2022年廣東省揭陽市大學英語6級大學英語六級測試卷(含答案)

2022年廣東省揭陽市大學英語6級大學英語六級測試卷(含答案)學校:________班級:________姓名:________考號:________

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

BelowthecanopylevelofatropicalrainforestgrowsanOverabundanceofplants.

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2.Easter

EasteristhemostimportantfestivalintheChristiancalendar.ItisthecommemorationofJesus'deathandhisrisingfromthedead,alsoknownastheresurrection.ItcomesattheendofLent.TheweekleadinguptoitiscalledHolyWeek.PalmSundayisthefirstdayofHolyWeekandcelebratesJesus'arrivalinJerusalemridingonadonkey.Crowdsofpeoplecameoutofthecitytogreethim,throwingdownpalmbranchesontheroad.Manychurchesgiveoutsmallcrossesmadefrompalmleaves,asareminderofJesus'entranceintoJerusalemandhisdeathonthecross.OnThursdayChristiansrememberwhenJesusatethePassovermealwithhisdisciples,breakingbreadanddrinkingwine,whichisnowknownastheLastSupper.Sincethenthismealhasbeensymbolicallyre-enactedbymanyChristiansasawayofdrawingclosertoGod.ThisiscalledtheEucharist,whichmeans'thanksgiving'.ItisareminderthatJesussacrificedhislifeformankind.

TheBibletellsusthat,laterthatnight,JesuswasbetrayedbyJudasIscariot.Afterhisarrest,JesuswasbroughtbeforetheJewishhighpriestswhofoundhimguiltyofblasphemybecausehecalledhimselftheSonofGod.TheyhandedhimovertotheRomangovernor,PontiusPilate.AswasthecustomatthetimeoftheFeastofPassover,Pilategavethecrowdsthechoiceastowhichofthetwoprisonersshouldbefreed:Jesus,orBarrabas,anotoriouscriminal.Ironically,thesamecrowdwhohadwelcomedJesuswithpalmbranchesafewdaysearliernowchoseBarrabastobereleased,andPilatecondemnedJesustodeathbycrucifixion.OnGoodFriday,manychurcheshold3hourservicesmeditatingontheeventsleadinguptoChrist'sdeath:hisinterrogation,flogging,themockingbytheRomansoldiers,andhisjourneywiththecrosstoGolgotha,theplaceofhisdeath.Finallyhewasshippednakedandnailedtothecross,wherehehunginagonyforthreehours,jeeredatbythecrowds,beforehedied.Thisisthedaywhenpeopletraditionallyeathotcrossbuns,becausethecrossonthebunisareminderofthecrossJesusdiedon,andareminderoftheChristianbeliefthatJesusdiedtosaveusall.

EasterSundaymarksJesus'resurrection.TheBibletellsusthatMaryMagdalenewenttothetomb,followedlaterbysomeofJesus'disciples.TheydiscoveredJesus'bodyhadgoneandthatthetombwasempty.JesusthenappearedtoMaryandmanyofhisdisciples,speakingwiththemonseparateoccasionsduringthefollowingfortydays.Asheleftthemforthelasttime,JesuspromisedtosendtheHolySpiritsothediscipleswouldknowGodwouldneverleavethem.Hethenascendedintoheaven.TheChurchcelebratesthisonAscensionDay.

WhydoweeatEastereggsatEaster?

ForChristians,Eastereggssymbolizenewlife.Theybelievethat,throughhisresurrection,Jesusdefeateddeathandsinandofferspeoplethepromiseofeternallifeiftheyfollowhisteachings.ThisiswhythereisatraditionforChristianstobebaptizedatEaster,whichcelebratesnewlifeinGod.However,thefestivalofEasterstretchesbacktopre-Christiantimes,too.Itgetsitsnameandsomesymbols,includingtheEasterBunny,fromthePaganSpringEquinoxfestival,whichisacelebrationofspringandalsoofnewlife.

WherearetheaccountsofEasterintheBible?

TheaccountoftheEasterstorycanbereadinMark,Chapters14to16,orLuke,Chapters22to24,andelementsofitcanbefoundintheothergospelstoo.ManyoftheeventsintheEasterstoryareforetoldintheOldTestamentinIsaiahchapter53.

WhydoesthedateofEasterchangefromyeartoyear?

ThedateofEasterSundayvariesfromyeartoyearbecauseitisbasedonthelunarcalendar,ItiscelebratedonthefirstSundayafterthefullmoon,onorafterMarch21st.

Dorabbitslayegg

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3.

NGVsaren'tasroomyasgasolinecarsbecausetheyhavetogiveupcargoandtrunkspacetoaccommodatethe__________________.

4.Washington,D.C.

WhenyouhearpeopletalkaboutWashington,D.C.,youmaywanttoknowWhatthelettersD.C.mean.Theymean"DistrictofColumbia".Washington,thecapitalcityoftheU.S.A.,isintheDistrictofColumbia,notasyoumightexpect,intheStateofWashington.WashingtonStateisthousandsofmilesawayonthenorthwestcoast.(TherearealsoseveralothertownscalledWashingtonintheUnitedStates.)

Washington,D.C.liesbetweenVirginiaandMarylandonthePotomacRiver.It'sabout220milessouthofNewYorkCity.Thepleasantestandeasiestwaytogetthereisbylong-distancebus,orbythefast(125-miles-an-hour)trainwhichcostsalittlemorethanthebusjourneyandalittlelessthanflying.Iwouldtravelfarmorethan200milestoseeWashington.It'snotacitythathasgrownupaccidentallyasmostbigcitieshavedone.Itwascarefullyplannedasthenation'scapitalbyFrenchman,PierreL'Enfant.ThecitywasnamedafterGeorgeWashington,themuch-loved,much-admired,much-respectedfirstPresidentoftheUnitedStates.In1791hehimselfarrangedtobuythelandonwhichitstands.

Nowlet'stakeourfirstlookatthecapital.ForafewmomentsyoumayfeelyouaredreamingandthatyouhavesteppedbackthroughthecenturiesintoancientGreece.Manyofthebeautiful,shiningbuildingsarebuiltinthenoblestyle.oftheancientGreektemples,andstandinwideavenuesamidtreesandfountains.Mostofthemaremuseumsorgovernmentoffices.GovernmentisthechiefbusinessofWashington,andthechiefgovernmentbuildingiscalledtheCapitol.Withitshighdome,itlooksalittlelikeSt.Paul'sinLondonorSt.Peter'sinRome.Itstandsonahilloverlookingthecity,whichisdividedbyRockCreekPark.AlongwideavenuecalledtheMallleadstotheCapitol.Attheotherendofthisavenueatall,white,needle-likebuildingpointstothesky.Thisis,ofcourse,thehighest"needle"intheworld!—theWashingtonMonument.

OnbothsidesoftheMallaremuseumsandgovernmentbuildings.Whatasurprisethiscityis!WashingtonandNewYorkseemtobeintwodifferentworlds.Heretherearenohugeofficeskyscrapersandsoit'snotnecessarytoleanbackwardstolookupallthetime.ThenthereistheWashingtonCathedralwhichlooksverymuchlikeacathedralinanoldEuropeancity.Ofcourse,asinanyotherbigcity,partsofWashingtonarenotsopleasant.Therearenarrowdirtylittlestreetsanduglyhouses.Buttherearemanysplendidthingstoseeand,becauseWashingtoncoverssuchawidearea,theeasiestwaytoseethemistotakeaspecialsight-seeingbusora"mini-bus"or"tourmobile".Butdon'texpecttheguidesonthebusestogiveyouaveryserioustalk.

Ononetour,Iremember,theguidetoldus,"That'stheWashingtonMonument,folks(peoplehereareoftenaddressedas'folks').It'sthehighest'needle'ofitskindintheworld."Andthenheadded,"Atleast,Idon'tknowahigherone!"

ThisisthecitywhereAmericaremembersherfamousPresidents.Theguidewilltakeyoutoseethememorialstothem.TheJeffersonMemorialisaverybeautifulwhitebuildingintheshapeofacircle.Itsroofissupportedbytallcolumns.InsidestandsastatueofPresidentJefferson.TheLincolnMemorialisahugewhitebuilding.InsideyoucanseeafamousstatueofAbrahamLincoln,sittinginagreatchair.Thetheatrewherehewasmurderedwhilewatchingaplayisnowamuseum,theLincolnMuseum.ThenthereistheMemorialtoPresidentKennedyatArlington.Hereaflamewhichwaslitonthedayofhisfuneralburnsandisneverputout.LikeLincoln,Kennedywasshot.Another,newer,memorialtohimistheJohn.F.KennedyCenterforthePerformingArts,overlookingthePotomacRiver.ItisahugeplaceandcontainstheEisenhowerTheatre,anoperahouseandtheconcerthallwhichist

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5.

Thereisnotmuchchangeintheweatherinthetropicalrainforestsalltheyearround.

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6.

Whatisthebestsolutionforthosedreamers?

A.Settinggoalsandsticktothem.

B.Askingtheirfriendstoalwayswatchthem.

C.Findingoutwhattheyarereallyinterestedin.

D.Finishingthedifficulttaskfirst.

7.

Allthemigratorybirdscanfindtheirhomewiththehelpofsun,starsortheEarth'smagneticfield.

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8.

Themostimportantelementforaneconomicsystemis______.

9.

YoucangetafreecopyoftheSeptemberissueifyou______.

10.

JosephThsetanGerganservesforIndianDepartmentofScienceandTechnology.

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11.

Thedistributionofwaterresourceisaffectedbygeographical}weatherandotherconditionsinChina.

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12.

Nowadays,pharmaceuticalsalesrepshaveshortervisitswiththedoctorthanthoseinthepastbecause______.

13.EmergencyRooms

MillionsofAmericansvisitanemergencyroomeachyear.MillionsmorehaveseenthehitTVshow"ER".Thishassparkedagreatinterestinthefascinating,24-hour-a-day,non-stopworldofemergencymedicine.

Avisittotheemergencyroomcanbeastressful,scaryevent.Whyisitsoscary?Firstofall,thereisthefearofnotknowingwhatiswrongwithyou.Thereisthefearofhavingtovisitanunfamiliarplacefilledwithpeopleyouhavenevermet.Also,youmayhavetoundergoteststhatyoudonotunderstandatapacethatdiscouragesquestionsandcomprehension.

Inthisarticle,weleadyouthroughacompletebehind-the-scenestourofatypicalemergencyroom.Youwilllearnaboutthenormalflowoftrafficinanemergencyroom,thepeopleinvolvedandthespecialtechniquesusedtorespondtolife-or-deathsituations.Ifyouyourselffindtheneedtovisitanemergencyroom,thisarticlewillmakeitlessstressfulbyrevealingwhatwillhappenandwhythingshappenthewaytheydoinanemergencydepartment.

UnderstandingtheERMaze

Theclassicemergencyroomsceneinvolvesanambulancescreechingtoahalt,agurney(推送病人的活動床)hurtlingthroughthehallwayandfivepeoplefranticallyworkingtosaveaperson'slifewithonlysecondstospare.Thisdoeshappenandisnotuncommon,butthemajorityofcasesseeninatypicalemergencydepartmentaren'tquitethisdramatic.Let'slookatatypicalcasetoseehowthenormalflowofanemergencyroomworks.

Imaginethatit's2a.m.,andyou'redreamingaboutwhateveritisthatyoudreamabout.Suddenlyyouwakeupbecauseyourabdomenhurts—alot.Thisseemslikesomethingoutoftheordinary,soyoucallyourregulardoctor.Hetellsyoutogotoyourlocalhospital'semergencydepartment:Heisconcernedaboutappendicitis(闌尾炎)becauseyourpainislocatedintheright,lowerabdomen.

Whenyouarriveattheemergencydepartment,yourfirststopistriage(醫(yī)療鑒別分類).Thisistheplacewhereeachpatient'sconditionisprioritized,typicallybyanurse,intothreegeneralcategories.Thecategoriesareimmediatelylifethreatening;urgent,butnotimmediatelylifethreatening;andlessurgent.

Thiscategorizationisnecessarysothatsomeonewithalife-threateningconditionisnotkeptwaitingbecausetheyarriveafewminuteslaterthansomeonewithamoreroutineproblem.Thetriagenurserecordsyourvitalsigns(temperature,pulse,respiratoryrateandbloodpressure).Shealsogetsabriefhistoryofyourcurrentmedicalcomplaints,pastmedicalproblems,medicationsandallergiessothatshecandeterminetheappropriatetriagecategory.Hereyoufindoutthatyourtemperatureis101degreesF.

What'snext?Youneedtoregister.

Registration

Aftertriage,thenextstepisregistration—notveryexcitingandrarelyseenonTV.Heretheyobtainyourvitalstatistics.Youmayalsoprovidethemwithyourinsuranceinformation,Medicare,MedicaidorHealthMaintenanceOrganizationcard.Thisstepisnecessarytodevelopamedicalrecordsothatyourmedicalhistory,labtests,X-rays,etc.,willallbelocatedononechartthatcanbereferencedatanytime.Thebillwillalsobegeneratedfromthisinformation.

Ifthepatient'sconditionislife-threateningorifthepatientarrivesbyambulance,thisstepmaybecompletedlateratthebedside.

ExaminationRoom

Nowyouarebroughttotheexamroom.Youpromptlythrowupinthebathroom,whichmaybemoreevidenceofappendicitis.Youareseenbyanemergencydepartmentnursewhoobtainsmoredetailedinformationaboutyou.Thenursegetsyousettledintoapatientgownsothatyoucanbeexaminedproperlyandperhapsobtainsaurine(尿)specimenatthistime.

Someemergencydepartmentshavebeensubdividedintoseparat

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14.HowdidYouTuberespondtoViacom'sdemandtoremovesomeclipsfromitswebsite?

A.Itremovedthecopyright-infringingclipsfromitswebsite.

B.ItstartednegotiationswithViacomtousetheclipslegally.

C.ItlimiteditscontentsourcetoNBCandCBS'swebsites.

D.ItagreedtoshareitsadvertisingrevenueswithViacom.

15.

AlmosthalfoftheNegroslavesdiedduringthevoyagebecauseoftheterribleconditionstheyhadtoendure.

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16.Theestablishmentofthemoderncorporatestructurestarted______.

A.fromearlyseventeenthcentury

B.fromtheMiddleAges

C.underancientRomanlaw

D.fromtheendingoftheindustrialrevolution

17.

WhatthescientistslearnedatRangeCreekhasbeguntohelpthemuncoveroneofthegreatestmysteriesof______.

18.

DuringWorldWarII,moreyoungerpeopletookupsmoking.

A.YB.NC.NG

19.

Large-packagepurchasecanbenefitlow-incomehouseholdsintheory,but.itseldomworksinreality.

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20.

ToemphasizetheimportanceofthecompetitivenessofAmericanteenagers,theauthorquotestheresultsof______ofacademicachievement.

二、3.ListeningComprehension(20題)21.聽力原文：M:MissHanson,thankyouforsendingmethisnote.I'm.sorrytohearMarshaisbeingaproblem.

W:I'mnotsurewhat'shappeningtoMarsha.She'susuallyanexcellentstudent.Shecompletesallherworkandshe'squietinclass.Then,lastmonth,shejustchanged.

Q:Whatcanyouinferfromtheconversation?

(15)

A.Thewomanistheman'sboss.

B.Themanisthewoman'shusband.

C.Thewomanistheteacherofthechild.

D.Thewomanwantstoknowsomethingaboutastudent.

22.(36)

A.Thepolice.

B.Thetaxidriver.

C.Acoffeehouseowner.

D.Apersonunknown.

23.(15)

A.He'salsointerestedinAmericanliterature.

B.Hehasn'tdecidedifhewouldtaketheliteratureclass.

C.Thewomanshouldhavealreadyfinishedherpaper.

D.Thewoman'stopicmaynotbeappropriate.

24.(25)

A.Bylistingwomen'sresponsestodifferentparties.

B.Bydiscussingwomen'svotingfightsindemocracies.

C.Byquotingthepercentageofwomenofficersingovernments.

D.Bycallingforwomen'svotingfightsinherowncountry.

25.【B5】

26.(40)

27.(22)

A.Thewild.

B.Toincreasethepublic'sunderstandingofendangeredspecies.

C.Toprepareendangeredspeciesforlifeinthewild.

D.Tobreedanimalstoselltozoos.

28.聽力原文：M:Thatwasaninterestingplay.IhopeyouenjoyeditasmuchasIdid.

W:ImustadmitthatIleftforhomeafterthefirsttwenty'minutes.

Q:Whatdoesthewomanthinkoftheplay?

(15)

A.Itwasinteresting.

B.Itwasfunny.

C.Itwasboring.

D.Itwasterrible.

29.

【B5】

30.(24)

A.Thelengthofthecourse.

B.Theroutethecycliststake.

C.Thenumberofparticipants.

D.Themonthinwhichthetourisheld.

31.

【B11】

32.SectionC

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

Ifyouwanttolivelongerandlowertheriskofheartdisease,amovetothemountainsmayhelp.ResearchbyscientistsinGreeceshowsthatmountain【B1】______isgoodforthehemand【B2】______.

Peoplelivingathigher【B3】______haveloweroddsofdyingfromheartdiseasethanthoseclosertosealevel,eveniftheyhavefactorsthatcouldincreasetheirrisk.【B4】______"inmountainousareasseemstohavea【B5】______effect'fromheartdisease,"saidDr.NikosBaibasoftheUniversityofAthens.Heandhiscolleagues【B6】______thattheincreasedexercisefromwalkingupmountainous【B7】______givestheheartagood【B8】______.andenablesittocopewithlowerlevelsofoxygen.Researchersstudiedthehealthrecordsanddeathratesof1,150GreekswholivedinthreevillagesnearAthensover15years.Onevillagewas1,000metersabovesealevelandtheothertwowereinlow-lyingareas.【B9】______________________.theyhadalowerrateofdeathfromheartdiseaseandtheothercausesaftera15-yearfollow-up."【B10】__________________"Baibasaddedinhisreport.Heartdiseaseisoneoftheworld'stopkillers.【B11】___________________.

【B1】

33.【B8】

34.(32)

A.Becauseitexpandsrapidlyitsretailoperations.

B.Becauseitsqueezescompetitorsoutofthemarket.

C.Becauseitappliesmachinemorethanpeopletomakethecoffee.

D.Becauseitimpartscoffeeculture.

35.聽力原文：W:Oh,hi,Daniel.(19)Areyougoingtothein-servicegainingtoday?

M:Youbet.Imissedthetrainingsessionlastmonth,soIhavetobesuretomakethisone.Aren'tyouexcitedabouttheprogram?

W:Notreally.(19)(20)BeforeIbecameanurseIdroveanambulanceandhadalotofemergencymedicaltraining.Practicingbasicfirstaidtechniquesisakindofboringforme.

M:WellIcanunderstandthat.Butyouknow,it'samazinghowquicklyyougetoutofpractice.(21)Asnursesinahospital,wehaveallthefancyequipmentformedicalemergencies-andplentyofdoctorsaround,sowehardlyevergetachancetopracticebasictechniques.They'rereallyeasytoforget.Andyouknowthatpracticemakesperfect.

W:Icanseeyourpoint,anditneverhurtstoreviewwhatyou'realreadysupposedtoknow.Bytheway,who'steachingtheclassthistime?

M:Dr.Huston.She'sthenewemergencyroomphysician.

W:Well,shecertainlyoughttoknowwhatshe'stalkingabout.I'veheardshe'sareallygoodsurgeon.

M:That'sright.I'vebeentakingcareofsomeofthepatientssheworkedon,andtheyallthinkhighlyofher.

W:Whenareyougoingtoheadovertotheclassroom?

M:Immediately.I'mjustonmywaythere.Doyouwanttowalkovertogether?

W:Thatsoundsgoodtome.Let'sgoandprepareforthetraining.

(20)

A.Atadentistoffice.

B.Inaschool.

C.Inanambulance.

D.Atahospital.

36.聽力原文：W：Iwasahalf-hourlateforProfessorHarrison'slecturethismorning．Couldyoulendmeyournotes，Jim?

M：Sure.Butyouwon'tfindanythinginmynotes.YouknowIamalwaysabsent-mindedinhisclasses．

Q：Whatdowelearnfromtheconversation?

(17)

A.Jim'snotesarenotverygood.

B.ProfessorHarrisondoesn'tteachwell.

C.Jim'snotesaregoodforthewomantoborrow.

D.Thewomanshouldhavecometothelectureearlier.

37.聽力原文：M:WhatdoyouthinkofProfessorColin'sclass?

W:Well,hislecturesareinterestingenough,butIthinkhecouldchoosemoreappropriatequestionsforthetests.

Q:WhatdoesthewomannotlikeaboutProfessorColin'sclass?

(15)

A.Shedoesn'tlikehischoiceoftestquestions.

B.Shedoesn'tthinkheprepareswellenough.

C.Shethinkshistestsaretoolong.

D.Shethinkshislecturesareboring.

38.(28)

A.Quiteimpressive.

B.Rathermeaningless.

C.Absolutelychildish.

D.Extremelyfunny.

39.聽力原文：Yearsagobeforetherewererefrigerators,anicehousewasabuildingusedforstoringice.Thefirstteahouseswereinthecellarsoffarmhouses.Piecesofice,mixedwithsnowandmeadowgrass,werepiledinwinterandkeptuntilthefollowingsummer.Soonfarmersbegantobuildseparatehousesforstoringice.Theseicehouseshaddoublewallswithbaystuffedbetweentokeepoutanyheat.Blocksoficewereputinsidetheicehouseandpackedwithstraworsawdust.

Wheredidtheicefortheseicehousescomefrom?Workerstookitfromafrozenpondorriver.Theysawedtheiceintoevenblocks.Thentheypulledtheiceblocksfromthewaterwithbooksandcarriedthemtotheicehousesonsleds.

Specialtoolshelpedtheworkerscutmadhandletheice.Iceaxeschoppedlargeholesintheice.Icesawscuttheiceintoevenblocks.Choppersloosenedtheseblocksfromoneanother.Icehooksfastenedthemselvesintothelargeblocks.Thentheycouldbecarriedoverthefrozensurfaceofthepondorriver.Tongswereusedtopickupthesmallerblocksofice.

Shipscarriediceallovertheworld.In1799thetintboatloadintheUnitedStateswassentfromNewYorkCitytoicehousesinNewOrleans,Louisiana.AboatloadwassentfromBoston,Massachusetts,totheWestIndiestohelpfightyellowfeverin1805.IcemerchantsinBostonalsoshippedtonsoficefrompondsandriverstocitiesinEurope.

(30)

A.Separatehouseswerebuiltforstoringice.

B.Doublewallswerebuiltinicehousestokeepcool.

C.Blocksoficewerepackedwithhayinicehouses.

D.icewasputintoicehousesinwinter.

40.

【B2】

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

Whichwordhasthesimilarmeaningto"irritant"inParagraph3?

A.disagreementB.misunderstandingC.annoyanceD.interference

42.

Nowadaysademandforthisspecializedtypeofservicehasbeencreatedbecause______.

43.

Accordingtothepassage,ascomparedwithtelevisedspeeches,traditionalpoliticaldiscoursewasmoresuccessfulin______.

A.allowingnewscoverageofpoliticalcandidates

B.makingpoliticsseemmoreintimatetothecitizen

C.placingpoliticalissueswithinahistoricalcontext

D.providingdetailedinformationonthecandidate'sprivatebehavior

44.

Thetitlebelowthatbestexpressestheideasofthepassageis______.

A.TechnicalProgress

B.Man'sDistinguishingCharacteristics

C.LearningforItsOwnSake

D.TheDifferenceBetweenScienceandPhilosophy

45.

Howdoesthepolygraphwork?

46.

WhatdidRooseveltsayinhisspeechinChicago?

47.IfyouliveinacityinNorthAmericaorEurope,youhaveprobablyneverthoughtmuchaboutwater.Wheneveryouneedsome,youturnonthetapandthereitis.Millionsofpeopleinotherpartsoftheworldarenotsolucky.Theyhavetroublegettingenoughcleanwaterfortheirbasicneeds.Thissituationmaysoonbecomecommonallaroundtheworld,scientistsbelieve.Infact,theysaythatthelackofcleanwatermaybeoneofthebiggestissuesinthetwenty-firstcentury.

Thereasonsforthisareclear.Ontheonehand.peopleareusingmorewaterthaneverbefore.Overthelastfiftyyears,thepopulationoftheworldhasmorethandoubled.Ontheotherhand,manysourcesofsurfacewatersuchasrivers,lakes,andstreamsaretoopollutedandunhealthyforuseasdrinkingwater.

Thishasforcedmoreandmorepeopletodrillwellssotheycangetwaterform.underground.Thereareenormousamountsofwaterdeepundergroundinlakescalledaquifers.Untilrecently,scientistsbelievedthisundergroundwaterwassafefrompollution.Then,inthe1980s.peopleintheUnitedStatesbegantofindchemicalsintheirwellwater,andscientiststookacloserlookatwhatwashappening.WeldonSpring,Missouri,forexample,wasthesiteofabombfactoryduringWorldWarⅡ.Thefactorywasdestroyedafterthewar.butpoisonouschemicalsremainedontheground.Veryslowly,thesechemicalsdrippeddownthroughthegroundandintotheaquifer.Oncetheydid,however,thewaterform.thataquiferwasnolongerdrinkable.

Itprobablyneverwillbedrinkableagain,Undergroundwaterisnotrenewedregularlybytherain,likelakeorriverwater.Thus,ifaharmfulchemicalgetsintoanaquifer,itwillstaythereforaverylongtime.Furthermore,itisnearlyimp6ssibletoremoveallthewaterinanaquiferandcleanoutthepollutants.

IndustrialsiteslikeWeldonSpringareonecauseofundergroundwaterpollution.TherearethousandsofsuchsitesintheUnitedStatesalone,andmanyothersaroundtheworld.Undergroundwaterpollutionisalsocausedbymodernfarmingmethods,whichrequiretheuseoflargeamountsofchemicalsinthefields.Andfinally,yetanotherimportantcauseofundergroundwaterpollutioniswaste.Thatincludessolidwastethrownawayindumpsandlandfills,andalsountreatedhumanandanimalwaste.

Thesituationisindeedveryserious.Fortunately,therearemanyaquifersandtheyareverylarge.Onlyasmallnumberhavebeenseriouslydamagedsofar.Butiftheworlddoesnotwanttogothirstyinthenearfuture,furtherpollutionmustbeprevented.Aroundtheworld,governmentsmustmakerealchangesinindustry,agriculture,andwastedisposal.

Thispassageismainlyabout______.

A.pollutionproblemsingeneral

B.peopleinNorthAmericaorEuropearelivinghappierthanthoseinotherparts

C.peopledrillingwellstocheckchemicalsinwellwater

D.undergroundwaterpollution

48.

Whatdoesthelastparagraphindicate?

A.Source-codeshouldn'tbefirmlycontrolled.

B.Thesoftwaremarketistendingtobediversified.

C.Microsoftwillreleasemoresource-code.

D.Softwaremarketiscontracting.

49.

InPara.3,theconceptof"wiredcities"isrevivedbecause______.

A.personalcomputersbecomeeasilyavailabletomorepeople

B.theInternethasfoundextensiveapplications

C.thenumberofonlineconsumersandcompaniesisontherise

D.e-mallshavereplacedlettersasthedominantmessageofcommunication

50.

Towriteoutthehumangenomeonpaperwouldrequire______books.

51.SectionB

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

TheFoodandDragAdministrationsaidonWednesdaythatitistryingtotrackdownasmanyas386pigletsthatmayhavebeengeneticallyengineeredandwrongfullysoldintotheU.S.foodsupply.

ThefocusoftheFDAinvestigationisonpigsraisedbyresearchersattheUniversityofIllinoisinUrbanaChampaign.Theyengineeredtheanimalswithtwogenes:oneisacowgenethatincreasesmilkproductioninthesow;theother,asyntheticgene,makesthemilkeasierforpigletstodigest.Thegoalwastoraisebigg