度全国职称外语等级考试试卷及答案

2008年度全国职称外语等级考试试卷英语(理工类A级)第1部分：词汇选项(第1～15题，每题1分，共15分)

下面每个句子中均有1个词或短语划有底横线，请为每处划线部分确定1个惫义最为接近的选项。

1Withimmenserelief,stoppedrunning.

A．enormous

B．some

C．little

D．extensive

2Thescientistsbegantoaccumulatedata.a

A．handle

B．collect

C．analyze

D．investigate

3Jackeventuallyovertookthelasttruck

A．passed

B．hit

C．reached

D．led

4Sometimesitisadvisabletobookhotelsinadvance.

A．possible

B．profitable

C．wise

D．easy

5Thereasonfortheirunusualbehaviorremainsapuzzle

A．mystery

B．fact

C．statement

D．game

6Thatguyisreallywitty

A．ugly

B．smart

C．honorable

D．popular

7Theworldchampionsufferedasensationaldefeat.

A．dramatic

B．reasonable

C．humiliating

D．horrifying

8ItseemsthatonlyMaryiseligibleforthejob.

A．prepared

B．trained

C．guided

D．qualified

9ThispoemdepictsthebeautifulsceneryofatownintheSouth

A．praises

B．writes

C．describes

D．imitates

10Themeaningisstillobscure.

A．transparent

B．vague

C．alien

D．significant

11Dumpedwastemightcontaminatewatersupplies.

A．destroy

B．decrease

C．pollute

D．delay

12OnetheorypostulatesthattheancientFilipinoscamefromIndiaandPersia

A．expects

B．assumes

C．predicts

D．considers

13Itisverydifficultforachildtoadheretorules.

A．follow

B．remember

C．understand

D．learn

14IhopethatIdidn’tdoanythingabsurdlastnight.

A．awkward

B．strange

C．awful

D．stupid

15Thereshouldbelawsthatprohibitsmokingaroundchildren.

A．advocate

B．forbid

C．inherit

D．withdraw第2部分：阅读判断(第16～22题，每题1分，共7分)下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A;如果该句提供的是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。

GreenRoofResearch

Theconceptofgreenroofsisbasicallyaboutgrowingplantsonroofs，thushelpingtoreplacethegreenfootprintthathadbeendestroyedduetotheconstructionofthebuilding.Greenroofsarethemostprevalent(流行)inGermany，whichiswidelyregardedastheleaderingreenroofresearch.

Thegreenroofsthatareusedthesedayscanbeclassifiedas"extensive"and“intensive”systems.Extensivegreenroofsusemosses，grassesandherbs，whicharetoleranttodroughts.Theseplantsdonotneedmuchmaintenance，canbegrowninalayerofsubstrate(土层)thatcanbeasshallowas1.5inches，andgenerallyareinaccessibletothepublic.Incontrast.awiderangeofspeciesofplantsaregrownonintensivegreenroofs，suchasshrubs(灌木)andeventrees，whichrequiredeepersubstratelayers，andareusuallygrownonflatroofs.Theyneedintensivemaintenance,andareusuallyareasthatresembleparkswhichareaccessibletopeopleThereareseveralbenefitsofadoptinggreenrooftechnologies.Apartfromtheobviouspsychologicalandaesthetic(暮学的)benefitsofgarden—likeenvironmentssurroundingyou，someofthecommon‘economicandecologicalbenefitsare：areductionintheconsumptionofenergy;airandwaterpurification;recoveringgreenspaces;andthemitigation(缓解)oftheheatislandeffectinurbanareas.

Thegreenroofresearchthatiscurrentlyongoingisfocusedonevaluatingthespeciesofplantsthataresuitabletobegrownonroofs，themethodsofpropagation(繁殖)aswellasestablishment，nutrient(养料)andwaterrequirement，substrates，andthequantityandqualityofwaterrunoff.Theevaluationcriteriaofplantspeciesare：atwhatratetheycanbeestablished：theircapacitytowithstandinvasiveweeds;toleranceofcoldandheat;toleranceofdroughtconditions;capacityofpersistenceandsurvival.

Anumberofexperimentsarebeingconductedonroofplatformsimulationsatvariousresearchcenters.Thesesitesaregenerallyoutfittedwithequipment，whichareusedtomeasuretemperaturesatdifferentdepthsofthegrowingsubstrates，andtherateandvolumeoftherunoffofstormwatersfromeachoftheplatforms.

Greenrooftechnologyisrepresentativeofacompletelynewmarketforlandscapecontractors，andallroofsthatcurrentlyexistandthefutureonestobeconstructedarethepotentialmarket—amarketthatistoohugetobeoverlooked.

16.Itisestimatedthataround10percentoftheflatroofsinGermanyaregreen

A．RightB．WrongC．Notmentioned

17.Germanpeoplepreferextensivegreenroofsystemstointensiveones

A．RightB．WrongC．Notmentioned

18.Smallplantslikegrassesandherbsaregrownwidelyonintensivegreenroofs.

A．RightB．WrongC．Notmentioned

19.Greenroofisanecologicallysoundstrategyofspreadinggreeninurbanareas

A．RightB．WrongC．Notmentioned

20.Oneofthebenefitsofgreenroofsisthereductionoftheheatislandeffectincities

A．RightB．WrongC．Notmentioned

21.Onefocusinthegreenroofresearchistheevaluationofsuitableplantspecies

A．RightB．WrongC．Notmentioned

22.Althoughgreenrooftechnologycancreateagarden—likeenvironment，itspotentialmarketisrathersmall.

A．RightB．WrongC．Notmentioned第3部分：概括大意与完成句子(第23～30题，每题1分，共8分)下面的短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2～5段每段选择1个最佳标题;(2)第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项。TheSupercomputerNetwork1RecentlyTenlaboratoriesrunbygovernmentsindifferentpartsoftheworldhavebecomelinked.Theircomputershavebeenconnectedsotheycan“talk”toeachother.Thismaynotseemverydramaticnews，butitisthebeginningofadevelopmentthatwillincreasethepoweroftheInternettremendously.2TheInternetisaninterconnected(互联)systemofnetworksthatconnectscomputersroundtheworldandfacilitatesthetransmissionandexchangeofinformation.ThewaythatyouusetheInternetisbyaccessingthisnetwork.Thisdependsonthepowerthatyoursystemallowsyoutouse.Thepowerofyourcomputerisresponsibleforhowfastyoucandownload(下载)files，howmuchdatayoucanstore，etc.Ifyourcomputerisoldandslow.accessingtheinformationcanbeverydifficult.3Thenewdevelopmentininformationtechnologyhasbeencalled“thegrid”(网格技术)，anditwillbeanetworkofcomputersthatarelinkedtogether.The“grid”willworkinadifferentwayfromtheInternet，enablingyoutogetthepowerofthebiggestcomputersintheworldonyourcomputer.Accessingtheinformationwillnolongerdependonthepowerofyourcomputer.Theideaisthatwhileyouaccessinformation，youwillalsohaveaccesstothepowerofthebiggercomputerstations.4Oneadvantageofthisrevolutionaryideaisthatgeographicallocationwillbecomeirrelevant.The“grid”willdecidewhicharethebestpartsofaworldwidenetworktodothejobyouwant.ThismeansthatyoumaybeaccessingacomputerInJapantosolveaprobleminAlaska.5The“grid”canbecomparedtohavinganefficientpersonalassistant.Youcangiveyourassistantataskand“he”willdoitforyou.Theassistantwilldothepreliminaryresearch，collectthedata，comparethemanddecideonthebestcourseofactionbyaccessinganyofthecomputercentresinthe“grid”thathappentohavetherelevantinformation.Allyouhavetodoisassignthetask，sitbackandwait.6Atpresent，possibleapplicationsofthe“grid”inscientificresearcharebeingexplored.WhileithastakenaboutfifteenyearsforInternetusetobecomewidespread，expertsbelievethatthe“grid”couldbeupandrunningforprivateindividualsfarmorequickly.Scientistsworkingon“grid”projectsareconvincedthatitwillbeaswidelyusedasthewebinthenexttenyears.23Paragraph2_________24Paragraph3_________25Paragraph4_________26Paragraph5_________27Traditionallythepowerofyourcomputerdetermineshowfastyoucanaccess__________.28The“grid’’willenableyoutogetonyourcomputerthepowerof_________intheworld.29The“grid”wouldbelike__________,whocanperformyourtasksefficiently.(examda)30Itisbelievedthatthewidespreaduseofthe“grid”willbecomepossibleinthenext________.第4部分：阅读理解(第31-45题，每题3分，共45分)下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。第一篇CentersoftheGreatEuropeanCitiesThecentersofthegreatcitiesofEuropearemeetingplacesbytraditionpeoplegathertheretodrinkcoffeeandchatlateintothenight.Amixtureoflocalsandtouristsmakefor’anexciting，metropolitanatmosphere.Squares，plazas(广场)andarcades(拱廊)formtheheartofEurope’scitiesVeniceinItalyhasthePiazzaSanMarco—abeautifulsquaresurroundedbysn0Ps，churches，restaurantsandcafes.InBarcelona，Spain，LaBosqueriaisalivelymarketwithhundredsofstallssellingallkindsofgoods.London’sCoventGardenISfilledwithfruitandvegetablestallsbydayandmusicians，acrobats(杂技演员)andartistsbynight.Thegovernmentbuildingsatthecenterofmanycitiesoftenarearchitecturallyimpressive•InLondon，theserveasabeautifulbackdrop(背景)tothecoffeetablesthatlinethestreetsandthebanksoftheThames.Thesevibrant(有活力的)heartsaretheproductofcenturiesofevolution，socialhistorianJoelGarreautoldUSNewsandWorldReportrecently.“ThereasonpeoplethinkVeniceissogreattodayisyoudon’tseeallthemistakes，”saidGarreau”lhosehaveallbeenremoved.”MostEuropeancitieswerelaidoutbeforetheinventionofthecar,sobars,restaurantsandcaf6swereneartopeoplehomesTodaythefocusofmanyEuropeans，lifehasmovedawayfromthecenters.TheyliveinthesuburbsandOutskirts.drivingtosupermarketstogettheirsupplies.Butonacontinentwherepeopletreasureconvention，therearestillthosewhoholdontotraditionalways，lingandshoppinglocally.Thesepeople，togetherwithtourists，providethecitycenterswiththeirreasonforexistence.CoffeecultureplaysapartinkeepingthesecitycentersflourishingthisisparticularlytrueofPariswhosecitizensarefamousenthusiasticconversationalists.this‘sskillisdevelopedovermanyhoursspentchattingoverespressos(浓咖啡)andcigarettes.Religionalsoplaysaroleindevelopingsociableatmosphere.PeopleinRomanCatholiccountriesusedtovisittheChurchonanalmostdailybasis.Entirecommunitieswouldgatherinthesamebuildingandthenmoveouttothemarkets，cafesandbarsInthesurroundingstreets.AnenormousexampleofthisrelationshipbetweenchurchandsocietyistheDuomo.ThehugemarblecathedralinFlorence，Italyissurroundedbybakeriesandcoffeeshops，andcatersnotonlytothetouristcrowds，butalsothelocalcommunity.31.ItcanbeinferredfromthefirstparagraphthateachbigcityinEuropeA.hasmanylargesquares.B.hasmanyverymagnificentsky-scrapers.C.hasacenterwheretouristsmeettheirspouses.D.drawstouristsinlargenumberseveryyear.32.WhichstatementisNOTtrueofCoventGarden?A.Itiscrowdedwithpeople.B.ItislocatedinLondon.C.Itissurroundedbyshops,churches,restaurantsandcafesD.Itisfilledwithstalls.33.WhydopeoplethinkthatVeniceissogreat?A.Becauseitisafamoustouristattraction.B.Becauseyoucanreachanywherebyboat.C.Becauseallthemistakeshavebeenremoved.D.Becauseitiswell-knownforitsmerchants.34.WhatareParisiansfamousfor?A.Theirenthusiasmforconversation.B.Theirpursuitofindependence.C.Theirabilitytokeepthecityflourishing.D.Theirdevotiontodevelopingamultipleculture.35.ThewritercitestheDuomointhelastparagraphasanexampletoillustratethatA.allchurchesaremagnificent.B.thereisatightlinkbetweenchurchandsociety.C.oldchurchesareverypopular.D.high-risechurchesareimpressive.第二篇Real-WorldRobotsWhenyouthinkOfarobot，doyouimagineashiny,metallicdevicehavingthesamegeneralshapeasahumanbeing，performinghumanlikefunctions，andrespondingtoyourquestionsinamonotone(单调的)voiceaccentuated(强调)byhigh-pitchedtonesandbeepsThisisthewaymanyofUSimaginearobot，butintherealworldarobotisnothumanoidatall.instead，arobotoftenisavoiceless,box-shapedmachinethatefficientlycarriesOutrepetitiveordangerousfunctionsusuallyperformedbyhumans.Today"srobotismorethananautomaticmachinethatperformsonetaskagainandagain.Amodernrobotisprogrammedwithvaryingdegreesofartificialintelligence，thatis，arobotcontainsacomputerprogramthattellsithowtoperformtasksassociatedwithhumanintelligence，suchasreasoning，drawingconclusions，andlearningfrompast.Arobotdoesnotpossessahumanshapeforthesimplereasonthatatwo-leggedrobothasgreatdifficultyremainingbalanced.Arobotdoes，however，movefromplacetoplaceonwheelsandaxles(轮轴)thatrollandrotate.Arobotevenhaslimbsthatturnroundandmoveincombinationwithjointsandmotors.Tofinditswayinitssurroundings,arobotutilizesvariousbuilt-insensors.Antennaeattachedtotherobot'sbasedetectanythingtheybumpinto.Iftherobotstartstoshakeasitmovesonanincline，agyroscope(陀螺仪)insideitsensestheverticaldifferential.TOdetermineItsdistancefromanobjectandhowquicklyitwillreachtheobject，therobotbouncesbeamsoflaser.lightandultrasonicsoundwavesoffobstructions(障碍物)initspath.Theseandothersensorsconstantlyfeedinformationtothecomputer，whichthenanalyzestheinformationandcorrectsoradjuststherobot’sactions.Asscienceandtechnologyadvancetherobottoowillprogressinitsfunctionsanduseofartificialintelligenceprograms.36ThewriterbeginsthepassagebycomparingA.areal-liferobotwithafictionalrobot.B.theshapeofahumanbeingwithabox.C.animaginarymachinewithahuman.D.arobotwithacomputerprogram.37Theword“humanoid”inParagraph1meansA.lackinghumanfeelings.B.lackinghumancharacteristics.C.havingahumanformandcharacteristicsD.lackinghumanintelligence.38Accordingtothefirstparagraph，artificialintelligenceisA.theunnaturalwayinwhichrobotsmove.B.avoiceless，box—shapedmachinethatperformsrepetitivetasksC.acomputerprogramthatimitateshumanintellectualprocessesD.asensorthatdetectstroublesinarobot.39ThelastparagraphsuggeststhatfuturerobotswillA.surpasshumanbeingsinintelligence.B.bemorehumanlikeinbehaviorandaction.C.usealasertotransmitinformation.D.willperformverycomplicatedhouseholdjobs.40AnothergoodtitleforthispassagewouldbeA.Robots：TakingthePlaceofHumans.B.ArtificialIntelligencePrograms.C.Modern—DaySensors.D.Today’SRobotsandHowTheyFunction第三篇WhyHumansWalkonTwoLegsAteamofscientiststhatstudiedchimpanzees(黑猩猩)trainedtousetreadmills(跑步机)hasgatherednewevidencesuggestingthatourearliestapelikeancestorsstartedwalkingontwolegsbecauseitrequiredlessenergythangettingaroundonallfours.Michaelsockol,researcherofUCDavis,workedfortwoyearstofindananimaltrainerwillingtocoax(劝诱)adultchimpstowalkontwolegsandtowalkonallfours.Thefivechimpsalsoworefacemasksusedtohelptheresearchersmeasureoxygenconsumption.Whilethechimpsworkedout,thescientistscollecteddatathatallowedthemtocalculatewhichmethodoflocomotion(移动)usedlessenergyandwhy.Theteamgatheredthesameinformationforfouradulthumanswalkingonatreadmill.Theresearchersfoundthathumanwalkingusedabout75percentlessenergyandburned75percentfewercaloriesthanquadrupedalandbipedalwalkinginchimpanzees.Theyalsofoundthatforsomebutnotallofthechimps,walkingontwolegswasnomorecostlythanonallfours."Wewerepreparedtofindthatallofthechimpsusedmoreenergywalkingontwolegs-butthatfindingwouldn'thavebeenasinteresting,Sockolsaid."whatwefoundwasmuchmoretelling.Forthreechimps,bipedalismwasmoreexpensive,butfortheothertwochimps,thiswasn'tthecase.OnespentaboutthesameenergywalkingontwolegsasonallfoursTheotherusedlessenergywalkingupright。"Thesetwochimpshaddifferentgaits(步法)andanatomy(解剖)than'theirquadrupedalpeers.Takentogether,thefindingsprovidesupportforthehypothesisthatanatomical(解剖学的)differencesaffectinggaitexistedamongourearliestapelikeancestors,andthatthesedifferencesprovidedthegeneticvariationwhichnaturalselectioncouldactonwhenchangesintheenvironmentgavebipedsanadvantageoverquadrupeds.FossilandmolecularevidencesuggeststheearliestancestorsofthehumanfamilylivedinforestedareasinequatorialAfricainthelateMioceneera(中世纪)some8to10millionyearsago,whenchangesinclimatemayhaveincreasedthedistancebetweenfoodpatches~Thatwouldhaveforcedourearliestancestorstotravellongerdistancesonthegroundandfavoredthosewhocouldcovermoregroundusinglessenergy."Thisisn'tthecompleteanswer,"Sockolsaid."Butit'sagoodpieceofapuzzlehumanshavealwayswonderedabout:Howandwhydidwebecomehuman?Andwhydowealonewalkontwolegs?"41.MichaelSockolandhisteamwereinterestedinA.wherehumanscamefrom.B.howchimpanzeescouldbetrainedtousetreadmills.C.whenourearliestancestorsbegantoliveinforestedareasD.whyourapelikeancestorscametowalkontwolegs.42.Thephrase"workedout'inparagraph3couldbereplacedbyA.calculated.B.exercised.C.understood.D.planned.43.Whatdidtheresearchersfindintheexperiment?A.OnechimpusedaboutthesameenergyinwalkingontwolegsasonallfoursB.Humanwalkingusedmoreenergythanbipedalwalkinginchimps.C.Twochimpsusedmoreenergywalkingontwolegs.降D解.军飘T牧h默r俭e字e咽屋c纸h睡i鱼m灵p选s监跳u具s女e卷d夫狗l午e裁s效s胁崖e挪n退e先r济g毁y钳尘w护a珠l磨k苏i酱n炭g吧膊o忧n佛宰t敬w收o帅汇l缸e摊g抵s旨.示草烦4柳4伞.闯佣T树h惊e动插w答o嘴r浙d速的"顿q四u痒a绣d讲r残u显p片e竿d翠s释"递肌i如n冤锹p叔a蒙r体a猫g晒r任a正p德h捎娘6做炒i茂s绩圆a蚊嫂t员e陆c伍h棋n陶i少c拥a妄l困倘w丽o吊r湖d夸战f闻o立r逝莫帐A帮.途满c围r弯e些a声t雁u流r沉e发s交慰w咬i努t谁h许支f舞o城u狡r行却f队e纹e蚂t蜡.滤逃引B倡.暗棚c捏r苗e架a薯t非u锋r晒e冒s温斩w显i继t垦h爹逮t冈w赠o获假f巷e贩e猾t趋.闭输顿C拘.槽爽c躬r寸e绵a赏t脱u虑r歼e刺s旅援w梁i货t销h板辣s油i膊x嫁赌f盟e晒e过t劝.爸调急D企.起煤c笔r老e架a赠t冷u创r忘e锣s铃枯w练i胳t恋h宁剖e头i刑g蜂h攀t述目f罚e做e罪t算.凝掌沙4畜5卷.关区W雾h默a情t怪摄d竿o授e茂s删钢f学o般s推s蛛i耻l蝇顷a不n本d救阳m挎o愚l岭e浑c沿u省l艘a泉r架秆e元v叮i边d线e拒n区c糟e西字t挽e许l葡l震缎u我s没剂a缩b补o遍u门t孟彻o尘u层r兴惹e炎a避r掏l伯i施e勾s政t皂罩a薪n收c闻e孝s宅t片o段r僵s或?盖劝至A察.备伟T报h云e铁y稍泛e稼x叨p颂e鹿r邮i交e杂n培c恨e洒d庭弓m糠o异r描e院众c坦l巷i腔m铲a芹t芳e鼻蜘c云h桐a乔n佳g蛛e为s盐柄t告h卡a消n惕菊w津e效赖d戒o讲栽t课o藏d向a美y说.前五帅B齐.希宪T手h率e往y姓棉w奥e午r新e猫包f江o于r迁c售e严d甲导t剂o脂白t我r近a糊v努e虎l智炒b讽e役t洁w丢e随e栋n泻遇f锣o曾o像d端邻p踏a砌t枯c洋h蹄e构s嘴.鼻粒赏C盈.材熄T盒h橡e滑y候扶c规o您u丘l警d典江c席o伤v述e权r烦额m暖o寇r胸e素筝g寿r包o哥u亭n冤d炸选w江i徐t做h雄酿l喷e恼s垫s魂眼e唐n泰e渡r援g剥y架.圾牲口D盾.诞僚T衬h岛e天y搬疫w怎e这r尝e蔑踪m灿u赚c搭h尤添t颈a消l奋l留e去r慈宏t厅h涉a录n杯副m所o队d织e途r筒n宗醋m海a要n昼.第5部分：补全短文(第46～50题，每题2分，共10分)下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。What，SLackingin“Sicko”?when.tcomestoeconomicdecisions，therearealwaystradeoffs(取舍)•Gain0nethingandyoulosesomethingelse._________(46)ThecentralargumentofMichaelMoore’smovie“Sicko”一thatthecuret0thenation，shealthcareproblemsisasingle—payersystem—ishardlynovelandIscertainlyworthconsideration，whetherornotyouagreewithit.ButincomparingtheAmericansystemwithsingle-payerplansofothercountries—Britain，France，CanadaandCubaMr.MooreleftOutthetrade-offs，characterizingthosecountriesashealthcareparadises.___________(47)KurtLoder,thefilmcriticwhoisbestknownastheanchor(主持人)of“MTVNews，”wroleacritique(批评)ofthefilmforMTV’swebsite."Sicko，"hesaid,"doesarealservice”inportraying(描绘)victimsofAmericaninsurancecompanies’-likethepeople，whodiedbecausetheironlytreatmentoptionswereconsidered“experimental"andthereforenotcovered._______(48)When"governmentsattempttoregulatethebalancebetweenalimitedsupplyofhealthcareandanunlimiteddemandforit，they’reinevitablyforcedtorationtreatment’Mr.Loderasserted.________(49)Mr.Lodercitedtheshortfilm“DeadMeat，”whichpresentsanecdotes(轶事)offailureIntheCanadiansingle-payersysteminitsone—sidedness，“DeadMeat'，mighthavemadeforanicedoublefeaturewith"Sicko,"andleftmovie-goerswithamorecompleteunderstandingOfthecomplicationsofdecidingonahealthcaresystem_____________(50)Thisallmakesanotherwise“emotionallycompellingfilmnotnecessarilyanintellectuallysatisfyingone，”wroteDarrenBarefoot，aCanadianblogger.(博各作者).AThisisparticularlytrueinhealthcare，amarketinwhichscarce(稀罕的)goodsareridiculouslyexpensive，butneededbyeverybodyBMr.Moorealsodecidedtoignoreproblemsinothercountries，likeFrance’ShightaxesandBritain’Scash—shorthospitalsCButthefilmasawhole，heconcluded，is“breathtakinglymeretricious(似是而非的)，”inlargepartbecauseofitscharacterizationsofothercountries’healthcaresystems.DTheproblemshavebeennoticed—andcriticismiscomingnotjustfromMr.Moore’Sdetractors(诋毁者).EHetickedoffanumberofnegativestatisticstocounterthepositiveonesofferedbyMr.MooreFHealthcareistheprevention，treatment，andmanagementofillness第6部分：完型填空(第51～65题，每题1分，共15分)下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。DebateovertheUseofRenewableEnergyAmusableofRockefellerUniversityinNewYork，USsaysthekeyrenewable(可再生的)energysources，includingsun，windandbibfuls,wouldallrequirevastamountsoflanddevelopeduptolargescaleproduction—unlikenuclearpower.Thatlandwouldbefarbetter________(51)alone，hesays.Renewablelook_______(52)whentheyarequitesmall.Butifwestartproducingrenewableenergyonalarge________(53),thefallout(结果)isgoingtobehorrible.Amusabledrawshisconclusionsbyanalyzingtheamountofenergythatrenewablenaturalgasandnuclei(原子核)can________(54)intermsofpowerpersquaremeteroflandused.Moreover，heclaimsthat_________(55)renewableenergyuseincreasesthismeasureofefficiencywaildec