2022年湖南省永州市大学英语6级大学英语六级真题(含答案)

2022年湖南省永州市大学英语6级大学英语六级真题(含答案)学校:________班级:________姓名:________考号:________

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

ItlooksasifthatpeopleinAmericaareproudof______.

2.TheancientOlympicgamesdisplayedachievementsinarchitecture,mathematics,sculptureandpoetrybe,sides______.

3.

In1998,Nikolic-Jaricfailedherthesisprojectbecauseof______

A.herhusband'sdeath

B.herownhaste

C.herdiscouragement

D.hernewapproach

4.

Tobabiesfrombirthtosixmonthsofage,thepreferredfoodis______asitcontainsmanyprotectiveandimmunologicalfactors.

5.

Suchtricksasrobbanks,orsolicitbribes,orestablishamonopolyaccountfortherootcauseofvariationinincome.

A.YB.NC.NG

6.

InApril1995,makesthe______.

7.

Newdrugsusuallyarenottestedonthepeoplewhoare______

8.

BypretendingtobeaMartian,wemay______.

A.feelrelaxedandinterestedinsolvingtheproblem

B.findawayouttoescapetheproblemtemporarily

C.avoidstereotypesandseetheproblemfromafreshangle

D.findoutthesignificanceofimagination

9.

TheHeartCenterwarnpublic,____________________concerningtheamountofchocolateconsuming.

10.

Besidesthewayofthreadinganultrathinwirewithblood-flowsensors,anothernoninvasivewayofdetectingmicro-vasculardiseaseistouse______.

11.

Comparedtogasoline-poweredcars,thenatural-gasvehiclespossesstheunparalleledbenefitof______.

A.reductionincarbonmonoxideemissions

B.reductioninemissionsofoxidesofnitrogen

C.reductioninparticulatematter10

D.reductioninenvironmentallyharmfulemissions

12.

______aretheplacesthatepidemicsinitiallybreakoutforthemostcases.

13.

NGOcommunityisoftentheonlyavailablesourceofsupportfortheinternallydisplacedthoughtheassistanceisinadequatefor______.

14.

Thevillagegrocer'sassistantsaretiredofgivingextraservicewhentheyfeelaboutit.

A.YB.NC.NG

15.

Singaporeansbelievethatalackof______-speakingskillsisadisadvantageinthe21stcentury.

16.

Theresultsofcensushavealwaysbeenthecompromiseofcertaingroupsofinterest.

A.YB.NC.NG

17.

BlayWhitbypointedoutthatpeopleonlybegantobeawareofthesafetyissue______.

A.whenhouseholdrobotswereinvented

B.whenrobotswereinwideuse

C.aftersomegraveaccidents

D.tenyearsorsoago

18.Whenreservingahotelroomwithyourcheckcard,youhavetodecidehowmuchmoneyinyouraccounthastobeonhold.

19.

Waterresourcesareconcentratedin______ofChina.

20.

Overfishing,pollution,andalterationoftheenvironmentare______tothefinitefishesresouce.

二、3.ListeningComprehension(20题)21.(25)

A.TansPueblo.B.Apache.C.Navajo.D.Ute.

22.(21)

A.ItisaChineserestaurant.

B.Itservesfoodataninexpensiveprice.

C.Theenvironmentisquitegood.

D.Theportionsaresmallerbuttheflavorisgreat.

23.听力原文：W:Ihavetothinkaboutyouroffer.Ican'tsay"yes"or"no"atthemoment.

M:Youtakeyourtime.Itwilldoifyouletmeknowyourdecisioninadayortwo.

Q:Whichofthefollowingistrue?

(19)

A.Themanthinksthewomaniswastinghertime.

B.Themanthinksthewomanshouldmakefulluseofhertime.

C.Themaniseagertoknowthewoman'sanswer.

D.Themancanwaitandthereisnoneedforhertohurry.

24.【B10】

25.(44)

26.【B7】

27.听力原文：M:Wouldyouconductthemeetingformethisafternoon?

W:IwouldffIcould,butIcan't.IhavetoleaveforChicagoonbusinessthisafternoonandwillnotbebackuntilnextweek.

Q:Whatdidthewomansay?

(13)

A.Shewouldn'tminddoingitifshecould.

B.Shewishedshehadn'thadthemeeting.

C.Shedidn'twanttobecauseshewouldrathergotoChicago.

D.wouldbeabletohavethemeeting.

28.听力原文：W:CanIhavebreakfastinmyroom?AndIwanttoknowsomethingaboutyourservicetime.

M:Certainly,madam.Breakfastisservedinyourroomfrom7o'clockuntil10.Hereisthemenu.

W:Ok,Thankyouverymuch.Well,I'mafraidthatI'dliketohavetheContinentalBreakfast.

M:Yes,madam.Andatwhattimewouldyoulikeit?

W:Abouthalfpasteight,Ithink.Yes,halfpasteight.

M:8:30.Ok,verygood,dearmadam.Andwhatkindoftraitjuicewouldyoulike?Wehavepineapple,orange,grapefruitaswellassomeotherfruits.

W:IthinkI'dlikethepineappleplease.

M:Pineapplejuice.Andwouldyoupreferteaorcoffee?

W:Coffeeplease.

M:Thankyouverymuch.Goodnight.(At8:30thenextmorning,thereisalighttapatthedoor.)

W:Yes.Comein.

M:I'vebroughtyouyourbreakfast,madam.

W:Ohyes.Thankyou.Couldyouputitonthedeskoverthereplease?

M:ShallIpouryouacupofcoffeestraightaway,madam?

W:No,thanks,I'llpouritmyselfinaminute.

M:Isthereanythingelse,madam?

W:No,no,Idon'tthinkso,oh,youarenottheoneImetyesterday,right?But,anyway,thankyouverymuchforyourhelp.

(20)

A.Threehourandahalf.

B.Thirtyminutes.

C.Fourhours.

D.180minutes.

29.

【B5】

30.SectionB

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

听力原文：Afewmonthsago,millionsofpeopleinLondonheardalarmsalloverthetown.Emergencyservices,thefiredepartment,thepolice,hospitalsandambulancesstoodby,readytogointoaction.Inrailwayandundergroundstations,peoplereadnoticesandmaps,whichtoldthemwheretogoandwhattodointheemergency.ThiswasExerciseFloodcalltopreparepeopleforafloodemergency.Londonwasn'tfloodedyet.Butitispossiblethatitcouldbe.

In1236and1663Londonwasbadlyflooded.In1928peoplelivinginWestminster,theheartofLondon,drownedinfloods.Andin1953,ahundredpeoplelivingontheeasternedgeoftheLondonsuburbswerekilled–again,inthefloods.Atlast,GreaterLondonCounciltookactiontopreventthisdisasterfromhappeningagain.Thoughafloodwallwasbuiltinthe1980s,Londonersstillmustbepreparedforthepossibledisaster.Ifithappens,fiftyundergroundstationswillbeunderwater.Electricity,gasandphoneserviceswillbeoutofaction.Roadswillbedrowned.ItwillbeimpossibletocrossanyofthebridgesbetweenNorthandSouthLondon.Imagine–LondonwilllooklikethefamousItaliancity,Venice.

ButthisExerciseFloodcalldidn'tcausepanicamongLondoners.Mostpeopleknewitwasjustawarning.Oneladysaid,"It'safloodwarning,isn'tit?Thewaterdoesn'tlookhightome.”

(27)

A.OneofthebridgesbetweenNorthandSouthLondoncollapsed.

B.TheheartofLondonwasflooded.

C.Anemergencyexercisewasconducted.

D.Ahundredpeopleinthesuburbsweredrowned.

31.

【B10】

32.(26)

A.Shethinkstheyareimpractical.

B.Shethinkstheyareusefulbuttooexpensive.

C.Shethinkstheyarefeasible.

D.Shethinkstheyarenotinstructiveenough.

33.SectionB

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

听力原文：Everypersonusesitsownspecialwordstodescribethingsandexpressideas.Someoftheseexpressionsarecommonlyusedformanyyears.Othersarepopularforjustashorttime.OnesuchAmericanexpressionis"Where'sthebeef?"Itisusedwhensomethingisnotasgoodasitissaidtobe.Intheearly1980s,"Where'sthebeef?"wasoneofthemostpopularexpressionsintheUnitedStates.Itseemedasifeveryonewasusingitallthetime.

Beef,ofcourse,isthemeatfromacow,andprobablynofoodismorepopularinAmericathanthehamburgermadefrombeef.Inthe1960sabusinessmannamedRayKrocbeganbuildingsmallrestaurantsthatsoldhamburgersatalowprice.Kroccalledhisrestaurant"McDonald's".Kroccookedhamburgersquicklysopeopleinahurrycouldbuyandeatthemwithoutwaiting.Bytheendofthe1960stheMcDonald'sCompanywassellinghamburgersinhundredsofrestaurantsfromCaliforniatoMaine.Notsurprisingly,RayKrocbecameoneoftherichestbusinessmeninAmerica.

Otherbusinesspeoplewatchedhissuccess.Someofthemopenedtheirownhamburgerrestaurants.Onecompany,called"Wendy's",begantocompetewithMcDonald's.Wendy'ssaiditshamburgerswerebiggerthanthosesoldbyMcDonald'soranyoneelse.TheWendy'sCompanycreated.theexpression"Where'sthebeef?"tomakepeoplebelievethatWendy'shamburgerswerethebiggest.Itproducedatelevisionadvertisementtosellthisidea.TheWendy'stelevisionadvertisementshowedthreeoldwomeneatinghamburgers.Thebreadthatcoveredthemeatwasverybig,butinsidetherewasonlyatinybitofmeat."Where'sthebeef?"Sheshoutedinafunnyvoice.TheseadvertisementsforWendy'shamburgerrestaurantswereasuccessfromthefirstdaytheyappearedontelevision.Aswesaid,itseemedeveryonebeganusingtheexpression"Where'sthebeef?"

(27)

A.Thebeefislost.

B.Somethingisnotasgoodasdescribed.

C.Thebeefisnotasgoodasitissaidtobe.

D.Thefoodhasturnedbad.

34.

【B2】

35.

【B4】

36.SectionA

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

听力原文：M:Icouldn'tputupwithmywifeanylonger.Idon'tknowwhysheusuallywantstolookateverythinginsuchanegativeway.

W:Maybeyoushouldtrytogettoknowsomethingaboutherchildhood.

Q:Whatdoesthewomanmean?

(12)

A.Themanshouldtrytobemoreunderstanding,

B.Theman'swifeshouldbemoreunderstanding.

C.Theman'snegativeattitudemaybederivedfromhischildhood.

D.Thepessimismoftheman'swifemaybetheresultofherpastexperiences.

37.听力原文：M:HowoftencanItakethem?

W:Everyfourhours.Theymaycausesomedrowsiness,sobecarefulnottodrive.

Q:Whatistherelationshipbetweenthemanandthewoman?

(16)

A.Deliveryservicemanageranddriver.

B.Teacherandstudent.

C.Lawyerandclient.

D.Doctorandpatient.

38.听力原文：W:Haveyouheardabouttheplanecrashyesterday?Itcausedahundredandtwentydeaths.Iamneverateasewhentakingaflight.

M:Thoughweoftenhearaboutaircrashesandseriouscasualties,flyingisoneofthesafestwaystotravel.

Q:Whatdowelearnfromthisconversation?

(18)

A.Themanthinkstravelingbyairisquitesafe.

B.Thewomannevertravelsbyplane.

C.Bothspeakersfeelnervouswhenflying.

D.Thespeakersfeelsadabouttheseriouslossoflife.

39.(42)

40.

【B7】

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

A.howtoavoidnaggingfamilymembers

B.howtosilencegossipingfriends

C.howtomakeaharmlessrevenge

D.howtodealwithbothersomecoworkers

42.Howdoesacarreactatfirsttothecodesignalofanelectroniccarkey?

43.SectionA

Directions:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.Pleasemarkthecorrespondingletterforeachitemwithasinglelinethroughthecenter.Youmaynotuseanyofthewordsinthebankmorethanonce.

TheUnitedStatescourtsystem,aspartofthefederalsystemofgovernment,is【C1】______bydualhierarchies;therearebothstateandfederalcourts.Eachstatehasitsownsystemofcourts,【C2】______ofcivilandcriminaltrialcourts,sometimesintermediatecourtsofappeal,andastatesupremecourt.Thefederalcourtsystem【C3】______ofaseriesoftrialcourtsserving【C4】______smallgeographicregions,atierofcircuitcourtsofappealthathearappealsfrommanydistrictcourtsinaparticular【C5】______region,andtheSupremeCourtoftheUnitedStates.Thetwocourtsystemsaretosome【C6】______overlapping,inthatcertainkindsofdisputesmaybeinitiatedineithersystem.Theyarealsotosomeextenthierarchical,forthedeferralsystemstands【C7】______thestatesysteminthoselitigants(诉讼当事人)wholosetheircasesinthestatesupremecourtmayappealtheircasestotheSupremeCourtoftileUnitedStates.Thus,thetypicalcourtcasebeginsina【C8】______courtacourtofgeneraljurisdictioninthestateorfederalsystem.Mostcasestonofurtherthanthetrialcourt:forexample,thecriminaldefendantisconvictedand【C9】______bythecourt.Andthepartiesleavethecourtsystem.Butsometimesthelosingpartyatthetrialcourtcaresenoughaboutthecausethatthematterdoesnotendthere.Inthesecases,the"loser"atthetrialcourtmay【C10】______tothenexthighercourt.

A)consistsE)aboveI)extentM)badly

B)geographicF)trialJ)relativelyN)splendor

C)composedG)characterizedK)safelyO)sentenced

D)withinH)successfullyL)appeal

【C1】

44.SectionB

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

Whatissportsviolence?Thedistinctionbetweenunacceptableviciousnessandagame'snormalrough-and-tumbleisimpossibletomake,andsotheargumentruns.Thispositionmayappealtoourinclinationforlegalism,butthetruthismostofusknowquitewellwhenanactofneedlesssavageryhasbeencommitted,andsportsarelittledifferentfromcountlessotheractivitiesoflife.Thedistinctionisasapparentasthatbetweenadeliberatelyaimedblowandthearmfailingofthelosinghisbalance.Whenaplayerballshishandintoafist,whenhedriveshishelmetintoanunsuspectingopponentinshortswhenhecrossestheboundarybetweenplayinghardandplayingtohurt--hecanonlyintendanactofviolence.

Admittedly,violentactsinsportsaredifficulttopolice.Buthere,too,wefindreflectedtheconditionsofeverydaylife.Ambiguitiesinthelaw,confusionatthescene,andthereluctanceofwitnessescloudalmostanyroutineassaultcase.Suchuncertainties,however,havenotpreventedsocietyfromarrestingpeoplewhostriketheirfellowcitizensonthestreets.

Perhapsourtroublesstemnotfromthegamesweplaybutratherfromhowweplaythem.The1979meetingbetweenhockeystarsfromtheSovietUnionandtheNationalHockeyLeagueprovidedadirecttestoftwoapproachestosport--theemphasisonskill,grace,andfinessebytheRussiansandthestressonbrutalityandviolencebytheNHL.Inastartlingupset,theRussiansembarrassedtheirrough-playingopponentsandexplodedalong-standingmyth:thatsuccessincertainsportsrequiresexcessiveviolence.

Violenceapologistscitetwoadditionalarguments.Firsttheysay,sportsalwayshavebeenviolent;todaythingsarenodifferent.ButargumentsinAmerica'sOldWestweresettledonMainStreetwithsixguns,andearlycave-dwellerschosetheirwomenwithaclub.Civilizinginfluencesendedthosepracticesyetwearetoldsportsviolenceshouldbetolerated.Thesecondcontentionisthatathletesacceptriskaspartofthegame,and,inthecaseofprofessional,arepaidhandsomelytodoso.Butcananyoneseriouslyarguethatbeinganathleteshouldrequiretheacceptanceofunnecessaryphysicalabuse?And,exaggeratedasitmayseemthepayofprofessionalathletespresumablereflectstheirabilities,notapaymentagainstcombatinjuries.

"Clearlyweareindeeptrouble,"saysperplexedformerfootballplayerA1DeRogatis."Buthowandwhyhagitgottensobad?"

Accordingtotheauthor,thedistinctionbetweenviolentactsandnonviolentonesinsportsis______.

A.impossibletomake

B.notveryclearinanycircumstances

C.tooobvioustoescapeobservation

D.notverydifficulttomakeifenoughattentionispaidto

45.

WhyshouldtherooftopgardenbebuiltonthetopofCityHallotherthanonanyotherbuildings?

A.BecausetheCityHallislarge.

B.Becausethemayorhadurgedtheenvironmentaldepartmenttodoso.

C.Becauseitcanmakepeopleunderstandtheirimpactonenvironmentbetterthroughapublicbuilding.

D.BecausetheexpertsjustwanttomaketheCityHallaconvenientlaboratory.

46.SectionB

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

In1951,Timemagazinesetouttopaintaportraitofthenation'syouth,thosebornintotheGreatDepression.ItdoomedthemastheSilentGeneration,andagenerallydulllot:cautiousandobedient,uninterestedinstrikingoutinnewdirectionsorshapingthegreatissuesoftheday—theoutwardlyefficienttypeswhoseinneragoniesthenovel"RevolutionaryRoad"wouldanalyzeadecadelater.

"Youth'sambitionshaveshrunk,"themagazinedeclared."FewyoungsterstodaywanttominediamondsinSouthAfrica,ranchinParaguay,climbMountEverest,findacureforcancer,sailaroundtheworldorbuildanindustrialempire.Somewouldliketoownasmall,independentbusiness,butmostwantagoodjobwithabigfirm,andwithit,akindofsuburbanidyll(田园活)."Theyoungsoldier"lacksflame,"studentswere"docilenotetakers."Andtheyoungwriter'stalent"sometimesturnsouttobenothingmorethanabyproductofhisnervousdisposition."

"ThebestthingthatcanbesaidforAmericanyouth,inoroutofuniform,isthatithaslearnedthatitmusttrytomakethebestofabadanddifficultjob,whetherthatjobislife,war,orboth,"Timeconcluded."Thegenerationwhichhasbeencalledtheoldestyounggenerationintheworldhasachievedacertainmaturity."

Todayweareinarecessionthedepthanddurationofwhichareunknown;Friday'sjoblossfigureswerejustthelatestsuggestionthatitcouldwellbeprolongedandprofoundratherthanshorterandshallower.

SowhatoftheyouthshapedbywhatsomearealreadycallingtheGreatRecession?Willapublicationlookingbackfrom2030damnthemwithsuchfaintpraise?Willtheymarry,younger，besatisfiedwithstablebutlessexcitingjobs?Willtheirchildrenmockthemforreusingteabagsandcountingpenniesasifthispaycheckwerethelast?Attheveryleast,theywilldealwithtremendousinstability,justastheirDepressionforebearsdid.

"The'30schallengedthewholeideaoftheAmericandream,theideaofopeneconomicpossibilities,''saidMorrisDickstein,anEnglishprofessorattheGraduateCenteroftheCityUniversityofNewYork."Theversionyougetofthattodayisthelossofconfidenceonthepartofbothparentandchildrenthatlifeinthenextgenerationwillinevitablybebetter."

Howtoday'syoungwillbeaffected10,20or40yearsonwilldependonmanythings.Ifhistory.isanyguide,whatwillmattermostiswherethisrecessiongenerationisinthehistoricalprocess.

Whatdidthenovel"RevolutionaryRoad"analyze?

A.TheinnerpainoftheSilentGeneration.

B.ThepersonalityoftheSilentGeneration.

C.Thecharacteristicsoftheefficientpeople.

D.TheimpactoftheDepressionontheyouth.

47.

Istheneedforlovetosurvivetemporary?

48.Advertisementsareaimedatpeoplesufferingfrommildcomplaintsbecause______.

A.theyoftenwatchadsonTV

B.theyaremorelikelytobuythedrugsadvertised

C.theygenerallyleadasedentarylife

D.theydon'ttaketosportsandeasilycatchcolds

49.

Anewtendencyisdemographicchangeisthat______.

A.lifeexpectancyhasbeengoingupsteadily

B.thereisadeclineoftheyoungpopulation

C.inAmericathebirthratehasgoneabovereplacementlevel

D.theoldpopulationhasrisensharplyinUSA

50.

WhatissaidaboutthecleanupandgiveawayprograminGainesvilleinthepassage?

A.Theworkingmembersweresentbythelocalgovernment.

B.Theworkingmemberscollectedfromthestudentswhatevertheydidn'tneed.

C.Itsetagoodexampleforsuchprogramsinothercommunities.

D.Peoplewerepersuadedtotakethedonateditemsandreusethem.

51.Whetherpeoplecanhearselectivesoundsamidnoisedependsontheirabilityto______.

A.neglecttheinfluenceofthenoise

B.rememberthemeaningofthesounds

C.maketheassociatedbrainwavepatterns

D.tellmusicalsoundsfromspokenones

52.

Bysayingthat"Cokehashardlybeensittingonitsthumbs",theauthormeansthat______.

A.itisimpossibleforCoketobeindifferenttothesituation

B.itisdifficultforCoketogetoutofthefailuresandreversethesituation

C.Cokecan'tbethebestforeveranditislosingitssharetoPepsi

D.Cokehasrealizedthatitshouldlearnfromotherstoimproveitself

53.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

ThevastexpanseoftheUnitedStatesofAmericastretchesfromtheheavilyindustrialized,metropolitanAtlanticseaboardacrosstherichflatfarmsofthecentralplains,overtheRockyMountainstothefertilewestcoast,thenhalfwayacrossthePacifictothebalmy(温和的)islandstateofHawaii.TheAmericansceneawestheviewerwithbothitsvarietyandsize.ThecontinentalUnitedStates(notcountingoutlyingAlaskaandHawaii)measures,4,500kilometersfromitsAtlantictoPacificcoasts,2,575kilometersfromCanadatoMexico.Theentirenation(all50states)coversanareaof9millionsquarekilometersandhasapopulationof220millionpeople.

Thesparselysettled,far-northernstateofAlaskaisthelargestofAmerica's50states.ItismorethantwoandahalftimesthesizeofSichuanprovince.Texas,inthesouthernpartofthecountry,issecondinsize.TexasishalfthesizeofAlaska.

Alandofheavyforests(311millionhectares)andbarrendeserts,ofhigh-peakedmountainsanddeepcanyons,Americaalsoenjoysbountifulriversandlakes.ThebroadMississippiRiversystem,famedinsongandlegend,meanders6,400161ometersfromCanadatotheGulfofMexicotheworld'sthirdlongestriveraftertheNileandAmazon.AcanalinthenorthjointheMississippitothefiveGreatLakestheworld'slargestinlandwatertransportationrouteandthebiggestbodyoffreshwaterintheworld.

America'searlysettlerswereattractedbythefertilelandandvariedclimatesitofferedforfarming.Today,with121millionhectaresundercultivation,Americanfarmersplantspringwheatonthecoldwesternplain;theyraisecornandfinebeefcattleinthecentralplains,andriceinthedampheatofLouisiana.FloridaandCaliforniaarefamousfortheircitrusfruitsandtropicalavocados;thecoolrainynortheasternstatesforapples,pears,berriesandvegetables.

Americahaslongbeenknownasa"meltingpot",foritisanationofimmigrantsfromallovertheworld.Europe,themajorsourceofimmigrants,begansendingcoloniststoAmericaintheearly17acentury.TensofmillionsfloodedtoAmerica'sshoresfromEuropebetween1880andtheFirstWorldWar.ThenextlargestgroupofAmericanstracetheirancestrytoAfrica,blackpeoplenowconstituteover11percentofthepopulation.Themeltingpothasalsoabsorbednearly600,000Japanese,halfamillionChineseand340,000Filipinos.ManyliveinHawaii,morethantwo-thirdsofwhosepeopleboastonAsianorPolynesianheritage.

ThevisitorswillbeinaweofAmericanlandscapeforits______.

54.

Althoughthegreenmovementisstillinitsearlyage.ithasbeen______.

55.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

Informationabouttigersharksisrareinbookssomostofthispaperaboutsharkswillbeingeneral.TheTigerSharks'LatinnameisGaleocerdoCuvier.Sharksareamemberofthefishfamily.Thereareover350speciesofsharks.Sharkscanbeasbigas49feetlong(whaleshark)andasshortas6inches(cigarshark).Sharks'bodiesdonothavebones,buthavecartilage(软骨)instead.Theyhavepointedheadswithfivegills(鳃)behindit.Sharkshaveverysharpteeththatarereplacedwhenevertheyloseteeth.Sharks'skincanbereddishbrown,bronze,metallicblueornearlyblack,althoughmostofthemaregray.Somehavespots,bandsandmarbling.Theirskinisleathery(粗糙)andcoveredwithsmallpointedscales(鳞)whicharesosharpthatifpettedintheoppositedirectioncanactuallyhurtyourhand.

Sharkshavegreatsenses.Theireyesaresensitiveandcanevenseeindimlight.Theirsenseofsmellisoutstanding.Theyalsohavesensesthathumansdonot.Sharkscanfeelwhenotherthingsarearoundthem.Also,theyhaveorgansontheirsnouts(鼻子)whichtellthemwhenotherfisharearound.Sharksareknowntoeateverycreatureintheseaincludingtheirownkind.Somesharkseatonlyplantsandplankton(浮游生物).Otherspreferlivefood.Peoplehavefoundveryunusualthingsinsharks'stomachssuchashoovesofcows,horses,dogs,cats,goatsandhumancorpses.

Unlikebonyfishwhichlayhundredsofeggsatonetime,sharks'littersaremuchsmaller.Somesharkshaveasfewastwooffspringatatime.Bonyfishbabiesarebornsmallandpuny.Shark"pups"arebornfullydevelopedandarereadytoeatthefoodsthatfull-grownsharkseat.

Someofsharks'behavior.isinterestingandunderstood.Otherbehaviorsarestillmysterious.Forexample,sharksattackwhentheyarehungry.Butwhytheyattackwhentheyarenothungry,wedonotknow.Theymayattackfordefense,becausetheythinkhumansarefood,becausetheysmellbloodorbecausetheysmellorsensechemicalsthatareinterestingtothem.Whilepeoplemaythinkthatallsharksaredangerous,onlyabout30speciesareconsidereddangerous,includingtheTigerShark.Evenwhensharksdoattack,thevictimsusuallydonotdieanyway.

Sharksarefoundinalloftheworld'soceansalthoughmostofthemprefertoliveintropicalwaters.Averyfewspeciesliveinwatersascoldasthe