2022年黑龍江省伊春市大學(xué)英語6級(jí)大學(xué)英語六級(jí)模擬考試(含答案)

2022年黑龍江省伊春市大學(xué)英語6級(jí)大學(xué)英語六級(jí)模擬考試(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

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

Theauthorsupportshisbeliefinthe"consequences"ofparentalpressureby______.

2.

Overathree-yearperiod,thepolicytoinstalltaughenedglassinstorefrontshasresuitedin______.

3.Whensleddogsgetsufficientcarefromtheowner,theyusually______.

A.fightwithotherdogs

B.aretooheavytorun

C.arefriendlyandgentle

D.developreliabilityontheowner

4.

GrowingGMcropsisinitially______butcheaperinthelongrun.

5.

Emergencyoperatorscanidentifythepreciselocationofcell-phonecallersthroughGPSsystemswiththeuseof______.

6.

Beforesigningthelease,youneedtomakesureitincludesthestatementthatyoucan______ifyouwishtodoso.

7.

AccordingtoBoese,manypeoplebelievedthereportofSwissspaghettiharvestbecausetheBritishdidnotknow______.

8.

Itfoundthatincreasesinairpollutiontendedto______.

9.

AccordingtotheUSDA,______tendtobereducedinorganicfoodproduction.

10.

Educationhaschangedenough,soitwillnotchangedanymore.

A.YB.NC.NG

11.

______becamethefirstparliamentintheworldtosuspendprivateprofitmakingintheuseofwater.

12.Married,WithMoney

Youfightoverfinances,right?Here'showtokeepthecash-andthepassion.

BrianGreenbergisacollegefinancialplanner,butonarecentmorninghefeltmorelikeamarriagecounselor.Thecouplesittinginhisoffice,nearCherryHill,NewJersey,wasseekingadviceaboutapplyingforfinancialaidfortheman'ssonfromapreviousmarriage."Whentheywalkedin,"Greenbergrecalls,"Icouldfeelthehostility."

Theincomefromthewife'sbusiness,whichshehadstartedbeforetheymarried,wasmodest,butitwasjustenoughtolimittheamountofaidthesoncouldreceive.Thehusbandwantedhertoincorporatetoreducetheirincome,therebyallowingthesontoqualifyformoreaid.Shedidn'twanttogothroughthecomplicatedincorporationprocess,butfeltpressuredbyherhusband."Hewassaying,'I'mentitledtodowhatIwantbecauseI'mmakingthemoneythatpaysthebills,'"recallsGreenberg."Thatkindofthinkingunderminesarelationship."

Muchofthistypeofanimosity(仇恨)canbeavoidedifonlycoupleswouldtalkaboutmoneybeforetheygetmarried,saysMaryClaireAllvine,acertifiedfinancialplannerinChicagoandAtlantaandco-authorofThe7MostImportantMoneyDecisionsYou'llEverMake.Withoutthistalk,it'sunlikelythatcoupleshaveanactualplanfortheirlivestogether.

StudieshaveshownthatdisagreementsovermoneyaretheNo.1causeoffrictioninamarriage.Andforsome,they'retheNo.1reasonfordivorce.

Sowhycansomecouplesweatherfinancialupsanddownswhileotherssplitoverahouseholdbudget?Thekeytosuccessistofindthecommonground-thesharedvaluesabouthow,aspartners,youwanttoliveyourlivestogether.Herearesometipsforexecutingamoneyplanwithoutlosingthepassion.

Thinkbigandputitinbuckets.Aftercoupleshavepaidtheirfixedexpenses,theyoftenfindthemselvesdisagreeingoverhowtospendwhat'sleft-payoffthecreditcardsorgetthatHDTVoneofthemhasbeencraving.

Toavoidsuchclashes,talkaboutyourdreams.Allvine'sresearchsayscoupleswhodon'tgetboggeddownwithday-to-daybudgetingdetailsareusuallythemostsuccessfulwiththeirmoney."Youcan'tsaytothespender,'Okay,youcanonlyspend$50amonth.'It'slikeputtingpeopleonadietwheretheycanlastforawhilebutthentheyjustbingeandeataloafofbread.Thespenderwillsay,'I'llcutback.Andthentheystartcuttingouttheextracupofcoffee.Butit'srarelythecoffeethatputsthemindebt.It'sthehometheycan'taffordorthecartheyshouldn'tbedriving."

Allvinerecommendssortingyourbigdreams-startingabusiness,owningahome,savingforavacation-intocategories,orbuckets."Whenyounamethebucket,youknowwhatthatmoneyisfor,andyouwon'tuseitforanythingelse.That'showcouplesgettotheirgoals-theypaythemselvesfirstforthebigthings."

Everyoneneedstheprenuptial(結(jié)婚前的)talk.Astoday'scouplesmarrylater,orremarry,theyfacebigchallengescombiningresources.Onespousemaybringchildrenfromapreviousmarriage;anothermightbecaringforelderlyparents.Thenew-thinksays,richornot,youmayneedaprenuptialagreement."Itmakessensetothinkthingsthroughearlyon,"saysMellodyHobson,presidentofArielCapitalManagementinChicago.

ButCarrieSchwab-Pomerantz,co-author,withherfather,CharlesSchwab,ofItPaystoTalk,hasadifferenttake:"Noteveryoneneedstosignaprenuptialdocument-buteveryoneshouldhavetheprenuptialconversation."

Thepoint,saysSchwab-Pomerantz,istogetanideaofeachother'smoneypersonality."Ifsomeonehasalotofdebt.thatcanreflectsomepersonalityissuesthathisorherpartnerneedstoknowab

A.YB.NC.NG

13.

Whichisthemasteroffivekindsofsensesforhumanbeing?

A.Thecerebralcortex.

B.Thebrain.

C.Thenerves.

D.Themuscles.

14.

______areusedbyseveralautomakerstoproducehybridsedans,SUVsandtrucks,whichhelpcutglobalwarmingpollution.

15.Gardening

Thetechnologyofbeauty

Now,gardeningwasdrivenbythreemaintrends:technologicalchange,plantprospectingandfashion.Ofthese,themostimportantwastechnology,whoseadvancesmadeitpossibleforthemiddleclassestoenjoywhathadoncebeenaffordableonlytotheveryrich.

Themostdramaticexampleofpopularizingtechnologywassurelytheinventionofthelawnmower.Nothingwasmorelabour-intensive,inthe18thcentury,thanmaintainingalargelawn.Itwouldtakethreemenwithscythes(大鐮刀)awholedaytocutanacre(two-fifthsofahectare)ofgrass;theywouldbefollowedbylawnwomenwhosetaskwastogatherupthecuttings.

Justonemanwenttomow

Then,in1830,EdwinBeardBuddingrealisedthattherotarybladeusedintheclothindustrytoproduceanevenpileontextilescouldbeusedongrass.Therotarylawnmowermeantthatsuburbanhomescouldaffordtheneatgreensward(草皮)previouslyavailableonlytotherich.

TheothertechnologythattransformedVictoriangardeningwasthedevelopmentoftheartofgrowingplantsunderglass.ImportingplantsfromcountriesasdistantasAustraliabecameacommercialpossibilityoncetheyweresealedinwoodenboxeswithglasstops.Fromthe1830son,Victoriangardens,privateandpublic,usedmassesofbeddingplants.In1877,2millionplantswerebeddedoutinLondon'sparks,ofteninelaborategeometricdesigns.Growingthemunderglassprotectedthembothfromfrostandfrompollution.

Inthepastcentury,technologyhasonceagaintransformedandsimplifiedgardening.Amongthemostsignificantadvancesisthegrowingofplantsincontainers.Insteadoforderingplantsgrowninopenfieldsanddugupbare-rootedforplantinginautumn,gardenersnowtypicallybuyplantswhich,becausetheyhavebeengrownincontainers,canbetransplantedatalmostanytimeofyear.Containergrowinghasinturnbecomepossiblelargelybecauseofthedevelopmentoflightercomposts.

Othermen'sflowers

Thepasttwocenturieshaveseenanimmenseincreaseintherangeofgardenplants.Nativespecieshavebeenrefinedanddeveloped;andexplorershavebroughtbackplantsfromallpartsoftheworld.ThepassionforplantcollectingsprangpartlyfromtheexpansionofCatholicreligiousorders(神職)abroadinthe16thcentury,lookingformedicinalplantsaswellassoulstoconvert.Manyearlyplant-huntersarecommemoratedinplantnames,suchastheTradescants,fatherandson;SirJosephBanks,whosailedwithCaptainCookandbroughthome3500speciesfromAustralia.

Fashioniseverybitasimportantindeterminingwhatpeoplegrowasinwhattheywear.Thegeometry,gravelandbeddingplantsofthemid-19th-cenmrytown-housegardenhadgivenway,bythecentury'send,toapassionforinformalityandEnglishcottagegardens,fosteredbytwoofthegreatdesignersoftheage.Theirinfluencehasprovedenduring."Allovertheworld,peoplewanttorivalEnglishgardens,ofteninaclimatethatmakesitverydifficult,"saysSarahBond,anenthusiasticamateurgardenerinManhattan.

Agrowingbusiness

Bothgardeningandlookingatgardensaredevelopingrapidly.Givepeopleapieceofgroundandtheywillbuysomethingtoputinit.MarkBhattiandAndrewChurchofBrightonUniversityinEnglandpointtothefactthatpeoplenowseemtospendfarmoreonmachineryandchemicals,andmoreagainonbenches,barbecues,potsandsun-loungers,thantheyspendonplantsthemselves.

Moreover,therangeofplaceswherepeoplecanbuygardeningsupplieshasexpanded.Supermarketsandgeneralstoresfrequentlycarryplantsandothergardeningnecessities.Onthecontrary,Britain'sGardenCentreAssociationsaysthataround12%ofthetypicalturnoverofagardencentrenowcomesfromthecafe.Atriptoaga

A.YB.NC.NG

16.

______,artificialdiscoperationisconsideredabetteroptionthanthetraditionalfusionsurgery.

A.Givingpatientsgreatermobilityandquickerrecovery

B.Suitableforeveryback-painsufferers

C.Beinglessinvasiveandcostly

D.Withfewerpost-operationsideeffects

17.

Successinsomeimportantdrugs______.

18.

Besidespregnantwomen,peopleoversixty-five,influenzacanbeanespeciallyseriousdiseaseforpeople______.

19.MartinusvanSchalkwyk,theministerofenvironmentalaffairsandtourism,visitedthesouthDurbanbasinearlierthisyearandsaidthereweremeasuresinplaceto______.

20.

Ifyouhaveafever,youmuststayinbed.

A.YB.NC.NG

二、3.ListeningComprehension(20題)21.聽力原文：W:I'msofrustrated.TheFinancialAidOfficeisgivingmearealrunaround.Theysentmefromofficetooffice,butnoonecangivemetherightanswers.

M:Icanunderstandyou.EachtimeIgotoapplyforanextensionofmystudentvisa,theyjustgivemearunaround,too.

Q:Whatisthewomandoing?

(15)

A.Sheisapplyingforfinancialaid.

B.Sheisrunningaroundtheoffice.

C.Sheisextendingherstudentvisa.

D.Sheisapplyingforastudentvisa.

22.聽力原文：W:Wenowinterruptourregularschedulednewsprogramtobringyouliveup-to-datecoverageonthecivilunrestinthenewlyformedcountryofKarnak,whereourmanStanFieldingisstationed.Stan...

M:ThisisStanFieldingreportinglivefromthesuburbsofthecapitalcity.Just20minutesago,rebelforceslaunchedthebiggestoffensiveagainsttherulinggovernmentinthe18-monthconflicthereinthiscountry.

W:NowStan,isthisasignthatthepeaceprocesshasbeentotallyabandoned?

M:Well,sofar,peacenegotiationshavefailed,andanyresolutiontoendthecivilwarappearsbleakatthismoment.Asyoucansee...Whoa.

W:Stan,Stan,areyouthere?

M:Uh,yes,Shelly.Asyoucanprobablyhearbehindme,rebelforcesarealsousingheavyartillerytopoundthepositionsofgovernmentforcesaroundthecitycenter.Rebelforcesareclosingin,andit'sfearedthattheywillbeabletotakethecapitalbuildingbeforedaybreakwhere,itisbelieved,manygovernmentofficialsareholdingout.

W:Now,besidestheheavyfighting,whatotherpressingconcernsarethereforthecitizensofthecity?

M:Well,sincethebeginningoftheconflict,starvation,andlackofcleanwaterandadequateshelterhavebeenthebiggestdailyobstaclesfacingthecitizensofthiswar-torncountry.Itisbelievedthatover40,000people,mostlychildren,havestarvedtodeath.Fortunately,noepidemicshavebrokenout,butthatisalwaysaconcernifthiswarlingerson,

W:Okay,thatwasStanFieldingreporting.Andwewillkeepyouup-to-dateasthisstorycontinuestounfold.

(23)

A.ThelatestdevelopmentsofanarmedrebellioninKarnak.

B.ThefallofKarnak'scapitalcityintothehandsoftherebelforces.

C.TheepidemicthathasjustbrokenoutinthecountryofKarnak.

D.ThepeacetalksbetweentherebelsandthegovernmentinKarnak.

23.

【B4】

24.

【B5】

25.(29)

A.Thebodytemperaturedropsandtheheartbeatandbreathingslowdown.

B.Thebodytemperaturedropsandtheheartbeatstops.

C.Thebodytemperaturerisesandbreathingspeedsup.

D.Thebodymovementsdecreaseandtheheartbeatslowsdown.

26.SectionA

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

聽力原文：W:Doyouwanttogorunningdownbythelakeafterpsychologyclass.Ireallyliketotakeadvantageofthebeautifulweatherthisafternoon

M:Well,normallyIbegintogatherwithmystudygroupthen,butIguessIcanskipthatjustthisonce.

Whatdoesthemanmean?

(12)

A.Hewantstostayinthesunshine.

B.Hewouldliketogoforarun.

C.Hewillstudyafterschool.

D.Hewillhaveagather-togetherwithhisfriends.

27.(32)

A.Abatcaughttheinsectinmidairandateit.

B.Dolphin'sclickingsoundsbouncedoffthefishandbacktoit.

C.Apersonheardanechowhenheshoutedintothevalley.

D.Adogheardhisowner'swhistlebecauseheusedultrasound.

28.聽力原文：M:Didyoutalkwithournewmanager?Heislookingforyouthesedays.Ithinkhehassomethingimportant.

W:Ihavebeenoutoftownfor2days.AnduntilthismorningIcomeback.

Q:Whatdoesthewomanmean?

(17)

A.Shehasn'ttalkedwiththenewmanageryet.

B.Thenewmanagerwasnotintheoffice.

C.Shehasbeenathome.

D.Shedidn'twanttotalkwiththenewmanager.

29.(45)

30.(26)

A.Menshouldrememberwhateverwomensay.

B.Menshouldgivewomenwhatevertheywant.

C.Womengiveitwhenmenfailtocatchwhattheysay.

D.Womenappreciateitwhenmenmakeanefforttounderstandthem.

31.聽力原文：W:Didyougotothelibrary,beforeorafteryourexamthismorning?

M:Before.First,Iwenttothelibrarytoreviewmylessons,andafterIhadmylunch,IplayedfootballbeforeIwenthome.

Q:Whatdidthemandothird?

(18)

A.Lunch.B.Exam.C.Reviewhislessons.D.Playingfootball.

32.

【B10】

33.

【B7】

34.

【B2】

35.

domestic

36.(22)

A.Heisorganizedandagoodspeaker.

B.Heisenthusiasticandafast-learner.

C.Heispersistentandexperienced.

D.Heiscapableandgoodatmarketing.

37.聽力原文：OK,soinourlastclasswewerediscussingbigbandsswingmusic.Yourememberthiswasakindofdancemusicwithasteadyrhythm.(26)Buttodaywedealwithmusicplayedbysmallerjazzbands.It'scalledbebopand(27)itmayuseallsortsofnewtypesofrhythms,someofwhichareveryirregular.We'lltalkmoreaboutthatlater.(26)ButfirstIwanttotalkaboutsomeofthesocialelementsthatIbelievecontributedtothedevelopmentofbebopmusic.Todothis,wehavetolookatwhenbeboparoseandstartedbecomingsopopular,whichwasfromthelate1930sthroughthe1940s,fromthetimeoftheenvironmentforbebopmusicwasthedeclineoftheUSeconomy.Duringthegreatdepression,theeconomysufferedtremendously.Andfewerpeoplehadmoneytospendonentertainment.ThenduringWorldWarIIthegovernmentimposedanewtaxonpublicentertainment,whatyoumightcallperformancetax.(28)Thegovernmentcollectedmoneyonperformancesthatincludedanytypesofacting,dancingorsinging,butnotinstrumentalmusic.Sotoavoidthisnewtax,somejazzbandsstoppedusingsingersaltogether.(29)Theystartedrelyingonthecreativityoftheinstrumentalisttoattractaudiences.(28)Thiswaswhatbebopbandsdid.Nowrememberalotofbandshavesingers.Sotheinstrumentalistssimplyplayedinthebackgroundandhadoccasionalsoloswhilethesingersangthemelodytosongs,butnotbebopbands.(27)Sotheinstrumentalistshadmuchmorefreedomtobecreative.Sotheyexperimented,playingthemusicfasterandusingnewirregularsortsofrhythms.

(33)

A.Characteristicsofbigbandsswingmusic.

B.Thedevelopmentofbebop.

C.TherelationshipbetweenAmericanmusicandeconomy.

D.Thedifferencesbetweenbebopmusicandswingmusic.

38.(34)

A.Thereisafiercecompetitionforthetop-leveljobs.

B.Therearesomanypeopleoutofwork.

C.Thejobhistoryisconsideredagoodreflectionofthejobhunter.

D.Newgraduateswithoutworkexperienceareunwanted.

39.聽力原文：M:HowareweevergoingtofinishthisprojectbyWednesday?

W:Well,we'lljusthavetorollupoursleevesandhopeforthebest.

Q:Whatdoesthewomanmean?

(19)

A.Theyhavetofinishitquickly.

B.Theyhavetousewhattheyhave.

C.Theyhavetoworkhardanddotheirbest.

D.Theymustredotheprojectandhopeitimproves.

40.(31)

A.Becausethefarmerplantedthetreeneartheroad.

B.Becausethefarmerplantedthetreeononeofhisfield.

C.Becausethefarmerplantedthetreenearhishouse.

D.Becausethefarmerplantedthetreeinhiswoods.

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

Accordingtothepassage,BenjaminThompsonwasthedesignerforaprojectin______.

A.SanFranciscoB.BostonC.MinneapolisD.SanAntoino

42.

【C2】

43.

Thelionrepresentsthosewhoare______.

A.tootrusting

B.strongandcareful

C.reliantonforce

D.lackinginintelligence

44.SectionB

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

Ingeneral,oursocietyisbecomingoneofgiantenterprisesdirectedbyabureaucraticmanagementinwhichmanbecomesasmallwell-oiledcog(齒輪)inthemachinery.Theoilingisdonewithhigherwages,well-ventilatedfactoriesandpipedmusic,andbypsychologistsand"human-relations"experts;yetallthisoilingdoesnotalterthefactthatmanhasbecomepowerless,thatheisboredwithit.Infact,theblue-andthewhite-collarworkershavebecomeeconomicpuppets(傀儡)whodancetothetuneofautomatedmachinesandbureaucraticmanagement.

Theworkerandemployeeareanxiousnotonlybecausetheymightfindthemselvesoutofajob;theyareanxiousalsobecausetheyareunabletoacquireanyrealsatisfactionofinterestinlife.Theyliveanddiewithouteverhavingconfrontedthefundamentalrealitiesofhumanexistenceasemotionallyandintellectuallyindependentandproductivehumanbeings.

Thosehigheruponthesocialladderarenolessanxious.Theirlivesarenolessemptythanthoseoftheirsubordinates.Theyareevenmoreinsecureinsomerespects.Theyareinahighlycompetitiverace.Tobepromotedortofallbehindisnotamatterofsalarybutevenmoreamatterofself-respect.Whentheyapplyfortheirfirstjob,theyaretestedforintelligenceaswellasforthefightmixtureofsubmissivenessandindependence.Fromthatmomentontheyaretestedagainandagain—bythepsychologists,forwhomtestingisabigbusiness,andbytheirsuperiors,whojudgetheirbehavior,sociability,capacitytogetalong,etc.Thisconstantneed.toprovethatoneisasgoodasorbetterthanone'sfellow-competitorcreatesconstantanxietyandstress,theverycausesofunhappinessandillness.

AmIsuggestingthatweshouldreturntothepre-industrialmodeofproductionortonineteenth-century"freeenterprise"capitalism?Certainlynot.Problemsareneversolvedbyreturningtoastagewhichonehasalreadyoutgrown.Isuggesttransformingoursocialsystemfromabureaucraticallymanagedindustrialisminwhichmaximalproductionandconsumptionareendsinthemselvesintoahumanistindustrialisminwhichmanandfulldevelopmentofhispotentialities—thoseofallloveandofreason—aretheaimsofsocialarrangements.Productionandconsumptionshouldserveonlyasmeanstothisend,andshouldbepreventedfromrulingman.

By"awell-oiledcoginthemachinery"theauthorintendstorendertheideathatmanis______.

A.workingincompleteharmonywiththerestofthesociety

B.ahumblecomponentofthesociety,especiallywhenworkingsmoothly

C.anecessarypartofthesocietythougheachindividual'sfunctionisnegligible

D.anunimportantpartincomparisonwiththerestofthesociety,thoughfunctioningsmoothly

45.AccordingtoFrankRoberto,whatisthedifficultyforAmericanresearchers'mass-productionofmusselglue?

A.Thegenenumberthatisknownisnotenough.

B.Musselsaremuchsmarterthanwethink.

C.Theycan'tcopytheblendofproteinsofmussel.

D.Musselshaveanamazingpowerharmfultoman.

46.

Talkingtoanimalsis______.

A.sillyB.suspiciousC.beneficialD.stimulating

47.WhichofthefollowingistrueabouttheWorldDigitalLibraryaccordingtothepassage?

A.AteamattheLibraryofCongressinWashingtondevelopeditswebsitealone.

B.Librariesandinstitutionsinmostcountrieshavecontributedtothelibrarysofar.

C.Alldocumentsandtheirexplanationsinthelibraryareinsevenofficiallanguages.

D.YoucanlearnfromthelibraryaboutBritishpoliticsandeconomy1000yearsago.

48.Thepurposeofthelargecompaniesinrecruitingoutsidersandputtingthemontheboardofdirectorsisto______.

A.diversifythebusinessofthecorporation

B.protecttheinterestsoftheshareholders

C.introduceeffectivereformsinbusinessmanagement

D.enhancethecooperationbetweentheseniormanagersandtheboarddirectors

49.

ElAl'ssecurityprocedurescan'tbewidelyappliedinAmericabecausetheyare____.

50.AmetalwithabuiltinmemoryisoneoftheveryusefuldiscoveriesmadeduringAmerica'sspaceprogram.NitinolwasdiscoveredbyscientistsworkingattheNavalSurfaceWeaponsCenter.Theywerelookingforheatshieldmetalsformissilesandsatellites,butwhattheyfoundwasnitinol.Thisalloycanbeformedintoshapesjustlikeanyothermetal,butitreturnstoitsoriginalform.atacertaintemperature.

Whenthisalloyofnickelandtitaniumisfirstformed,itisshapedintoingots,brickshapedmassesofthemetal.Thenitisdrawnoutintoawireofvaryingthickness,dependingonthejobitisdestinedtodo.Itissetintoitsdesiredcurveorshapeandheatedbriefly.Itisthencooledoffbydippingthewireincoldwater.This"sets"itsmemory.Themetalcanthenbeformedintoanydesiredshape,butwheneveritstemperatureexceedsitsroomtemperature,'itreturnstotheshapeithasmemorized.

Thismakesnitinolperfect,ofcourse,for,spacecraft,forantennas,probes,shields,andfolding"arms"madeofnitinolcanbestoredsafelyinsideaspacecraft,protectingthemfromdamageduringlaunching.Then,oncesafeinorbit,thespacecraftwouldsuddenly"grow"antennasandotherstructures.Thesun'srayswouldhavewarmedupthefoldedandcoilednitinol,anditwouldhavereturnedtoitsoriginalshape.

Butscientistshavefoundamoredowntoearthuseforthiswire:theynowuseittostrengthenteeth.Beforenitinol,teeththatneededstraighteninghavebracketsattachedtothem;wireswereattachedtothesetoexertapullintherightdirection.Butthispullmustbeconstant,andthestainlesssteelarchwirecannotexertthecorrectforceifithasbeenbentseveraltimesorifthetoothhasactuallymovedtowarditasplanned.Asaresult,manypeoplewithdentalbracesmusthavethewirereplacedmonthly,tightenedeveryfewweeks,oradjustedpainfullytightatthebeginningofthetreatment.

Butnitinolwirescanbeformedtoexertforceinacertaindirection,cooledofandthenreformedtofitthepatient'smouth.Asthemouthwarmsthenitinol,itbeginstotrytoassumeitspresetshape.Thisexertsasteadier,moreconstantpullonthetooththancouldeverbeachievedwithstainlesssteelwire.Nitinolcanbebentintosuchintricateshapes—whilemaintainingitspull—thatverydifficulttreatments,suchasmovingonetoothfrombehindanother,canbedonenowwithouttheexpenseorpainofconstantadjustment.Nitinolhascuttiletimeneededforthesetreatmentsbyalmosthalf,arealbenefitforbothpatientanddentist.

Themainideaofthispassageisthat______.

A.nitinolisahighlyversatilemetal

B.nitinolhelpedmakethespaceprogramasuccess

C.nitinolhasrevolutionizeddentalcare

D.mostalloyshave"memories"

51.

【C8】

52.(62)

53.

Whydoestheauthorthinkthatsixteenisthekey,crucialandnaturalage?

A.Adultswouldliketobeyoung.

B.Sixteen-year-oldsdonotwastethings.

C.Sixteen-year-oldsreadnewspapers.

D.Sixteen-year-oldswillbefightingsoonforadults.

54.WhatdoestheauthorsayaboutgraduateeducationinAmerica?

A.ThebestgraduateeducationisinDetroit.

B.Manygraduatescan'tfindajobintheirprofession.

C.Mostgraduateprogramsshouldbecancelledforgood.

D.Moststudentsreceivegraduateeducationjustforadiploma.

55.Theauthorcondemnsnoiseessentiallybecauseit______.

A.isagainstthelaw

B.canmakesomepeopleirritable

C.isanuisance

D.isadangertopeople'shealth

56.Theauthor'spurposeincitingthosewhoarerepeatedlyunemployedduringatwelve-monthperiodismostprobablytoshowthat

A.thereareseveralfactorsthatcausethepaymentoflowwagestosomemembersofthelaborforce

B.unemploymentstatisticscanunderestimatethehardshipresultingfromjoblessness

C.recurrentinadequaciesinthelabormarketcanexistandcausehardshipsforindividualworkers

D.amajorityofthosewhoarejoblessatanytimedoesnotsufferseverehardship

57.SectionB

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

Aweathermapisanimportanttoolforgeographers.Asuccessionofthreeorfourmapspresentsacontinuouspictureofweatherchanges.Weatherforecastersareabletodeterminethespeedofairmassesandfronts;todeterminewhetheranindividualpressureareaisdeepeningorbecomingshallowandwhetherafrontisincreasingordecreasinginintensity.Theyarealsoabletodeterminewhetheranairmassisretainingitsoriginalcharacteristicsortakingonthoseofthesurfaceoverwhichitismoving.Thus,amostsignificantfunctionofthemapistorevealasynopticpictureofconditionsintheatmosphereatagiven