2022-2023年山西省大同市大学英语6级大学英语六级重点汇总（含答案）

2022-2023年山西省大同市大学英语6级大学英语六级重点汇总（含答案）学校:________班级:________姓名:________考号:________

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

AccordingtoscientistsattheU.S.NationalSnowandIceDataCenter.withinabout60years,therewillbe______ontheArcticOcean.

2.

RuthJarvisrecommendsridingonahorseasmuchaspossiblebecauseitgivesyoumoreopportunitiestodiscoverthelocalcultureandgetasenseofacity'slayout.

A.YB.NC.NG

3.

InthefirstyearofChina'sentryintoWTO,0.3%ofChina'sactualGDPgrowthwillbesubmittedtothisorganizationasstatedby______.

4.

In2003,extremeheatwavescausedmorethan20,000and1,500deathsin______respectively.

5.

Inmostcircumstances,comparedwithnotesandcoinsthepredominanceofaphoneorasmartcardinvolves______.

A.fastnessB.convenienceC.popularityD.anonymity

6.Insustainablecommunities,rainwaterisregardedas______.

A.areplacementfordrinkingwater

B.afertilizertoenrichsoil

C.renewableresources

D.awasteproduct

7.

Someresearcherstriedtostudygossips,whichtheyfoundalmostimpossibleinthelabenvironment.

A.YB.NC.NG

8.NewHopesforPreventingAIDS

Thesuccessofanti-retroviral(抑止肿瘤病毒)drugsintreatingHIVisgettingresearchersatthe16thInternationalAIDSconferenceexcitedattheprospectthatthepotentmedicinesmightbeexploitedtoperform.doubleduty.WhynotusethepoweroftheseARVstopreventanHIVtransmissionorinfectionfromtakingholdinthefirstplace?BillandMelindaGatesaskedthatprovocativequestionontheopeningdayoftheconference,andarecommittingtheirconsiderablefinancialresourcestowardfindingananswer.Intheirremarks,theyhighlightedtheneedtodevelopmicrobicidesandoral-preventiondrugswhilewewaitforavaccine.AndtheywillgettheirfirsthintathowsmarttheirdecisionwasthisThursday,whenscientistsfromWestAfricareporttheinitialresultsfromthefirsttrialstudyinganoralpreventiondrug.

SohowrealisticaretheGatesinexpectingevenmorefromtheARVs?"Idothinktherangeofpreventionoptionswehavewithinthenextdecadewillgreatlyexpand,"saysDr.HeleneGayle,PresidentofCareUSAandco-chairoftheconference."Thebiologicplausibilityforbothmicrobicidesandoral-preventiondragsissogreat."Dr.MarkDybul,U.S.GlobalAIDSCoordinator,saidthatifamicrobicideorpreventiondrugbecomesavailabletoprotectpeoplefrominfections,theywouldbefundedunderthePresident'sEmergencyPlanforAIDSReliefifcountrieschosetousethem."Wewouldsupportallofthat;itwouldbeperfectlywithinourmandatetodoallthat,"hetoldTIME.

PreventingHIVistheonlywaytokeepthenumberofnewinfectionsthatoccureachyear--4million--fromgrowing.Andyetpreventionstrategies,alwaystheuglystepsistertotreatmentprograms,havenotreallytakenholdinthedevelopingnationswheretherateofinfectionishighest.Aneffectivevaccine,ofcourse,istheultimatepreventionweapon,butastheGates'pointedout,anHIVshotisstillalongwayoff.Inthemeantime,microbicidescouldbeonewaytoco-optARVsintothepreventionwar;thesearechemicalcompounds,usuallyintheform.ofagelorcream,thatwomencanusevaginallypriortointercoursetostopthetransmissionofHIV--it'sthesameideabehindspermicides(杀精子剂),whicharechemicalbarrierstospermenteringthevaginaandcausingpregnancy.It'sanelegantlysimpleapproach,madeevensimplerbythefactthatresearchersdidn'treallyhavetostartfromscratchtocomeupwithnewanti-HIVcompounds;theyalreadyhavethemintheARVs,whichnowinterruptthevirusfrominfectingcellsatvariouspointsinitslifecycle.

Thekeydifferenceisthatinamicrobicide,thedrugsarebeingusedinhealthypeopleratherthaninthoseinfectedwithHIV.WhenARVsareusedfortreatment,bothdoctorsandpatientsarewillingtotolerateahigherlevelofsideeffects--afterall,ifthechoiceisbetweendyingfromHIV-AIDSandsideeffects,mostpatientsoptforthelatter.Ifthedrugsaretobeusedtopreventinfection,however,everythingchanges;understandably,healthypeoplearen'taslikelytoacceptthesamelevelofsideeffectsandtoxicitiesasthosealreadyinfected.

That'swhyclinicaltrialsaresosignificant.Sofar,thereare30to40differentmicrobicidecandidatesbeingtestedinanimals,andfivetrialsinGhana,Nigeriaandotherdevelopingnationsatthemostadvancedstagesoftestinginwomen.Dr.GitaRamjee,oftheHIVPreventionResearchUnitinDurban,SouthAfrica,hasworkedwithallfive,andishopefulthattheywillproveeffectiveandmakeanimpactonthedisease.BecausetheselatestmicrobicidesarereformulatedARVs,however,theproblemofthevirusbecomingresistanttothemisapotentialdrawback.Dr.PeterPlot,ofUNAIDS,suggestsbasingmicrobicidesonlyonthedrugsdonotmakeitthroughthepharmaceuticalpipelinemanyarerejectedbecaus

A.YB.NC.NG

9.

WhichyearisthefewestinviolationoffederalsmogstandardsinLosAngeles?

A.1976B.1979C.1990D.2004

10.

The3Mtagline"Innovation"isconsideredgreat,foritmanagestoblendinthelinetheir______.

11.StudioengineersbenefitgreatlyfromAuto-Tuneinthat______.

A.theynolongerneedtocorrectwrongnotes

B.ithelpsthemkeepsongssecretbeforegoingpublic

C.itistotallyfreeandthussavesthemlotsofmoney

D.theydon'thavetowastetimeonrecordingmusicagain

12.

Oldpeopleshouldn'tbothertochangetheireatinghabitsbecauseit'stoolateforittodothemanygood.

A.YB.NC.NG

13.

Despitemultipleauthors,thebookis______throughoutthetext.

14.

Thosepeoplewhohavesetupcorrectgoalswillalwaysbehappy.

A.YB.NC.NG

15.

Exercisesingratitude,kindnessandoptimismcanmakepeoplehappier--butonlyiftheykeepdoingthemandtheseexercises______.

16.HowtoTakeaJobInterview

Tosucceedincampusjobinterviews,youhavetoknowwherethatrecruiteriscomingfrom.Thesimpleansweristhatheiscomingfromcorporateheadquarters.

Thatmaysoundobvious,butitisasignificantpointthattoomanystudentsdonotconsider.TherecruiterisnotafreespiritashefliesfromBerkeleytoNewHaven,fromChapelHilltoBoulder.He'sonaninvisibleleashtotheoffice,andifheisworthhissalary,heismentallyincorporateheadquartersallthetimehe'sontheroad.

Ifyoucanfixthatinyourmind--thatwhenyouwalkintothatbare-walledcubicleintheplacementcenteryouarewalkingintoabranchofficeofSears,BendixorGeneralMotors--youcanavoidalotoflittlemistakesandmaybesomebigones.

If,forexample,youassumethatbecausetheinterviewisoncampustherecruiterexpectsyoutolookandactlikeastudent,you'reinforashock.Astudentissomebodywhodrinksbeer,wearsbluejeansandthrowsaFrisbee.NorecruiterhasjobsforstudentFrisbeewhizzes.

AcoolspringdayinlateMarch,SamDavis,agoodrecruiterwhohasbeenonthecollegecircuitforyears,isonmycampustalkingtocandidates.Hecomesouttothewaitingareatomeetthestudentwhosignedupforan11o'clockinterview.I'mstandinginthedoorwayofmyofficetakinginthescene.

Samcallsthecandidate:"SidneyStudent."TheresitsSidney.He'sata45degreeangle,hisfeetareintheaisle,andhe'salmostlyingdown.He'swearingwell-polishedbrownshoes,atastefulpairofbrownpants,alightbrownshirt,andagoodlookingtie.Unfortunately,hetopsoffthiswell-coordinatedoutfitwithhisJoe'sTavernClassASoftballChampionshipjacket,whichhasabigwovenemblemovertheheart.

Ifthatisn'tbadenough,inhislefthandisacigaretteandinhisrighthandisahalf-eatenapple.

WhenSamcallshisname,thekidiscaughtoffguard.Heditchedthecigaretteinanashtray,strugglestohisfeet,andtransferstheapplefromtherighttothelefthand.Applejuiceiseverywhere,soSidwipeshishandontheseatofhispantsandshakeshandswithSam.

Sam,whobynowisclosetohavingastroke,givesmethatwhat-do-I-have-herelookandhastheyoungmanfollowhimintotheinterviewroom.

Thesituationdeterioratesevenfurther--intopureLaurelandHardy.Thekidisstuckwiththehalf-eatenapple,doesn'tknowwhattodowithit,andobviouslyissufferingsomediscomfort.Hecarriestheappleintotheinterviewroomwithhimandplacesitintheashtrayonthedesk--rightontopofSam'sfreshlylitcigarette.

Theinterviewlastsfiveminutes...

Letusmoveinforacloserlookathowthecampusrecruiteroperates.

Let'ssayyouhavea10o'clockappointmentwiththerecruiterfromtheXYZCorporation.Therecruitergetsridofthecandidateinfrontofyouatabout5minutesto10,jotsdownafewnotesaboutwhatheisgoingtodowithhimorher,thenpicksupyourresumeordatasheet(whichyouhavesubmittedinadvance)...

Althoughtherecruiterisstillintheinterviewroomandyouarestillinthelobby,yourinterviewisunderway.You'reon.Therecruiterwilllookoveryoursheetprettycarefullybeforehegoesouttocallyou.Hedevelopsamentalpictureofyou.

Hethinks,"I'mgoingtoenjoytalkingwiththiskid,"or"Thisone'sgoingtobeaturkey."Therecruiterhasalreadybeguntomakeadecisionaboutyou.

Hisfirstimpressionofyou,fromreadingthesheet,couldcomefromyourgradepoint.Itcouldcomefrommisspelledwords.Itcouldcomefrompoorerasuresorfromthefactthatnecessaryinformationismissing.Bythetimetherecruiterhasfinishedreadingyoursheet,you'vealreadyhitthe

A.YB.NC.NG

17.

LisaPerezwasalwaysoptimisticduringtheperiodofherunemployment.

A.YB.NC.NG

18.

Mostold-growthforeststhatareoutsideofprotectedparksand______havebeenharvested.

19.

Tocurethesnoringproblems，surgerycanbeusedtoimprove______.

20.

Whencompaniesstartedlosinglawsuitsregardingtheirchemicalemissions,theideaoftoxicreductionbecameratherpopularin______.

二、3.ListeningComprehension(20题)21.(14)

A.Addupthefiguresoncemorenow.

B.Putoffthecalculationsuntiltomorrow.

C.Takearestfirstandfinishthefigurestoday.

D.Trycalculatingthefiguresforthelasttime.

22.听力原文：W:Areyouabouttojointherallyagainsttherecentpolicebrutalityofthestudentsduringaconcert?

M:Well，ratherthanjumptoconclusionsjustyet，IthinkI'llfindoutwhatreallyhappened.Therearetwosidestoeverystory,youknow?

Q:Whatdoesthemanimply?

(15)

A.Hethinksthepolice'sactionwasjustified.

B.Hethinksthestudentsweretotallywrong.

C.Hewantstofindoutthestudents'sideofthestory.

D.Hewantstofindoutmorebeforehetakesastand.

23.(36)

A.Prestigeschoolsmaynotbebetter.

B.Thequalityisaboutthesameiseveryschool.

C.Prestigeschoolsarealwaysthebest.

D.Inagoodschoolthestudentsalwayslearnmore.

24.【B10】

25.

【B8】

26.(25)

A.Thedifferentkindsofinvestments.

B.Theimportanceofinvestments.

C.Therisksoftheproductsandtheirpotentialrewards.

D.Thesumofinvestments.

27.听力原文：W:Tony,Ihavebeenhearingsomuchinthenewsaboutdifferentpresidentialcandidates.CanyoutellmealittleabouthowAmericanselecttheirPresident?

M:Well,it'salongprocess.Westartoffbydecidingwhotheofficialcandidateforeachpoliticalpartywillbe.Usually,apersonfirstannouncesthatheorshewantstorunforPresident.Ifyouwanttobeyourparty'sofficialcandidate,youneedtoraisemoneyandgathersupportfrompartymembers.Candidatesusuallycampaigntoletpeopleknowwhattheyrepresent.Theygivespeeches,meetwithcommunityleaders,andparticipateindebates.Thisprocesslastsforseveralmonths,andthenthepartymembersvotetodecidewhotheywanttobackintheelection.

W:DoyouhavetoberichtobecomePresident?

M:Youdon'treallyhavetoberichtobecomePresident,butithelps.Usuallyrichpeoplehavemoreconnectionsandcanraisemoneymoreeffectively.MostofourPresidentsinthepasthavebeenrelativelyrichmen,butnotallofthem.

W:So,howdoyoumakethefinaldecision?

M:Afterseveralmonthsoftelevisionads,interviews,speeches,andkissingbabieswehavethepresidentialelection.Citizensgotoavotingcenterandcasttheirballotforthecandidateoftheirchoice.

W:Yousoundedalittlecynicalwhenyousaid"kissingbabies".Whatdidyoumeanbythat?

M:Well,it'squitecommonforpoliticianstohavethemselvesphotographedkissingbabies.It'stheirwayoftryingtoappearintouchwiththeaverageAmerican,butitlooksreallyphony.Thesedays,becomingPresidentisallaboutacting.Thecandidatestrytoappealtosomanydifferentpeoplethattheyendupabandoningtheirownopinions.Sometimes,itfeelslikethepartiesareallthesame.

W:Howmanypartiesarethere?

M:WehavemanypoliticalpartiesintheUnitedStates,butmostofthemarequitesmall.Therearereallyonlytwowithsignificantpower,theDemocratsandtheRepublicans.

(20)

A.Raisingmoney.

B.Gatheringsupportfromothers.

C.Givingspeeches.

D.Choosingtheofficialcandidateforeachpoliticalparty.

28.听力原文：W:Doyouliketorun?

M:Yeah,whenthepolicearechasingme.

W:FastlikeClement?

M:Who?

W:KerronClement.Hejustbroketheworldrecordinthe400meters.Didyouknowthathe'sonly19yearsold?Didyouseeitonthenews?

M:Iheardabitaboutit.

W:Okay.Well,let'slookattherest.ThisFloridasophomoreranthe400metersin44.57secondsattheNCAAIndoorTrackandFieldChampionships.Hebrokethemarkof44.63secondssetbyMichaelJohnsonin1995.

M:Hey，I'mfast.Icouldbeathimanyday.

W:Yeah,onlyifthereisa$20billblowinginthewindinfrontofyou.Let'sgobacktothestorynow.ClementisfromTrinidadandTobagoandmovedtotheUnitedStateswhenhewas13.HewasahighlydesirableathleteatLaPorteHighSchoolinTexas.BigsportsschoolslikeLouisianaStateUniversity,TexasandTennesseewereafterhim.HechoseFloridaandwastednotimeinmakinghismark.HewontheNCAAchampionshipinthe400meterhurdlesandthenwontheworldjuniorchampionshipinthesameevent.Atthejuniorchampionships,ClementcompetedfortheUnitedStatesafterearninghisU.S.citizenshiplastsummer.HeprobablycouldhavegonetotheOlympicsforTrinidadandTobagolastyear,butpreferredtobecomeanAmerican.WhydoyouthinkhewantedtobecomeanAmerican?

M:ProbablyAmericaishisnewhomeandithasbetter1ivingconditionsthanbackhome.

W:Yeah,somethinglikethat.Hesaidhelovescompetitionandhewantstotrainwiththebestintheworld,theAmericans.

(20)

A.ToconfirmthatthemaniscapableofbeatingClement.

B.Toshowhowsincereheis.

C.Togiveanexampleofhowtorunfast.

D.Tomakeajokeabouttheman'scomment.

29.【B11】

30.(29)

A.Theauthorisoptimistic.

B.Theauthorispessimistic.

C.Theauthorisaggressive.

D.Theauthorisambitious.

31.听力原文：W:Johnthinksthatyoushouldnotfixyourcaryourself.

M:Whyshouldhecare?It'snothiscar.

Q:Whatdoesthemanimply?

(18)

A.ItdoesnotconcernJohn.

B.Johndoesnotcareabouthiscar.

C.Johnwillhelphimfixthecar.

D.tiewantsJohntofixthecar.

32.(26)

A.Theyknowwhattheywanttobuy.

B.Theyhavelittlemoneytospend.

C.Theytalkthemselvesoutofpurchases.

D.Theyshopatthecheapeststores.

33.听力原文：W:It'sabeautifulwatch.Wheredidyougetit?

M:Itcameinthemailthismorning,asabirthdaypresentfrommyparents.

Q:Whatdoesthewomansayaboutthewatch?

(16)

A.Sheordereditthroughthemail.

B.Itwasapresentfromherparents.

C.Amalestudentgaveittoherasabirthdaypresent.

D.Shegotitwhilevisitingherparents.

34.听力原文：W:Didyoumakeyourfurniture,it’sveryelegant.

MIcouldn’thavedoneallthiscarpentering,Ihaditmade.

Q:Howdidthemangetthisfurniture?

(19)

A.Hemadeithimself.

B.Hehadacarpentermakeit.

C.Heboughtit.alongtimeago.

D.Hehadanoldonere-made.

35.

【B5】

36.(22)

A.Agreatnumberofrespondents.

B.Representativesamplepeople.

C.Meaningfulquestions.

D.Detailedinformation.

37.(35)

A.Theraidhadbeenphotographedbyhiddencameras.

B.Somewatchmanhadseentheraid.

C.ThebanktellerprovedthatJoewastherobber.

D.Somemonitorshadbeeninstallednearby.

38.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

Agreatmanypeopleareafflictedwithshyness.Commonsenseindicatesthatitisacomplicatedbehavior.pattern【B1】______bypsychologicalinhibitionwhensocializing.Whenit【B2】______,thepersonusuallyrecognizesthedifficultyin【B3】______withpeople,experiencesinternaldiscordsindecidingwhetheroneshouldexpresshimselfornot,andsuchfeelingsandemotionsthatareexpressed【B4】______infantasies.Oncetheseemotionscannotfindtheirrealizationinreallife,suchdiscordsmakethefantasiesbecomemorefierceandfrequent,becauseinthefantasies,the【B5】______toexpressiondonotexist.

Internaldiscords,【B6】______enoughandwithoutclearself-consciousness,cansometimesgeneratethe【B7】______ofthreatorofdanger,namedanxiety.Therearemanyemotional【B8】______involvedinanxietyaswell.Someofthemincludefeelingsofapprehensionordread,troubleconcentrating,irritability,restlessness,andfeelinglikeyourmind'sgoneblank.

Anyway,bothcommonsenseandalookattheinternalprocessofthepersonshouldrevealthetruththat【B9】______;rather,assomeexpertsaddress,【B10】______.Itcanbeobservedinmanysocialsituations.【B11】______.

【B1】

39.(40)

40.【B3】

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

Speakingoftheonlinetechnologyavailableformarketing,theauthorimpliesthat______.

A.thetechnologyispopularwithmanyWebusers

B.businesseshavefaithinthereliabilityofonlinetransactions

C.thereisaradicalchangeinstrategy

D.itisaccessiblelimitedlytoestablishedpartners

42.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

Icebergsareamongnature'smostspectacularcreations,andyetmostpeoplehaveneverseenone.Avagueairofmysteryenvelopsthem.Theycomeintobeing—somewhere—infaraway,frigidwaters,a-midthunderousnoiseandsplashingturbulence,whichinmostcasesnoonehearsorsees.Theyexistonlyashorttimeandthenslowlywasteawayjustasunnoticed.

Objectsofsheerestbeauty,theyhavebeencalled.Appearinginanendlessvarietyofshapes,theymaybedazzlinglywhite,ortheymaybeglassyblue,greenorpurple,tintedfaintlyorindarkerhues.Theyaregraceful,stately,inspiringincalm,sunlitseas.

Buttheyarealsocalledfrighteninganddangerous,andthattheyareinthenight,inthefog,andinstorms.Eveninclearweatheroneiswisetostayasafedistanceawayfromthem.Mostoftheirbulkishiddenbelowthewater,sotheirunderwaterpartsmayextendoutfarbeyondthevisibletop.Also,theymayrolloverunexpectedly,churningthewatersaroundthem.

Icebergsarepartsofglaciersthatbreakoff,driftintothewater,floataboutawhile,andfinallymelt.Icebergsafloattodayaremadeofsnowflakesthathavefallenoverlongagesoftime.Theyembodysnowsthatdrifteddownhundreds,ormanythousands,orinsomecasesmaybeamillionyearsago.Thesnowsfellinpolarregionsandoncoldmountains,wheretheymeltedonlyalittleornotatall,andsocollectedtogreatdepthsovertheyearsandcenturies.

Aseachyear'ssnowaccumulationlayonthesurface,evaporationandmeltingcausedthesnow-flakesslowlytolosetheirfeatherypointsandbecometinygrainsofice.Whennewsnowfellontopoftheold,ittooturnedtoicygrains.Soblanketsofsnowandicegrainsmountedlayeruponlayerandwereofsuchgreatthicknessthattheweightoftheupperlayerscompressedthelowerones.Withtimeandpressurefromabove,themanysmallicegrainsjoinedandchangedtolargercrystals,andeventuallythedeepercrystalsmergedintoasolidmassofice.

Thispassagegivesanintroductionof______.

43.

Lateralthinkersaredifferentfromverticalthinkersinthat______.

A.theytendtolookintoasituationfromalldifferentanglestoworkoutasolution

B.theytrytoattacktheirproblemineverypossiblewayonthebasisoftheassumptionthattheremustbeasolutiontotheproblem

C.theybelievethereisasolutiontoeveryproblemandwillexaminetheproblemindifferentways

D.theythinkcarefulandlogicalanalysisisindispensabletothesolutionofacomplicatedproblem

44.

ForwhatpurposedoesthewritercitethesubsequentresearchmadeatWesternMichiganUniversity?

A.Toprovideevidenceforhownewknowledgeisproduced.

B.Toshowtheuniversity'sprogressinusingtechnology.

C.Toelaborateonthefactorsinfluencingtheuseofnewinstructionaltechnologies.

D.Totellthatnewknowledgecanbeenhancedbytechnology

45.

WhichofthefollowingstatementsisNOTtrue?

A.Someadultscan'ttellfightfromwrong.

B.Censorshipiscomparedtothelawbecausebothofthemperform.goodservicetosocietyasawhole.

C.Censorspayattentiononlytogenuineworksofart.

D.Censorshipisnecessarybecausemanybooks,playsandfilmsarefarfrombeing"worksofart".

46.

Whatshouldgraduatesusuallydotogetintoprofessionsrelativetohismajor?

47.

Whyistopmanagementofschooltofitachild'spersonality?

48.

ThewritercitesJaschaHeifetz'sexamplemainlybecause______.

A.heisaskillfulviolinist

B.hequitstheconcertstageathispeak

C.heendseveryshowgracefully

D.heisadornedbyhisaudience

49.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

Ahandfulofcash-richcompaniesareconsolidatingpowerinthetechnologyindustry,usingtheirwealthtoexpandintonewbusinessesandmakingitharderforsmallandmidsizecompetitorstobreakthrough.Whytheindustryisevolvingthiswayisrootedinbalancesheets.Overthepasttwoyears,AppleInc.,OracleCorp.,GoogleInc.,MicrosoftCorp.andsixotherlargetechcompanieshavegenerated$68.5billioninnewcash,comparedwithjust$13.5billionfortheother65techcompaniesintheS&P500Indexcombined,accordingtoaWallStreetJournalanalysisofdataprovidedbyCapitalIQ.

Therichfewarefundinginvestmentsatatimewhenmanyothershaveretrenched.Overthepastyear,Oraclepaid$7.4billiontogetintothehardwarebusinessbyacquiringSunMicrosystems,andDellInc.boughtPerotSystemstoaddtechnologyservices.CiscoSystemsInc.spentmorethan$7billiontoacquiresixcompanies.Google,meanwhile,hastappeditssavingstofundmovesintocomputeroperatingsystemsandmobilephones.Microsofthasfinanceditsmoney-losingquesttotakeonGoogleinsearchwithitscash.AndApplehasuseditsreservestodeveloptheiPadandtakeaimatGooglerecentlybyacquiringamobile-advertisingcompany.Becauseoftheirmassivecashaccumulation,thesecompaniescanaffordtotakerisksthatsmallercompaniescan'tatatimewhentheeconomyremainsfragile.Theresultisabifurcated(一分为二的)techlandscape,saysErikBrynjolfsson,aprofessorattheMassachusettsInstituteofTechnology'sSloanSchoolofManagement.

Therepercussionsfromthecashdiscrepancyarebeingfeltthroughouttheindustry.Somemidsizetechcompaniesaregivinguptryingtocompetewiththeirlargerrivals.Othersaregearinguptomaketheirownacquisitionssoasnottobeleftbehind.Forexample,online-softwaremakerSalesforce.cornInc.nearlydoubleditscashreservesinJanuarybytakingon$575millionindebtthatitsaysitwilluseinpartforfutureexpansionandacquisitions.Othermidsizetechcompanies,suchasCienaCorp.,haverecentlyscoopedupsmallerrivalstobulkup.

Fromtheendof2007totheendof2009,the10richesttechcompaniesincreasedtheircashlevelsby48%to$210billion.Theother65techcompanieslistedintheS&P500uppedtheircashonly13%inthesameperiod,to$118billion.Theupshot:Thegapbetweenthegroupsstoodatarecord.Thegapwouldbeevenlarger,exceptanaccountingchangecausedAppletodesignateabout$10billionofitsholdingsaslong-terminvestments.

Intechnologyindustry,cash-richcompaniestendtogetbiggerandleavelittleroomforsmallandmidsizecompetitorstodevelopdueto______.

50.

【C10】

51.

Accordingtothepassage,BenjaminFranklinwasthefirsttoprovethat______.

A.lightningiscausedbyhailthroughsupercooledclouds

B.thundercloudsarenotchargedwithelectricity

C.thundercloudsarechargedwithelectricity

D.lightningwasnotaninventionofthedevil

52.Accordingtothepassage,insectscansee______whichhumanscan'tsee.

53.

Strausbelievesthattherelationshipbetween______isprobablybidirectional.

54.Nowscientistshavefoundinthepastfewyears______.

A.theexposureofDNAtothepublicisunnecessary

B.thetinycellinDNAisaneatlittlemachine

C.manknowsnothingaboutDNA

D.manhasmuchtolearnaboutDNA

55.AccordingtoHoxby,thecharterschoolssucceedpartlybecause______.

A.theirreputationstendtoattractmanyexcellentstudents

B.theteachingmethodsstimulatestudents'enthusiasmofstudy

C.thesalarymechanismmobilizestheteachers'teachinginitiative

D.thepoorfamilybackgroundsmakethestudentsworkenergetically

56.

Whywouldn'ttheablepeoplegotofillthejobs?

57.

WhatisCongressandtheadministration'sattitudetowardstheFedandtheTreasury'actions?

A.Theythinktheiractionsaretoodramaticforthesituation.

B.Beingpickyatfirst,theyfinallysupporttheiractions.

C.Theytotallyapproveofthedramaticinterventionsfortheexperienceof1929.

D.Theyth