2021-2022年四川省巴中市大學(xué)英語(yǔ)6級(jí)大學(xué)英語(yǔ)六級(jí)真題(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

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

Accordingtothewriter,althoughthechallengeofproducingstudentswiththecommunicationskillsmaybedaunting,wecanneversucceedif______.

2.

Bullyproblemisdefinitelymoreseriousthanwhatthesesurveys'figureshaveshown.

A.YB.NC.NG

3.UnderdevelopedPeople

TheIndianslivingonthehighplainsoftheAndesMountains,inSouthAmerica,haveabackgroundrichinhistorybutrichinlittleelse.ThesesevenmillionpeoplefromthegreatoldIndiannationsliveinalandoffewtrees,poorsoil,cuttingwindsandbitingcold.Theirfarmsdonotgiveenoughfoodtosupportthem.Theirchildrenfromtheageofthreeorfourmustworkinthefields.Thedeathrateoftheirbabiesisamongthehighestintheworld,theirstandardsofeducationamongthelowest.Theyliveatheightsoftenorfifteenthousandfeet,whereeventheairlacksthethingsnecessaryforlife.

TheneedsoftheseIndians,scatteredacrossthreecountries--Ecuador,PeruandBolivia--aregreat.Theirproblemsaredifficultandtheirdiseasesaredeeplyrootedinanold-fashionedwayoflife.Probablynosingleprogramofhelpcangreatlybettertheircondition.Healthprogramsarenogoodwithoutfarmprograms,andfarmprogramsfailwheretherehavebeennoprogramsofeducation.

FiveinternationalorganizationshavecombinedeffortstoseektheanswerstotheproblemsoftheunfortunatedescendantsoftheIncaIndians.TheyareworkingwiththegovernmentsofPeru,BoliviaandEcuadoronwhattheycalltheAndeanMission.Sixareashavebeenformed,oneeachinEcuadorandPeru,fourinBolivia.Heremethodsaretestedtoattackpooreducation,poorfood,poorlivingconditionsanddiseaseallatonce.

Wepassedfieldsoflowcornandthinwheat.Wholevillageswereatworkplantingpotatoes.Themenformedalineandwalkedslowlybackward,beatingthesoilwithsticks.Thewomen,onhandsandknees,followedthemen,breakingthehardearthwiththeirhands.Theirredandorangeskirtsflashedbrightlyinthesun.Thescenewasbeautiful,buttheland,seedsandcropswereallpoor.

Uponarrivingatavillage,wewenttovisittheschoolforcarpenters.Itwasinanoldbuildingwherethirtyboyswereattendingclasses.Thereweretwoclassroomscontainingcompletesetsoftools.Isawmoretoolstherethaninanycarpenter'sshopinLatinAmerica.Mostoftheboyswerecuttingboardsforpractice.Theyworkedsteadilyanddidn'tevenlookupwhenweentered.

Theteacherremarkedthatthegreatestproblematthemomentwasfindingwood,asalmostnotreesgrowonahighplain.Someoneremarkedthatitwouldnottakelongfortheschooltoproducetoomanycarpentersinanareawithouttrees,wheremostofthebuildingswereofstoneormud.Thewoodbroughtfromthejunglewastoocostlyformostofthepeople.Theanswerwasthattheoriginalpurposeoftheschoolwastotraincarpentersandmechanicstogotootherpartsofthecountry.Theywouldworkwherethegovernmentisdevelopingnewvillagesattheedgeofthejungle.

Acrossfromthecarpentry-roomtherewasamachineforproducingelectricpower.Withittheboyswouldbetaughttheirfirstlessonsinelectricity.Otherboysstudiedcarrepairing.

Intheyardagroupofboyssurroundedalargetractor.Theteacherwasshowingthemhowtooperateit.Noonewassurehowmanyothertractorstherewereinthearea.Guessesrangedfromtwototen.Iftheschoolturnedoutmoreboystohandlethemthanthefarmscoulduse,therest,itwashoped,wouldseekalivinginthelowervillageswheremorepeoplelived.

Thenextday,againstthecuttingwindsoftheBolivianmountains,weweregoingtoavillagethatistheoldestofthefourBolivianprojectsoftheAndeanmission.Behindus,acrossthevalley,rainfellfromtheblackcloudsbeyondthesnowymountain-tops.Thewindandrainbeatagainstthecaraswetraveledacrosstheopenfieldstocometotheyardofanoldfarm.

Mytriphadbeenpannedatthelastminute.Sincethevillagehasnotelegraphtotelephoneservices,noo

A.NB.YC.NG

4.

MorethanhalfofAmericansnowusetheInternet.

A.YB.NC.NG

5.

The______referstotheaveragenumberofchildrenwomenwillbearintheirlifetime.

6.

Antibioticshavenoeffectondiseasescausedbyviruses.

A.YB.NC.NG

7.

Asilomarhasbeenregardedasalandmarkinthehistoryofsciencesincetheworld'sleadingbiologistsmettheretodiscuss______.

A.geneticissues

B.worldpeace

C.artificialintelligence

D.theoriginoflife

8.

Aslocaltemperaturesfluctuatenaturally,itisnotrighttosaythattheEarthisbecominghotter.

A.YB.NC.NG

9.Ifmanypeoplehavedemandforthenetworkatthesametime,thedatacommunicationwillbedifficultevenwith4Gtechnology.

10.It'sthemonitoringfunctionthatmakesthehostprocessorfinallysolveadisputeaboutatransaction.

11.

Accordingtointerpersonaltheoryofdepression;peoplemightbementallyillwithoutenough______.

12.

Maglevtrainscanrunextremelyfastpartlybecausetheyarefreefromfrictionbyfloatingon______.

13.

Wecantellwhethersomeonesuffersfromdepressionornotby______.

14.WhichyearisthefewestinviolationoffederalsmogstandardsinLosAngeles?

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

15.

Policemen,firemenandemergencydoctorsallcanbecalledfirstresponders.

A.YB.NC.NG

16.Toresolveremaininguncertainties,it'snecessarytoobservefactorssuchaswind,clouds,andhumidityinthetropospheretomakesuretheyareconsistentwith______.

17.AccordingtoAnnieStevens,manynewlyrecruitedmanagersfailinanewjobbecausetheycannotgetalongwiththeircoworkers.

18.

BesidesSATscores,whatdocollegesalsoconsiderintheiradmissionprocess?

A.Recommendationsandextracurricularactivities.

B.Students’academicachievementinhighschool.

C.Students’abilitytoachievesuccessincollege.

D.Students’ACTscores.

19.Howistheflowrateofahydroelectricpowerstationquantified?

A.Thedepthofthewater.

B.Volumeovertime.

C.Speedovertime.

D.Thewidthofthewater.

20.Toimproveyouroutput,you'dbettercreateastandardforyouroutputandaredeterminedtoovertakeit

二、3.ListeningComprehension(20題)21.聽力原文：M:Thesummerholidayiscoming,butIreallydon'tknowwhattodo.Theredoesn'tseemtobeanyjobsavailable.

W:Whydon'tyoutryhouse-sitting?LastsummerCindywasahousesitterfortheSmithswhentheywentawayonvacation.TheyhiredCindytostayintheirhousebecausetheydidn'twantitleftempty.

M:YoumeantheypaidCindyjusttoliveintheirhouse?

W:Itwasn'tthateasy.Shehadtowaterthehouseplants,mowthelawn,andeventakecareofthepets.

M:Iguessitisalittlelikebaby-sitting,exceptyou'retakingcareofahouseinsteadofchildren.

W:Thestudentemploymentofficestillhasafewjobsposted.

M:DoIjusthavetofilloatanapplication?

W:Youhavetohaveaninterviewwiththehomeownerandprovidethreereferencesatleast.

M:Thatseemslikealotoftroubleforasummerjob.

W:Well,thehomeownerwantssomeguaranteethattheycantrustthehousesitter.Youknowtheywanttomakesureyou'renotthetypewho'llholdwildpartiesintheirhouse,orbringagroupoffriendsinwithyou.

M:Isee.Housesitterswhodothatsortofthingprobablyaren'tpaidthen.

W:Usuallythey'repaidanywayjustbecausethehomeownersdon'twanttomakeafuss.Butifthehomeownerreportsit,thehousesitterwon'tbeabletogetanotherjobeasily.Sowhydon'tyouapply?

M:IthinkIwill.Thankyou.

(20)

A.Theylefttheirpetswithneighbors.

B.Theyrentedtheirhousetoastudent.

C.Theyhiredsomeonetostayintheirhome.

D.Theyaskedtheirgardenertowatchtheirhouse.

22.聽力原文：M:HeyJolin,didyougetthatemailaboutthenewoptionsforfoodservicenextsemester?

W:Notyet.Aretherealotofchanges?

M:Theresureare.Insteadofpayingonefeetocoverallmealsforthewholesemester,wearenowabletochoosebyseven,ten,fourteenortwenty-onemealsperweek.Theygiveyouacardwiththenumberofmealsyougetforaweekmarkedonit.

W:That'sabigchange,andacomplicatedsystem.

M:Yeah.Butitwillbemuchbetterforpeoplewhodon'teatthreemealsaday,sevendaysaweekinthecafeteria,likeme,becausetheydon'thavetopayformealstheydon'teat.

W:Sowhat'sthedealforthosewhoeatatschoolallthetime?

M:It'sbetterforthem,too,becausethemoremealsyoucontract,thecheapereachoneis.

W:Isee.Itstillsoundsrathercomplicated.

M:True.Ittookmeseveralhourstofigureitout.Idecidedtogowiththetenmeals.

W:Whyisthat?

M:Well,InevereatbreakfastandIoftengoawayonweekends.Sothetenmealplangivesmelunchanddinnereachweekdayatafairlylowprice.AndIwon'tbepayingformealsIdon'tusuallyeat.

W:Andwhatabouttheweekendwhenyouareoncampus?

M:Well,thereareoftenguestsoncampusatweekends.Sotheyallowyoutobuysinglemealsonawalk-inbasisonSaturdaysandSundays.Thepricepermealismuchhigherinthatway.ButIamawaysomuchthatitwillstillbelessmoneyformetopaysinglepricesontheweekendsratherthansignupforthefourteen-meal-a-weekplan.

W:Oh,IguessI'llhavetositdownandfigureoutmyeatingpatternsoIcangetthebestdeal.

(23)

A.Itischeaper.

B.Itisdearer.

C.Itismoreflexible.

D.Itissimpler.

23.(25)

A.Becauseshebelievedeggswerenotveryexpensiveandalsocontainedalotofprotein.

B.Becauseshethoughtherheartwasstrongandeatingtoomuchproteincouldnothurtherheart.

C.Becauseshehadbeentoldthateatingeggscouldhelphertohaveafinefigure.

D.Becauseshelikedeggssomuchthatshecouldnotstandifshedidn'tcateggseveryday.

24.SectionB

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

聽力原文：[26]Thereisnodoubtthatadults,andevenhighlyeducatedadults,varygreatlyinthespeedandefficiencyoftheirreading:Someproceedveryslowlythroughout;othersdashalongtooquicklyandthenhavetogobackagain.Poorreadersinparticularmaylacktheabilitytovarytheirmannerofreadingaccordingtothetypeofreadingmatterandtheirintentionsinreadingit.Agoodreadercanmoveatagreatspeedthroughthetextofanovelorsimilarlightreadingmatter.Inreadingmoredifficultmaterial,withtheintentionoftakinginthewholeofit,hewillproceedmoreslowly,buteventhenhewillvaryhispace,concentratingonthekeywordsandpassages,re-readingthemseveraltimesorpassingmorequicklyovertheremainder.[27]Alessefficientreadertendstomaintainthesamespeedwhateverthematerialhereads.Therefore,evenlightreadingmattergiveshimlittlepleasurebecausehereadssoslowly.Butthispacemaybetoofastforreallydifficultmaterialwhichre-quiresspecialconcentrationatdifficultpoints.

Atypeofreadingwhichneedscarefulattentiontodetailisproofreading.[28]Inordertodetectmisprintsinasampleprint,thereaderneedn'tnoticesomuchthemeaningofwhathereadsastheexactshapeandorderofwordsinthetext.Thisisextremelydifficultformostpeople,sincetheyareusedtoignoringsuchdetails.Infact,considerablepracticeisrequiredtopractisethistaskefficientlyanditcanbedoneonlybyreadingveryslowly,andbypayingcomparativelylittleattentiontothegeneralmeaningofthetext.

(27)

A.Thereisagreatdifferencebetweenreadingandlistening.

B.Thereareeffectivewaystopracticetheproofreadingskill.

C.Highlyeducatedandpoorlyeducatedpeoplehavedifferentreadinghabits.

D.Thespeedandefficiencyofreadingdependoncontentsandpurposes.

25.(15)

A.ThewomanshouldreturnhistapeplayerbyFriday.

B.Thewomanshouldbuyhimanewtapeplayer.

C.ByFridayheshouldbeabletoborrowatapeplayer.

D.Hecan'twaituntilFridayforhistapeplayer.

26.(21)

A.The'captain.

B.Thecommunicationofficer.

C.Thedoctor.

D.Thefrogperson.

27.(35)

A.Awhale.B.Asnail.C.Asnake.D.Ahuman.

28.聽力原文：M：ShallwegotoJohn'shousewarmingpartythisweekend?Everyoneisinvited．

W：Well，youknowwhatJohn'spartiesarelike．Howboringanddullnightswithbadfood．DoyouthinkIwillgoagain?

Q：Whatcanbeinferredfromtheconversation?

(17)

A.EveryoneenjoyedhimselfatJohn'sparty.

B.Thewomandidn'tenjoyJohn'spartiesatall.

C.ThewomanhasneverattendedJohn'sparty.

D.ThewomanisdadtobeinvitedtoJohn'sparty.

29.(24)

A.Drawinggraphs.

B.Givingpresentations.

C.Havingaclassdiscussion.

D.Takinganexamination.

30.聽力原文：M:Youdidn'tsayanythingatyesterday'smeeting.Don'tyouthinkitwasasuccess?

W:Iwasreallyfascinatedbywhateveryspeakersaid.

Q:Whydidn'tthewomansayanythingatthemeeting?

(17)

A.Shedidn'tthinkitasuccess.

B.Shewaslisteningtooattentivelytothespeakers.

C.Shewaspuzzledbywhatthespeakerssaid.

D.Shehadnothingtosay.

31.(42)

32.聽力原文：Asmoreandmorepeoplelosetheirjobs,nowitisperhapsthetimetoconsidertheexperienceofunemployment.Whatarethefirstfeelings?Well,losingajob,ornotbeingabletofindone,almostalwaysbringsunwelcomechanges.(29)Ifyou'velostajob,thefirstfeelingisoftenoneofshock.Aswellasthelossofincome,manypeoplefindthewholeroutineoftheirlifeisshattered.theircontactwithotherpeoplereduced,theirambitionshaltedandtheiridentityasaworkerremoved.

Atfirsttheremaybegoodfeelingstoo.Anewandbetterjobisjustaroundthecorner.It'snicetobeabletolieinbedinthemorningorspendmoretimewiththechildren;havemoretimetothink.But,unlessabetterjobdoesturnup,thechancesarethedaysstartgettinglonger.andtimebecomeshardertofill.(31)Manypeoplepassthroughperiodsofdifficultyinsleepingandeating.Theyfeelirritableanddepressed,oftenisolatedandlonely.

Despitealltheseproblemsthough,unemploymentcanbeachanceforafreshstart.Youcandiscoverthat(30)itprovidesanopportunitytosortoutorrethinkwhatyouwantfromlifeandhowbestyoucangetit.(31)Youcanusethetimetoplanhowtofieldanewjob,learnanewskill,developyourhobbiesorseeifyoucanrunyourownbusiness.

(30)

A.Theyfeelirritable.

B.Theyfeeldepressed.

C.Theyfeelshocked.

D.Theyfeelisolated.

33.聽力原文：M:IwassodisappointedtohearthatJimlosthisjob.Iknowthathisdaughterwassicklastmonth,sohewasalwayslatetowork.

W:Oh,thatwasn'tit.Jimmadeabigerrorinthisweek'saccounting.Thebosswasfurious.

Q:WhywasJimfired?

(19)

A.Hewasfuriouswithhisboss.

B.Hewasalwayslatetowork.

C.Hisdaughterwassickandthatmadehimlateforwork.

D.Hepreparedafinancialreportincorrectly.

34.

【B8】

35.【B3】

36.(32)

A.Thelocalpeoplesellthebricksforaliving.

B.Thelocalpeopleareshortofcultureknowledge.

C.Thelocalpeopleneedbricksandstonestobuildhouses.

D.Thelocalpeopledoesnotrealizetheseriousnessoftheproblem.

37.

【B3】

38.(26)

A.Troubled.B.Wicked.C.Patient.D.Humorous.

39.聽力原文：M:Goodevening,MissMalinen.Won'tyousitdown?

W:Goodevening.Thankyou.

M:Now,InoticedvanlefttheHotelScandinaviain1980,andthenyouhadbeenworkinginamedium-sizerestaurantinFinlandforabout4years.WhatareyounowdoinginEngland?

W:I'mspendingafewmonthsbrushingupmyEnglishandgettingtoknowthecountrybetter.

M:AndyouwanttoworkinEnglandtoo,why?

W:I'mkeenongettingsomeexperienceabroad,andIlikeEnglandandEnglishpeople.

M:I'mtheRestaurantManagerandHeadWaiter,soyou'dbeworkingdirectlyunderme.You'dberesponsibleforbringinginthedishesfromthekitchen,servingthedrinks,andifnecessarylookingafterthebills.Soyou'dbekeptprettybusy.

W:I'musedtothat.Inmylastpositionwewerebusymostofthetime,especiallyinsummer.

M:Good.Now,isthereanythingyou'dliketoaskaboutthejob?

W:Well,theusualquestions,whatsortofsalarywereyouthinkingofpaying?

M:Wepayourwaitersfortypoundsaweek,andyouwouldgetyoureveningmealfree.

W:Isee.

M:Now,youmayhavewonderedwhyIaskedyouheresolateintheday.Thefactis,Iwouldliketoseeyouinaction,sotospeak.Wouldyoubewillingtoactasawaitressherethiseveningforhalf-an-hourorso?Ourfirstcustomerwillbecomingin,letmesee,inabouttenminutes'time.

W:Well,I'mfreethiseveningotherwise.

M:Good.Andinreturnperhapsyouwillhavedinnerwithus?Now,letmeshowyouthekitchenfirst.Thisway,please...

(23)

A.InHotelScandinavia.

B.Inamedium-sizerestaurantinFinland.

C.InarestaurantinEngland.

D.Intheman'shouse.

40.

【B10】

三、4.ReadingComprehension(ReadinginDepth)(20題)41.Nooneshouldbeforcedtowearauniform.underanycircumstance.Uniformsaredemandingtothehumanspiritandtotallyunnecessaryinademocraticsociety.Uniformstelltheworldthatthepersonwhowearsonehasnovalueasanindividualbutonlylivestofunctionasapartofawhole.Theindividualinauniform.losesallself-worth.

Therearethosewhosaythatwearingauniform.givesapersonasenseofidentificationwithalarger,moreimportantconcept.Whatcouldbemoreimportantthantheindividualhimself?Ifanorganizationissoweakthatitmustrelyonclothandbuttonstoinspireitsmembers,thatorganizationhasnorighttocontinueitsexistence.Otherssaythatthepracticeofmakingpersonswearuniforms,sayinaschool,eliminatesallenvyandcompetitioninthematterofdress,suchthatapoorpersonwhocannotaffordgood-qualityclothingisnottobebelittledbyawealthypersonwhowearsexpensivequalityclothing.Thosepersonsconvenientlyignoresuchcriticalconceptsasfreedomofchoice,motivation,andindividuality.Ifallpersonsweretowearthesameclothing,whywouldanyonestrivetobebetter?Itisonlyashortstepfromforcingeveryonetodrivethesamecar,havethesametypeoffoods.Whenthishappens,allincentivetoimproveone'slifeisremoved.Whywouldparentsbothertoworkhardsothattheirchildrencouldhaveabetterlifethantheyhadwhentheyknowthattheirchildrenaregoingtobeforcedtohaveexactlythesamelifethattheyhad?

Uniformsalsohurttheeconomy.Rightnow,billionsofdollarsarespentonthefashionindustryyearly.Thousandsofpersonsareemployedindesigning,creatingandmarketingdifferenttypesofclothing.Ifeveryonewereforcedtowearuniforms,artisticpersonnelwouldbeunnecessary.SalespersonswouldbeSuperfluousaswell;whybothertoselltheonlyitemsthatareavailable?Thewearingofuniformswoulddestroythefashionindustry,whichinturnwouldhavearippleeffectonsuchindustriesasadvertisingandpromotion.Withoutadvertising,newspapers,magazines,andtelevisionwouldnotbeabletoremaininbusiness.Oneentireinformationandentertainmentindustrywouldcollapse.

Theauthorsprimarypurposeinwritingthispassagewasto______.

A.pleadfortheabolishmentofuniforms

B.showthatuniformsarenotpossibleinademocraticsociety

C.advocatestrongergovernmentalcontrolsonthewearingofuniforms

D.convincethereaderthatuniformshavemoredisadvantagesthanadvantages

42.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Peoplewithpetsfindithardtobelieve,butscientistscontinuetodebatewhetherornotanimalsareconscious—thatis,whetherthey'reawareofthemselvesasindividuals.

Somestillclaimthatanythinganimalsdoisstrictlytheresultofconditioning.Othersarewillingtograntanimalsacertainamountofintelligence,butarguethatanimalsarenomoreself-awarethancomputers,which,afterall,arealsocapableofcomplex,seeminglyconsciousbehavior.

Onesignofintelligence,ifnotnecessarilyconsciousness,istooluse.Chimpanzeesusestickstoreachforthingsandfishfortermites;they'veevenbeenseentoattachtwostickstogethertomakealongerstick.Non-primatescanbejustasingenious.Onescientisthadacrowlivinginhislaboratorywhowasfeddrymashthathadtobemoistenedbeforeitcouldbeeaten.Occasionallythekeepersforgottomoistenit.Thecrowusedacuphehadbeengivenasatoytogethisownwaterandmoistenthemashhimself!

Egyptianvulturesthrowrocksatostricheggstobreakthemopen;thewoodpeckerfinch,oftheGalapagosislands,usesacactusspinetoprygrubsoutoftreebranches;somegreenheronswilldropsmallobjectsontothesurfaceofthewatertolurefishtothesurface.

Dolphinshavenohands,butthey'velearnedtocarryrocksaroundbysuckingthemintotheirblowholes.Dolphinswillalsoblowbubblerings,thenplaywiththemastheyrisetothesurface.Sometimesthey'lldropbitsoffishorseaweedintothecenterofabobbleringjusttoseewhathappens.

Nevertheless,manyscientistsstillthinkthatanimalsarebasicallysleepwalkers,carryingoutcomplexactionsbutcompletelyunawaretheyaredoingso.

Thisnotiononlydatesbacktothe1920s,whenthepsychologicaltheoryknownasbehaviorismtookhold.Behavioristssaidthatanyanimalbehavior,nomatterhowcomplex,couldbeexplainedintermsoftheinteractionoflearnedresponsestostimuli.Behaviorismmadeitpossibleforpsychologiststocarryoutrigorousexperiments,andsoitbecameverypopular.

Theproblemwithanimalconsciousnessisthatit'salmostimpossibletoproverigorously.Still,thereisevidence:notonlythecommon-senseevidencepet-ownersprovide,butexperimentalevidence(i.e.,"ifratsandhumansreactinexactlythesamewaytocertainsituations,andhumansareawareofwhythey'reactingthatway,mayberatsaretoo")andindirectevidence(certainbrainwavesthatseemtobelinkedtoconsciousthoughtsinhumansoccurinanimals,too).

Consciousness,arguethescientistswhobelieveanimalspossessit,istooimportanttosurvivalforanimalsnottopossessit.Whensomethingunusualorunexpectedhappens,anorganismneedstofigureouthowtoescapeorotherwisecope.That'swhenconsciousnessswingsintoaction,andallyanimalwithoutitisataterribledisadvantage.

What'sthetopicinthispassage?

A.Animalconsciousness.

B.Animalbehavior.

C.Toolusebyanimals.

D.Signsofanimalintelligence.

43.Whatdoesthepassagesuggestpeopledo?

A.Supplyantioxidantsregularly.

B.Don'ttakeextraantioxidants.

C.Takeenoughvitamins.

D.Takemorefruitsandvegetables.

44.

WhichstatementisNOTtrueconcerningthecontroversyaboutglobalwarming?

A.ThenewreportfromNRCismotivatedbythecontroversyoverMichaelMann'sclaim.

B.Thosewhodoubtglobalwarmingconsiderthatwarmingisanaturalphenomenon.

C.Thosesuspiciousofglobalwarmingtakeaninconsistentstanceontheissue.

D.Theargumentendsinthedefeatofglobal-warning-doubters.

45.

Thereasonwhy1994wasexceptionalisthat__

A.itsawanunusuallylargenumberoftouriststotheU.S.

B.itwitnessedadropinthenumberoftouriststotheU.S.

C.tourismwashardlyaffectedbytheweakeningoftheU.S.dollarthatyear

D.touristscametotheU.S.forsightseeingratherthanforbargainsthatyear

46.

WhatspiritwasencouragedinthereopenedGMplant?

47.Trafficstatisticspaintagloomypicture.Tohelpsolvetheirtrafficwoes(悲哀),somerapidlygrowingUScitieshavesimplybuiltmoreroads.Buttrafficexpertssaybuildingmoreroadsisaquick-fixsolutionthatwillnotalleviatethetrafficprobleminthelongrun.Soaringlandcosts,increasingconcernoversocialandenvironmentaldisruptionscausedbyroad-building,andthelikelihoodthatmoreroadscanonlyleadtomorecarsandtrafficarepowerfulfactorsbearingdownona1950s-style.constructionsprogram.

Thegoalofsmart-highwaytechnologyistomaketrafficsystemsworkatoptimumefficiencybytreatingtheroadandthevehiclestravelingonthemasanintegraltransportationsystem.Proponentsofthisadvancedtechnologysayelectronicdetectionsystems,closed-circuittelevisionradiocommunication,ramp(斜坡)metering,variablemessagesigning,andothersmart-highwaytechnologycannowbeusedatareasonablecosttoimprovecommunicationbetweendriversandthepeoplewhomonitortraffic.

Pathfinder,aSantaMonica,California-basedsmart-highwayprojectinwhicha14-milestretchoftheSantaMonicaFreeway,makingupwhatiscalleda"smartcorridor",isbeinginstrumentedwithburiedloopsinthepavement.Closed-circuittelevisioncamerassurveytheflowoftraffic,whilecommunicationslinkedtoproperlyequippedautomobilesadvisemotoristsoftheleastcongestedroutesordetours(便道).

Notalltrafficexperts,however,looktosmart-highwaytechnologyastheultimatesolutiontotrafficjam.Somesaythehigh-techapproachislimitedandcanonlyoffertemporarysolutionstoaseriousproblem.

"Electronicsonthehighwayaddressesjustoneaspectoftheproblem:howtoregulatetrafficmoreefficiently,"explainsMichaelRenner,seniorresearcherattheWorldwatchInstitute."Itdoesn'tdealwiththecentralproblemoftoomanycarsforroadsthatcan'tbebuiltfastenough.Itsendspeoplethewrongmessage."Theystartthinking.Yes,thereusedtobeatrafficcongestionproblem,butthat'sbeensolvednowbecausewehaveanadvancedhigh-techsysteminplace."Larsonagreesandadds,"Smarthighwaysisjustoneofthetoolsthatwewillusetodealwithourtrafficproblems.It'snotthesolutionitself,justpartofthepackage.Therearedifferentstrategies."

Othertrafficproblem-solvingoptionsbeingstudiedandexperimentedwithincludecarpooling,rapidmasstransitsystems,staggeredorflexibleworkhours,androadpricing,asystemwherebymotoristspayacertainamountforthetimetheyuseahighway.

Itseemsthatweneedanew,majorthrusttodealwiththetrafficproblemsofthenext20years.Therehastobeabigchange.

Whatistheappropriatetitleforthepassa