNet,seemtoinstantlyreshapetheculturallandscape.Theslowerupheavalsgrindawayoverthecourseofdecades,subtlytransformingthewayweliveandwork.

Thereare1.5billioncellphonesintheworldtoday,morethanthreetimesthenumberofPCs.Mobilephonesaresointegraltoourlivesthatit'sdifficulttorememberhowthelifeweevergotonwithoutthem.

Canthecellphoneturnintothenextcomputer?

Asourphonesgetsmarter,smallerandfaster,andenableuserstoconnectathighspeedstotheInternet,anobviousquestionarises:isthemobilehandsetturningintothenextcomputer?Inonesense,italreadyhas.Today'smostsophisticatedphoneshavetheprocessingpowerofamid-1990sPCwhileconsuming100timeslesselectricity.Andmoreandmoreoftoday'sphoneshavecomputer-likefeatures,allowingtheirownerstosende-mail,browsetheWebandeventakephotos;84millionphoneswithdigitalcameraswereshippedlastyear.Changeitintoanothersamequestion,though,toaskwhethermobilephoneswillevereclipse,orreplace,thePC,andtheissuesuddenlybecomescontroversial.PCproponentssayphonesaretoosmallandconnecttoosluggishlytotheInternettobecomeeffectiveattasksnowperformedon-theluxuriouslylargescreensandkeyboardsoftoday'scomputers.Fansofthephonerespond:justwait.

Cominginnovationswillsolvethelimitationsofthephone."Oneday,2or3billionpeoplewillhavecellphones,andtheyareallnotgoingtohavePCs,"saysJeffHawkins,inventorofthePalmPilotandthechieftechnologyofficerofPalmOne."Themobilephonewillbecometheirdigitallife."

Smartcellphones

PalmOneisamongthefirmsracingtotrotoutthefull-featuredcomputer-likephonesthattheindustrydubs"smart-phones".Hawkins'newestproduct,thesleek,pocket-sizeTreo600,hasatinykeyboard,abuilt-indigitalcameraandslotsforaddedmemory,etc.Otherdevicemakershaveintroducedtheirownuniqueversionsofthesmart-phone.Nokia'sN-Gage,launchedlastfall,withanewversiontohitstoresthismonth,playsvideogames.Motorola'supcomingMPxhasanifty"dual-hinge"design:thehandsetopensinonedirectionandlookslikearegularphone,butitalsoflipsopenalonganotheraxisandlookslikeane-maildevice,withtheexpandedphonekeypadservingasasmallQWERTYkeyboard.Therearealsosmart-phonesonthewaywithvideocameras,GPSantennasandaccesstolocalWi-Fihotspots,thesuperfastwirelessnetworksoftenfoundinoffices,airportsandlocalca

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9.

Whenrentinganofficespace,aclientneedstopayaccordingto______,nottheusablespace.

10.Accordingtothepassage,whathappenedtoT-Painsince2005?

A.HehadtogiveupAuto-Tune.

B.Hebecameverysuccessful.

C.HemadeafortuneworkingforthePrince.

D.Hewonfameasteachersofwell-knownsingers.

11.

ManyChristiansnowreenactLastSuppertosymbolizeJudasIscariot'sbetrayalofJesus.

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12.

ComparedwiththeirdisplacedcounterpartsinPeru.thesituationoftheinternallydisplacedpersonsinColombiais______.

13.

Expertsadvocatethatelderlypeopleshouldemphasizementalhealthaswellas______.

14.

Corrthinksthatifthereisanyproblemwithadrug,it'sbettertoknowit______.

15.

Theeverydayactivitiesofanofficespaceareusuallynotfixedandactuallyquiteflexible.

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16.ResidentsofOldOrderAmishcommunitiesbeganunconsciouslytopractisesustainablelivingfrom______.

17.

ThefirstU.Spubliclibrarywasopenedin1803,theresultofagiftof____________.

18.

Inadditiontotheworkwithlocalagency,afosterparentneedstomeetthefosterchild's________.

19.Somepeoplehavetheage-olddesiretoputthejokeonothers.

20.

Dietandphysicalqualitieswhichpasseddownfromourparentsaffect______anaturalsubstanceintheliverblood.

二、3.ListeningComprehension(20题)21.(44)

22.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

听力原文：W:I'mscurry,Mike.Ihavetoputoffourmeetingtillfouro'clockthisafternoon.Mr.Andersonwantsmetorevisetheannualreportrightnow.

M:Takeyourtime.Myscheduleisflexible.

Q:Whatdoesthemanmean?

(12)

A.Themeetingisnotonhisschedule.

B.Hedoesn'tmindpostponingthemeeting.

C.Themeetinggoesagainsthisschedule.

D.Hedoesn'tmindhavingmeetingaheadofschedule.

23.【B4】

24.

【B8】

25.(22)

A.ThewomanwasnotSatisfiedwiththeman.

B.Thewomanwouldchooseothercandidatesfortheposition.

C.Themanwasverylikelytobeemployed.

D.Themanwasdisappointedwiththecompany.

26.听力原文：M:Morning.Happytomeetyouhere.Howareyouandhowisyourwholefamily?

W:Goodmorning,sir.Fine,thankyouforyourcare.

M:Er,didyouputthatadvertisementinyesterday,anddidyouseeit?

W:Yes.Ihaveseenitandalsohaveatry.

M:(22)Thejuniorsalesmanager.Theywantsomeonethatcouldhelpthemtomanagethecompany.

W:Yes,itwentintotheStandardandtheEveningNews.Thatsoundsgood.

M:Jollygood.Andcongratulationstoyou!

W:Erm,whatsortofayoungmanhadyougotinmind?

M:Oh,youknow,agoodeducation,er,(23)whatIdon'twantisoneoftheseyoungcocks,youknowwhojustwalkoutofuniversitywith,exaggeratedideasofhisownimportance.

W:Andhowmuchhe'sgoingtoearn,frankly.Andonlyaccordingtoyourconditionsandyourwants,wecouldfindandlookformoreproperpeople,youknow,somanypeoplecamehere,andIdon'twanttowastetheirtime.Andwhatwewantisjusttherightone.

M:Imean,(24)I'mnotpreparedtogivehimaverybigsalarytostartwith.Imeantheincreaseshegetsinhissalaryaregoingtobedependentonhoweffectiveheis.That'shardtosayandhardtomakesoconcretecriterion.Nowadays,youknow,it'sverydifficulttofindsuchagoodpersonthatcanbesuitedthisjob.(24)Andmostofthetime,theyasksomanysalaryand,themostimportantoneisthat,theyreallyhavenoabilitytodoit.

(23)

A.JuniorSalesManagerWanted.

B.PersonnelManagerWanted.

C.SecretaryWanted.

D.ManagingDirectorWanted.

27.

【B4】

28.听力原文：M:Whatdoyouthinkofthefinalexam?

W:Iwasexpectingittobeeasy,butattheendofthefirsthour,Iwasstillonthefirstpage,Ibarelyhadtimetogettothelastquestion.

Q:Whatdoesthewomanmean?

(17)

A.Theexamwasdifficultforthewoman.

B.Thetestconsistedofonepage.

C.Thewomanfoundtheexameasy.

D.Thewomancompletedtheexaminonehour.

29.听力原文：M：Okay，Jane，yousee，Ineedtotalktoyourdad．Couldyoutakeamessageformeandgiveittohimassoonashegetsback?It'sveryurgent．

W：Yeah．MayIaskwhoiscalling，please?

Q：Wherearetheytalking?

(13)

A.Inanoffice.

B.Atthewoman'shome.

C.ViatheInternet.

D.Onthetelephone.

30.(40)

31.(24)

A.Amagnificentviewofthesea.

B.Acarpark,withmotorvehiclesarrivinganddeparting.

C.Acommercialcentre.

D.Abusystreet.

32.

【B6】

33.(47)

34.

【B10】

35.(25)

A.$16million.B.$30million.C.$46million.D.$36million.

36.(35)

A.Peoplearemoreselfish.

B.Peoplearemoredestructive.

C.Peopledon'thavemoralprinciplestofollownow.

D.Peopledowhattheypreachnow.

37.听力原文：W:Doyouthinkyou'llhaveenoughmoneysavedbynextmonthtogetacomputer?

M:Notbyalongshot.It'llbethreemonthsattheearliest.

Q:Whatdoesthemanimply?

(14)

A.Hehopestobuythecomputerafterthreemonths.

B.Hehasbeensavingforthreemonths.

C.Thecomputerwasdeliveredearlierthanheexpected.

D.Thecomputerhewantsisnotavailable.

38.【B9】

39.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：Oneimportantthingaboutartmovementsisthattheirpopularitycanbeaffectedbysocialconditions,whicharethemselvesoftenaffectedbyhistoricalevents.Asanexample,lookatwhathappenedintheUnitedStatesearlyinthe20thcentury,aroundthetimeoftheGreatDepression,theartmovementknownastheRegionalismhadbegunintheUnitedStatesevenbeforetheDepressionoccurred.Butitreallyflourishedinthe1930s,duringthedepressionyears.Why?Well,manyartistswhohadbeenlivinginbigcitieswereforcedbytheeconomiccrisistoleavethosebigcitiesandmovebacktotheirsmalltownsinruralAmerica.Someoftheseartistscametotrulyembracethelifeinsmalltownsandtorejectcitylifeinso-called"sophisticatedsociety".Theseartistsorspecificallycertainpaintersreallybuilttheregionalistmovement.Theycreatedthingsineverydaylifeinsmalltownsorfarmingareas.Andtheirstyle.wasnotallneutral,reallybigglorifiedorromanticizedcountrylife,showingitstable,wholesome,andembodyingimportantAmericantraditions.Andthisstyle.becameverypopular,inpartbecauseoftheeconomicconditionsofthetime.Yousee,theDepressionhadcausedmanyAmericanstobegintodoubttheirsociety.ButregionalismartistspaintedscenesthatglorifiedAmericanvalues,scenesthatmanyAmericanscouldeasilyidentifywith.Sothemovementhelpedstrengthenpeople'sfaithintheircountry,faiththathadweakenedastheresultofthedepression.Butinthe1940s,beforeandaftertheSecondWorldWar,Americanculturebegantotakeonamuchmoreinternationalspirit,andRegionalism,withitsfocusonsmalltownlife,well,itlostalotofpopularity,asAmericansocietychangedonceagain.

(27)

A.Howhistoricaleventsaffectedanartmovement.

B.Howartistscaninfluenceeconomicconditions.

C.Whyacertainartmovementfailedtobecomepopular.

D.Howvaluablepaintingswerelostduringwartime.

40.听力原文：W:Hello.What'sallthisthen,Harry?

M:What'sallwhat?I'mmakingacake.

W:Yes.Wecanseewhatyou'reupto.Obviouslyyou'remakingacake.Whatelsewouldyoubedoingwithacaketinandarollingpinonthetableandtheplaceabsolutelycoveredinflour?Yes,wecanseewhatyou'redoing.Butwhyareyoudoingit?

M:Well,IjustdecidedI'dtryandmakeoneforachangeinsteadofbuyingone.Anywaythisisgoingtobearatherspecialsortofcake.Youcan'tbuythemlikethis.Andwhileyou'rehere,Doris,doyoumindbeatinguphalfadozeneggsinthatbluebowloverthere?You'llfindaforkandeggwhisk,whicheveryouprefer,inthedrawerontheleft.

W:OK.Idon'tmind.Butwhat'ssospecialaboutthiscake?

M:It'sasurprisecake.

W:Asurprisecake?

M:Yes.Doris,don'tforgettoaddfivespoonsofsugar.

W:No,dear.Buttellusaboutthissurprisecake.

M:Well,itwasanideaIhadwhileIwaslyinginbedlastnight.

W:Doyouusuallythinkoffoodinbed?

M:Iwasn'tthinkingoffood.Idecidedtohaveapartyforsomeoldfriendsofmine,butIwanttogivethemasurprise.

W:Whatkindofsurprise?

M:Canyouaddahalfofapintofcreamtothat,Doris?That'sright,dripitinslowlyandthenbeatitupagainuntilitbecomesallsticky.That'stheway.

W:Ihavemadeacakebefore,youknow.Now,comeon,what'sthesurprise?

M:Well,it'squitesimple,really.Yousee,Iservethecakewithcandlesonit.ThenIswitchoutthelightsandIslipoutoftheroom.ButbeforethisItellthemthattheymustcounttotwentybeforetryingtoblowoutthecandlesandthey'llgetasurprise.

W:Andthen?(Explosioneffect)

(20)

A.Beatuphalfadozeneggs.

B.Addfivespoonsofsugar.

C.Addhalfapintofcream.

D.Buysomecandles.

三、4.ReadingComprehension(ReadinginDepth)(20题)41.

What'sthepurposetodothestudy?

42.

【C8】

43.Thewriterthinksthatthegrowthofspecialistperiodicalshashelpedscholarsto______.

A.cutdownresearchcosts

B.keepupwithcurrentdevelopments

C.spendlesstimetraveling

D.developtheirideasmorequickly

44.

Theword"returns"inparagraphthreecanbebestreplacedby"______".

A.returningjourneysB.profitsC.savingsD.investments

45.Astudyofpeoplewhousedcellphonesforanaverageoflessthanthreeyearsfoundnoevidencethedevicescausebraincancer.Theresearchdidn't,however,answerthequestionofwhetherlonger-termuseisdangerous.Thestudyof891peopledidfindaslightlyincreasedriskforararetypeofbraincancer,buttheresearcherssaiditwasnotstatisticallysignificant.Whiletheyacknowledgedlonger-termstudiesareneeded,theresearcherssaidtheoverallresultsshouldreassurethemorethan86millioncell-phoneusersnationwide."Wefeelconfidentthattheresultsreflectthatcellphonesdon'tseemtocausebraincancer,"saidepidemiologistJoshuaMuscat,ascientistattheAmericanHealthFoundationwhohelpedleadthestudy.

PublicationofMuscat'sresearchpromptedtheNewEnglandJournalofMedicinetoreleaseastudyshowingsimilarresults.Thestudy,ledbyNationalCancerInstituteresearchers,lookedat782braincancerpatientsand799peoplewithoutcancer.Maximumcell-phoneusewasatleastanhourperdayforfiveormoreyears,andnobrain-cancerlinkwasfoundevenatthatlevel.

Unlikeregulartelephones,handheldcellphonescontainanantennainsidethereceiver,whichputstheuser'sbrainclosetotheelectromagneticradiowavestheantennaemits.SincecellphoneswereintroducedintheUnitedStatesin1984,conflictingdatahaveemergedfromsafetystudiesonanimalsandhumans.

TheFoodandDragAdministration(FAD)hassaidthereisnoevidencethatthephonesareunsafe,butithasjoinedwithwirelessindustryinsponsoringresearchonthedevices.Somecell-phonemakershavealsostarteddisclosingtheirproducts'radiationlevels.

Anotherstudyinvolvedphone-usequestionnairesgivento469menandwomenaged18to80withbraincanceranda422-membercancer-freecontrolgroup.Cell-phonesusewasslightlymorecommonamongthecancer-freeparticipants,thoughaveragecell-phoneuseforbothgroupswasunderthreehoursmonthlyforlessthanthreeyears.

Theamountanddurationofcell-phoneusewerenotrelatedtoanincreasebraincancerriskexceptforatypeofneuron-celltumorcalledneuroepitheliomatouscancer.Ofthe35patientswiththisraretumor,14percentusedcell-phones.

Inthefirstparagraph,itcanbeconcludedthat______.

A.peoplehavenoneedtoworrycellphonescancausecancer

B.itisnotdangerousforlong-termcell-phoneusers

C.cell-phoneusersreassurethemaboutusingcell-phones

D.theyfoundaslightlyincreasedriskforararetypeofbraincancer

46.AccordingtoHoxby,thecharterschoolssucceedpartlybecause______.

A.theirreputationstendtoattractmanyexcellentstudents

B.theteachingmethodsstimulatestudents'enthusiasmofstudy

C.thesalarymechanismmobilizestheteachers'teachinginitiative

D.thepoorfamilybackgroundsmakethestudentsworkenergetically

47.

Accordingtothepassage,whichofthefollowingstatementsisTRUE?

A.Themineralelementswillnotbeabsorbedbytheplantunlesstheyaredissolvedinitsroot.

B.Thestemscontainmorewaterthantheleaves.

C.Airaroundtheleafisfoundtobesaturated.

D.Partofthecarbondioxideintheplantsissynthesized.

48.

WhatdoestheauthorthinkaboutthecomingendoftheIndustrialAge?

49.

TheattitudeoftheFederalBureauofInvestigationshowsthat______.

A.enoughdataareyettobecollectedfromvariousethnicgroupstoconfirmtheunlikelihoodoftwoDNAsamplescomingfromtwoindividualmembers

B.enoughdataofDNAsamplesshouldbecollectedtoconfirmthatonlyDNAsamplesfromthesamepersoncanmatch

C.enoughdataareyettobecollectedfromvariousethnicgroupstodeterminethelikelihoodoftwodifferentDNAsamplescomingfromthesameperson

D.additionalsamplesfromvariousethnicgroupsshouldbecollectedtodeterminethattwoDNAsamplesareunlikelytocomefromthesameperson

50.

Boysandgirlshavecertaingenderdifferencesinmathaccordingtostudies,exceptthefollowing______.

A.womencomputebetterthanboys

B.girlslearntohatemathsoonerandpossiblyfordifferentreasons

C.girlstakeslessmaththanboys(fromagesixteenon

D.girlssolvewordproblemsbetterthanboys

51.SectionA

Directions:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoicein