2013年職稱英語考試綜合類B級試題及答案

正保遠(yuǎn)程教育（美國紐交所上市公司代碼：DL）_____________________________________________________________________[]職業(yè)培訓(xùn)教育24小時）關(guān)注更多2015年職稱英語考試資料，及時了解職稱英語考試動態(tài)，歡迎添加職業(yè)培訓(xùn)教育網(wǎng)職稱英語頻道微信：zhichengenglish，QQ群：210597052204744182302593754第1部分：詞匯選項(第1-15題，每題1分，共15分)下面每個句子中均有1個詞或短語畫有底橫線，請為每處畫線部分確定1個意義最為接近的選項。1、Shecameacrossthreechildrensleepingunderabridge.ApassedbyBtookanoticeofCwokeupDfoundbychance答案：D職業(yè)培訓(xùn)教育網(wǎng)名師解析：comeacross是固定搭配，意思是“偶遇，碰巧發(fā)現(xiàn)”，因此選擇D選項。passby“路過”，takeanoticeof“注意到”，wakeup“醒來”。2、Itseemedincrediblethathehadbeenthereaweekalready.ArightBobviousCunbelievableDunclear答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：incredible意為“難以置信的”，與unbelievable同義。obvious“明顯的”，unclear“不明的”。3、Hewastemptedbythehighsalaryofferedbythecompany.AattractedBtaughtCkeptDchanged答案：A職業(yè)培訓(xùn)教育網(wǎng)名師解析：tempt“吸引，誘惑”，此處為被動態(tài)，句子意思為：他被這家公司開出的高額薪水吸引了。A選項符合句義。4、Shegetsaggressivewhensheisdrunk.AworriedBoffensiveCsleepyDanxious答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：aggressive意為“好斗的，富于攻擊性的”，與offensive相近，如：Mentendtobemoreaggressivethanwomen.男性往往比女性更具有攻擊性。Knivesofanysortareclassedasoffensiveweapons.任何刀具都屬于攻擊性武器。worried“拘心的”，sleepy“困倦的”，anxious“焦急的”。5、Ihavelittleinformationasregardsherfitnessforthepost.AatBwithCaboutDfrom答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：asregards是固定搭配，意思是“關(guān)于”，如：Thereisnoproblemasregardsthefinancialarrangements.資金籌備方面毫無問題。6、Theseanimalsmigratesouthannuallyinsearchoffood.AexploreBinhabitCpreferDtravel答案：D職業(yè)培訓(xùn)教育網(wǎng)名師解析：migrate的意思是“遷徙”，travel除了常見的“旅行”意思外，還有“行進(jìn)”的意思，如：Supersonicplanescantravelfasterthanthespeedofsound.超音速飛機(jī)的速度比音速快。在這里可作同義替換。explore“探索”，inhabit“柄息，居住”，prefer“更喜歡”。7、Therewassomethingpeculiarinthewayhesmiles.AdifferentBwrongCstrangeDfunny答案：C10、Hepaused,waitingforhertodigesttheinformation.AwithholdBexchangeCunderstandDcontact答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：digest本義是“消化”，可轉(zhuǎn)義為“理解(知識、信息)”，在句中可與understand互換。withhold“保留，隱瞞”;exchange“交換”;contact“聯(lián)系”。11、Therulesaretoorigidtoallowforhumanerror.AgeneralBinflexibleCcomplexDdirect答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：rigid“僵硬的，固定的，頑間的”，與inflexible同義。12、Rumorsbegantocirculateabouthisfinancialproblems.AsendBhearCconfirmDspread答案：D職業(yè)培訓(xùn)教育網(wǎng)名師解析：circulate做不及物動同，意思是“傳播，流通”，如：Weshouldoftenopenthewin-dowstoallowtheairtocirculate.我們應(yīng)當(dāng)經(jīng)常打開窗戶以使空氣流通。句子的意思是：關(guān)于他的財政問題的流言開始傳開。13、Comeout,orI'llbustthedoordown.AbreakBshutCsetDbeat答案：A職業(yè)培訓(xùn)教育網(wǎng)名師解析：bust“使爆裂”，句子的意思是：快點，不然我就破門而入了。這里與break同義。14、Thepolicewillneedtokeepawaryeyeonthisareaoftown.AnakedBblindCcautiousDprivate答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：wary“謹(jǐn)慎的，機(jī)警的”，與cautious同義。naked“裸體的”，blind“盲的”，private“私人的”。15、Thecontractbetweenthetwocompanieswillexpiresoon.AshortenBstartCendDresume答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：expire“期滿，終止”。resume是“重新開始”。第2部分：閱讀判斷(第16-22題，每題1分，共7分)下面的短文后列出了7個句子，請根據(jù)短文的內(nèi)容對每個句子做出判斷：如果該句提供的是正確信息，請選擇A;如果該句提供的是錯誤信息，請選擇B;如果該句的信息文中沒有提及，請選擇C。KickingtheHabitWhatisabadhabit?Themostcommondefinitionisthatitissomethingthatwedoregularly,almostwithoutthinkingaboutit,andwhichhassomesortofnegativeconsequence.Thisconsequencecouldaffectthosearoundus,oritcouldaffectuspersonally.Thosewhodenyhavingbadhabitsareprobablylying.Badhamsarepartofwhatmakesushuman.Manyearlyhabits,likesuckingourthumb,arebrokenwhenweareveryyoung.Weareeithertoldtostopdoingitbyourparents,orweconsciouslyorsubconsciouslyobservethatothersdonothavethesamehabit,andwegraduallygrowoutofit.Itiswhenweintentionallyorunintentionallypickupnewhabitsinourlaterchildhoodorearlyadulthoodthatitbecomesaproblem.Unlesswecanbreakthathabitearlyon,itbecomesapartofourWe,andbecomes“programmed”intoourbrain.Arecentstudyofhumanmemorysuggeststhatnomatterhowhardwetrytochangeourhabits,itistheoldwaysthattendtowin,especiallyinsituationswherewearerushed,stressedoroverworked.Habitsthatwethoughtwehadgotridofcansuddenlycomeback.Duringthestudyprogramme,theresearchersshowedagroupofvolunteersseveralpictures,andgavethemwordstoassociatewiththem.Theythenshowedthevolunteersthesamepicturesagain,andgavethemnewwordstoassociatewiththem.Afewdayslater,thevolunteersweregivenatest.Theresearchersshowedthemthepictures，andtoldthemtorespondwithoneofthewordstheyhadbeengivenforeachone.ItcameasnosurprisethattheiranswersweresplitbetweenthefirstsetofwordsandthesecondTwoweekslater,theyweregiventhesametestagain.Thistime,mostofthemonlygavethefirstsetofwords.Theyappearedtohavecompletelyforgottenthesecondset.Thestudyconfirmsthattheresponseswelearnfirstarethosethatremainstrongestovertime.Wemaytrytochangeourways,butafterawhile,theresponsethatcomestomindfirstisusuallythefirstonewelearned.Themorethatresponseisusedthemoreautomaticitbecomesandtheharderitbecomestorespondinanyotherway.Thestudythereforesuggeststhatovertime,ourbadhabitsalsobecomeautomatic,learnedbehaviour.Thisisnotgoodnewsforpeoplewhopickedupbadhabitsearlyinlifeandnowwanttochangeorbreakthem.Evenwhenwetrytoputnew,goodintentionsintopractice,thosepreviouslylearnedhabitsremainstrongerinmoreautomatic,unconsciousformsofmemory.16Boysusuallydevelopbadhabitswhentheyareveryyoung.ARightBWrongCNotmentioned17Wecanonlybreakbadhabitsifotherstellustodoso.ARightBWrongCNotmentioned18Badhabitsmayreturnwhenweareunderpressure.ARightBWrongCNotmentioned19Researchersweresurprisedbytheanswersthatthevolunteersgaveinthefirsttest.ARightBWrongCNotmentioned20Thevolunteersfoundthetestmoredifficultwhentheydiditthesecondtime.ARightBWrongCNotmentioned21ThestudysuggeststhatitismoredifficulttorespondtowhatwelearnfirstARightBWrongCNotmentioned20C文中只提到更多的受試者在第二次測試中選擇了第一組也就是先記住的同匯，并沒有講他們對題目難度的感受。21B調(diào)查顯示人們更容易記住先學(xué)到的東西。22A文中最后兩段都是在講小時候壞習(xí)慣是根深蒂固的，即使努力擺脫，也常常容易回到舊軌道上去。第3部分：概括大意與完成句子(第23-30題，每題1分，共8分)下面的短文后有2項測試任務(wù)：(1)第23-26題要求從所給的6個選項中為第1-4段每段選擇1個最佳標(biāo)題;(2)第27-30題要求從所給的6個選項中為每個句子確定1個最佳選項。TrafficJams-NoEndinSightTrafficcongestion(擁堵)affectspeoplethroughouttheworldTrafficjamscausesmogindozensofcitiesacrossboththedevelopedanddevelopingworld.IntheU.S.,commuters(通勤人員)spendanaverageofafullworkingweekeachyearsittingintrafficjams,accordingtotheTexasTransportationinstitute.Whilealternativewaysofgettingaroundareavailable,mostpeoplestillchoosetheircarsbecausetheyarelookingforconvenience,comfortandprivacy.Themostpromisingtechniqueforreducingcitytrafficiscalledcongestionpricing，wherebycitieschargeatolltoentercertainpartsoftownatcertaintimesofday.Intheory,ifthetoilishighenough,somedriverswillcanceltheirtripsorgobybusortrain.Andinpracticeitseemstowork;Singapore,LondonandStockholmhavereducedtrafficandpollutionincitycentresthankstocongestionpricing.Anotherwaytoreducerush-hourtrafficisforemployerstoimplementflexitime,whichletsemployeestraveltoandfromworkatoff-peaktraffictimestoavoidtherushhour.Thosewhohavetotravelduringbusytimescandotheirpartbysharingcars.Employerscanalsoallowmorestafftotelecommute(workfromhome)soastokeepmorecarsofftheroadaltogether.Someurbanplannersstillbelievethatthebestwaytoeasetrafficcongestionistobuildmoreroads,especiallyroadsthatcantakedriversaroundorovercrowdedcitystreets.Butsuchtechniquesdonotreallykeepcarsofftheroad;theyonlyaccommodatemoreofthem.Other,moreforward-thinking,plannersknowthatmoreandmoredriversandcarsaretakingtotheroadseveryday,andtheyareunwillingtoencouragemoreprivateautomobileswhenpublictransportissomuchbetterbothforpeopleandtheenvironment.Forthisreason,theAmericangovernmenthasdecidedtospendsome$7billiononhelpingtoincreasecapacityonpublic-transportsystemsandupgradethemwithmoreefficienttechnologies.Butenvironmentalistscomplainthatsuchfundingistinycomparedwiththe$50billionbeingspentonroadsandbridges.23Paragraph1_____24Paragraph2______25Paragraph3______26Paragraph4______A.PayingtogetinB.AsolutionwhichisnosolutionC.ChangingworkpracticeD.ClosingcitycentrestotrafficE.Notdoingenough27MostAmericandriversthinkitconvenientto______.28Ifchargedhighenough,somedriversmay______toentercertainpartsoftown.29Buildingmoreroadsisnotaneffectivewayto_______.30TheU.S.governmenthasplannedto_______updatingpublic-transportsystems.AreducetrafficjamsBspendmoremoneyCdrivearoundDtravelregularlyEgobybus第4部分：閱讀理解(第31-45題，每題3分，共45分)下面有3篇短文，每篇短文后有5道題。請根據(jù)短文內(nèi)容，為每題確定1個最佳選項。第一篇OperationMigrationIfyoulookupattheskyintheearlyfallinthenorthernpartofNorthAmerica,youmayseegroupsofbirds.Thesebirdsareflyingsouthtoplaceswheretheycanfindfoodandwarmthforthewinter.Theyaremigrating(遷徙)Theyoungbirdsusuallylearntomigratefromtheirparents.Theyfollowtheirparentssouth.Inoneunusualcase,however,theyoungbirdsarefollowingsomethingverydifferent.Thesebirdsareyoungwhoopingcranes,andtheyarefollowinganairplane?ThewhoopingcraneisthelargestbirdthatisnativetoNorthAmerica,Thesebirdsalmostdisappearedinthe1800s.By1941，therewereonlyabout20cranesalive.Inthe1970s,peoplewereworriedthatthesecreatureswereindangerofdisappearingcompletely.Asaresult,theUnitedStatesidentifiedwhoopingcranesasanendangeredspeciesthattheyneededtoprotect.Someresearcherstriedtohelp.Theybegantobreedwhoopingcranesinspecialparkstoincreasethenumberofbirds.Thisplanwassuccessful.Therewerealotofnewbabybirds.Asthebirdsbecameolder，theresearcherswantedtoreturnthemtonature.However,therewasaproblem：Theseyoungbirdsdidnotknowhowtomigrate.Theyneededhumanhelp.In2001，somepeoplehadacreativeidea.TheyformedanorganizationcalledOperationMigration.Thisgroupdecidedtouseverylightairplanes,insteadofbirds,toleadtheyoungwhoopingcranesontheirfirsttripsouth.Theypaintedeachairplanetolooklikeawhoopingcrane.Eventhepilotsworespecialclothingtomakethemlooklikecranes_Thecranesbegantotrusttheairplanes,andtheplanworked.Today,planesstillleadbirdsacrossapproximately1,200miles(1，931kilometers),fromtheUnitedStates-CanadianbordertotheGulfofMexico.Theyleavethebirdsatdifferentsites.Ifatripissuccessful,thebirdscantravelontheirowninthefuture.Then,whenthesebirdsbecomeparents,theywillteachtheiryoungtomigrate.ThepeopleofOperationMigrationthinkthisistheonlywaytomaintainthewhoopingcranepopulation.OperationMigrationworkswithseveralotherorganizationsandgovernmentinstitutes.Together,theyassisthundredsofcraneseachyear.However,someexpertspredict:thatsoon,thiswon’tbenecessary.ThankstoOperationMigrationanditspartners，thecranepopulationwillcontinuetomigrate.Hopefully,theywon'tneedhumanhelpanymore.31Whoopingcranesmigrateinwinterto_______________.AraisebabywhoopingcranesBfindwarmthandfoodCgethumanhelpDlayeggs答案：B33OperationMigrationaimsto___________.AteachadultcraneshowtoflyBbreedcranesinspecialparksCleadyoungcranesontheirfirsttripsouthDtransportcranestotheNorth答案：C職業(yè)培訓(xùn)教育網(wǎng)名師解析：第四段第三句：Thisgroupdecidedtouseverylightairplanes,insteadofbirds,toleadtheyoungwhoopingcranesontheirfirsttripsouth.因此選C。34Thedistancecoveredbytheyoungwhoopingcranesontheirtripsouthis_________.A120milesB1,200milesC1,931milesD2,000miles答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：第五段第一句：Today，planesstillleadbirdsacrossapproximately1,200miles...因此選B。35ifOperationMigrationissuccessful.whoopingcraneswill____________.AfollowairplanessoutheveryyearBliveinCanadaallyearroundCbeunabletoflybackDlearntomigrateontheirown答案：D職業(yè)培訓(xùn)教育網(wǎng)名師解析：由最后—段可知，如果該計劃成功的話，小美洲鶴就能學(xué)會自己遷徙，這也是這一計劃的目的。第二篇“Lucky”LordLucan—AliveorDead?On8thNovember1974LordLucan,aBritisharistocrat(貴族)，vanished.Thedaybefore,hischildren’snanny(保姆)hadbeenbrutallymurderedandhiswifehadbeenattackedtoo.TothisdaytheBritishpublicarestillinterestedinthemurdercasebecauseLucanhasneverbeenfound.Now,over30yearslater,thepolicehavereopenedthecase,hopingthatnewDNAtechniqueswillhelpsolvethismurdermystery.Peoplesuspectedthat“Lucky”，ashewascalledbyfriends,wantedtokillhiswifehenolongerlivedwith.TheysaythatLucanenteredhisoldhouseandinthedark,killedthenannybymistake.Hisestranged(分居的)wifeheardnoises,camedownstairsandwasalsoattackedbutmanagedtoescape.Sevenmonthsafterthemurder，ajuryconcludedthatLucanhadkilledthenanny.Whathappenednextisunclear,butthereareseveraltheorieswhichfallintooneofthreecategories：hamayhavekilledhimself,hecouldhaveescapedorhemighthavebeenkilled,Itappearsthatthenightafterthemurder,“Lucky”borrowedacaranddroveit;Lucan'sfriendAspinallsaidinaninterviewthathethoughtLucanhadcommittedsuicidebysinkinghisboatintheEnglishChannel.Anotherversionofeventssaysthat“Lucky”lefttheblood-soakedcaronthecoastandtookaferrytoFrance.Hewasmettherebysomeonewhodrovehimtosafetyinanothercountry.However;afteratime,hisrescuersbecameworriedthattheywouldbecomeinvolvedmthemurdertooandsoLucanwaskilled.AfurtherfascinatingtheorywasmadeinthebookDeadLuckybyDuncanMacLaughlin,aformerdetective.HebelievesthatLucantravelledtoGoa,India,whereheassumedtheidentityofaMr.BarryHaplin.LucanthenlivedinGoatillhisdeathin1996.Intheendtheclaimturnedouttobeacaseofmistakenidentity.Themanwhodiedin1996wasreallyHaplin,anex-schoolteacher.Sowhatisthetruthabout“Lucky”?DNAtestinghassolvedmanymurdercases,butwhoknowsifitcanclosethebookonthisone.36TheBritishpublicarestillinterestedinthemurdercasebecause______.AthemurdererwasanaristocratBthemurdererhasnotbeencaughtCthemurderer'sDNAhasbeenfoundDthemurdererwasafamousman答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：由第一段第三句：TothisdaytheBritishpublicarestillinterestedinthemurdercasebecauseLucanhasneverbeenfound.可選出答案為B。37ItwassuspectedthatLucankilledthenannybecause______.AshewascrueltohischildrenBsheattackedhiswifeCshewasmistakenforhiswifeDshestolehiscar答案：C39AccordingtotheversioninParagraph4,Lucan______.AwasinvolvedinamurderinFranceBwascaughtinanothercountryCmethispartnersonaferryDhadescapedbutwaskilledlater答案：D職業(yè)培訓(xùn)教育網(wǎng)名師解析：第四段講述了一種版本的猜測，即Lucan被救之后又被殺害。40Theword"assumed"inthelastparagraphmeans______.AdisclosedBtookonCsetupDchanged答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：句子的意思是Lucan假冒了另一個人的身份，assume有“冒充”的意思，在四個選項里面，takeonanidentity同樣有“冒充身份”的意思，其他三個詞都不能與identity搭配。第三篇OntheTrailoftheHoneyBadgerOnarecentfieldtriptotheKalahariDesert，ateamofresearcherslearntalotmoreabouthoneybadgers(獾).Theteamemployedalocalwildlifeexpert,KitsoKhama,tohelpthemlocateandfollowthebadgersacrossthedesert.Theirmainaimwastostudythebadgers，movementsandbehaviourasdiscreetly(謹(jǐn)慎地)aspossible,withoutfrighteningthemawayorcausingthemtochangetheirnaturalbehaviour,Theyalsoplannedtotrapafewandstudythemcloseupbeforereleasingthem.Inviewoftheanimal'sreputation,thiswassomethingthatevenKhamawasreluctanttodo.“Theproblemwithhoneybadgersistheyarenaturallycuriousanimals,especiallywhentheyseesomethingnew,”hesays."Thai,combinedwiththeirunpredictablenature,canbeadangerousmixture,iftheysenseyouhavefood,forexample,theywon’tbeshyaboutcomingrightuptoyouforsomethingtoeat.They1reactuallyquitesociablecreaturesaroundhumans,butassoonastheyfeeltheymightbeindanger,theycanbecomeextremelyvicious(兇惡的).Fortunatelythisisrare,butitdoeshappen.”Theresearchconfirmedmanythingsthatwerealreadyknown.Asexpected,honeybadgersateanycreaturestheycouldcatchandkill.Evenpoisonoussnakes,fearedandavoidedbymostotheranimals,werenotsafefromthem.Theresearchersweresurprised,however,bytheanimalsfondnessforlocalmelons,probablybecauseoftheirhighwatercontent.Previouslyresearchersthoughtthattheanimalgotallofitsliquidrequirementsfromitsprey(獵物)Theteamalsolearntthat,contrarytopreviousresearchfindings,thebadgersoccasionallyformedloosefamilygroups.,Theywerealsoabletoconfirmcertainresultsfrompreviousresearch,includingthefactthatfemalebadgersneversocialisedwitheachother.Followingsomeofthemalebadgerswasachallenge,sincetheycancoverlargedistancesinashortspaceoftime.Somehuntingterritoriescovermorethan500squarekilometres.Althoughtheyseemhappytosharetheseterritorieswithothermales,thereareoccasionalfightsoveranimportantfoodsource,andmalebadgerscanbeasaggressivetowardseachotherastheyaretowardsotherspecies.Asthebadgersbecameaccustomedtothepresenceofpeople,itgavetheteamthechancetogetupclosetothemwithoutbeingthesubjectoftheanimals’curiosity—ortheirsuddenaggression.Thebadgers’eatingpatterns，whichhadbeendisrupted,returnedtonormalItalsoallowedtheteamtoobservemorecloselysomeoftheothercreaturesthatformworkingassociationswiththehoneybadger,astheseseemedtoadoptthebadgers'relaxedattitudewhennearhumans.41WhydidthewildlifeexpertsvisittheKalahariDesert?ATofindwherehoneybadgerslive.BToobservehowhoneybadgersbehave.CTocatchsomehoneybadgersforfood.DTofindoutwhyhoneybadgershaveabadreputation.答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：第一段第三句：Theirmainaimwastostudythebadgers'movementsandbehaviourasdiscreetly(謹(jǐn)慎地)aspossible.可推斷出此次調(diào)查的目的是廣解獾的習(xí)性。42WhatdoesKitsoKhamasayabouthoneybadgers?ATheyshowinterestinthingstheyarenotfamiliarwith.BTheyarealwayslookingforfood.CTheydonotenjoyhumancompany.DItiscommonforthemtoattackpeople.答案：A44Whichofthefollowingisatypicalfeatureofmalebadgers?ATheydon'trunveryquickly.BTheyhuntoveraverylargearea.CTheydefendtheirterritoryfromotherbadgers.DTheyaremoreaggressivethanfemales.答案：B職業(yè)培訓(xùn)教育網(wǎng)名師解析：第四段講了雄性獾的特征，它們能在短時間內(nèi)行進(jìn)很長的距離，因此B項正確。它們樂意同其他雄性獾分享領(lǐng)地，因此C錯誤。文中并沒有提到它們在好斗性方面同雌性獾的區(qū)別，因此排除D項。45Whathappenedwhenhoneybadgersgotusedtohumansaroundthem?ATheylostinterestinpeople.BTheybecamelessaggressivetowardsothercreatures.CTheystartedeatingmore.DOtheranimalsstartedworkingwiththem.答案：A職業(yè)培訓(xùn)教育網(wǎng)名師解析：最后一段第一句：Asthebadgersbccamcaccustomedtothepresenceofpeople,itgavetheteamthechancctogetupclosetothemwithoutbeingthesubjcctoftheanimals’curiosity一ortheirsuddenaggression.獾在習(xí)慣人的存在之后興趣就不那么濃厚。第5部分：補(bǔ)全短文(第46-50題，每題2分，共10分)下面的短文有5處空白，短文后有6個句子，其中5個取自短文，請根據(jù)短文內(nèi)容將其分別放回原有位置，以恢復(fù)文章原貌。TheToughGrassthatSweetensOurLivesSugarcanewasonceawildgrassthatgrewinNewGuineaandwasusedbylocalpeopleforroofingtheirhousesandfencingtheirgardens.Graduallyadifferentvarietyevolvedwhichcontainedsucrose(蔗糖)andwaschewedonforitssweettaste.Overtime,sugarcanebecameahighlyvaluablecommercialplant,grownthroughouttheworld.______(46)Sugarbecameavitalingredientinallkindsofthings,fromconfectionery(糖果點心)tomedicine,and,asthedemandforsugargrew,theindustrybecamelargerandmoreprofitable.___________(47)Manycropswithered(枯萎)anddied，despitegrowers，attemptstosavethem,andtherewerefearsthatthehealthoftheplantwouldcontinuetodeteriorate.Inthe1960s，scientistsworkinginBarbadoslookedforwaystomakethecommercialspeciesstrongerandmoreabletoresistdisease.Theyexperimentedwithbreedingprogrammes，mixinggenesfromthewildspeciesofsugarcane,whichtendstobetougher,withgenesfromthemoredelicate,commercialtype.___________(48)Thissugarcaneisnotyetreadytobesoldcommercially,butwhenthishappens,itisexpectedtobeincrediblyprofitablefortheindustry.___________(49)Brazil,whichproducesonequarteroftheworld’ssugar,hascoordinatedaninternationalprojectunderProfessorPauloArrudooftheUniversidadeEstaudualdeCampinasinSaoPaulo.Teamsofexpertshaveworkedwithhimtodiscovermoreaboutwhichpartsofthegeneticstructureoftheplantareimportantfortheproductionofsugaranditsoverallhealth.Despitealltheresearch,however,westilldonotfullyunderstandhowthegenesfunctionInsugarcane._______(50)Thisgeneisparticularlyexcitingbecauseitmakestheplantresistanttorust,adiseasewhichprobablyoriginatedinIndia,butisnowcapableofinfectingsugarcaneacrosstheworld.Scientistsbelievetheywilleventuallybeabletogrowaplantwhichcannotbedestroyedbyrust.AEventually,acommercialplantwasdevelopedwhichwas5percentsweeterthanbefore,butalsomuchstrongerandlesslikelytodiefromdisease.BSincethe1960s,scientistshavebeenanalysingthemysteriesofthesugarcane’sgeneticcode.COnemajorgenehasbeenidentifiedbyDr.AngeliqueD'HontandherteaminMontpelier,France.DThemajorityoftheworld’ssugarnowcomesfromthisparticularcommercialspecies.ESugarcaneisnowmuchmorevigorousandthesupplyofsugaristhereforemoreguaranteed.第6部分：完形填空(第51-65題，每題1分，共15分)下面的短文有15處空白，請根據(jù)短文內(nèi)容為每處空白確定1個最佳選項。TeachingandLearningManyteachersbelievethattheresponsibilitiesforlearningliewiththestudent,ifalongreadingassignmentisgiven,instructorsexpectstudentstobe_____________(51)withtheinformationinthereadingeveniftheydonotdiscussitinclassor___________(5