大学英语六级改革适用（阅读）模拟试卷3（共195题）

大学英语六级改革适用（阅读）模拟试卷3（共9套）（共195题）大学英语六级改革适用（阅读）模拟试卷第1套一、仔细阅读(本题共20题，每题1.0分，共20分。)What'stheonewordofadviceawell-meaningprofessionalwouldgivetoarecentcollegegraduate?China?India?Brazil?Howabouttrade?WhentheCommerceDepartmentreportedlastweekthatthetradedeficitinJuneapproached$50billion,itsetoffanewroundofeconomicdoomsaying.Imports,whichsoaredto$200.3billioninthemonth,aresubtractedinthecalculationofgrossdomesticproduct.Thelargerthetradedeficit,thesmallertheGDP.Shouldsuchimbalancescontinue,pessimistssay,theycouldcontributetoslowergrowth.Butthere'sanotherwayoflookingatthetradedata.Overthepasttwoyears,thefiguresonimportsandexportsseemnottosignaladouble-diprecession—areneweddeclineinthebroadlevelofeconomicactivityintheUnitedStates—butaneconomicexpansion.Therisingvolumeoftrade—moregoodsandservicesshuttlinginandoutoftheUnitedStates—isgoodnewsformanysectors.Companiesengagedinshipping,trucking,railfreight,delivery,andlogistics(物流)haveallbeenreportingbetterthanexpectedresults.Therisingnumberssignifygrowingvitalityinforeignmarkets—whenweimportmorestuff,itputsmorecashinthehandsofpeoplearoundtheworld,andU.S.exportsarerisingbecausemoreforeignershavetheabilitytobuythethingsweproduceandmarket.Therisingtideoftradeisalsogoodnewsforpeoplewhoworkintrade-sensitivebusinesses,especiallythosethatproducecommoditiesforwhichglobaldemandsetstheprice—agriculturalgoods,mining,metals,oil.Andwhileexportsalwaysseemtolag,U.S.companiesarebecomingmoreinvolvedintheglobaleconomywitheachpassingmonth.GeneralMotorssellsasmanycarsinChinaasinAmericaeachmonth.Whilethatmaynotdomuchforimports,itdoeshelpGM'sbalancesheet—andhencemakesthejobsofU.S.-basedexecutivesmorestable.OnegreatchallengefortheU.S.economyisslackdomesticconsumerdemand.Americansarepayingdowndebt,savingmore,andspendingmorecarefully.That'stobeexpected,givenwhatwe'vebeenthrough.Butthere'sabiggerchallenge.CanU.S.-basedbusinesses,largeandsmall,figureouthowtogetapieceofgrowingglobaldemand?UnlessyouwanttopickupandmovetoIndia,orBrazil,orChina,thebestwaytodothatisthroughtrade.Itmayseemobvious,butit'snolongerenoughsimplytodobusinesswithourfriendsandneighborshereathome.Companiesandindividualswhodon'thaveastrategytoexportmore,ortogetmoreinvolvedinforeignmarkets,ortoplayaroleinglobaltrade,areshuttingthemselvesoutofthelion'sshareofeconomicopportunityinourworld.1、HowdopessimistsinterprettheU.S.tradedeficitinJune?A、ItreflectsAmericans’preferenceforimportedgoods.B、ItsignifiesachangeinAmericaneconomicstructure.C、ItistheresultofAmerica’sgrowingfocusondomesticmarket.D、Itcouldleadtoslowergrowthofthenationaleconomy.标准答案：D知识点解析：细节题。根据题目中pessimists和theU．S．tradedeficitinJune可定位至文章第二段，根据第二段内容WhentheCommerceDepartmentreportedlastweekthatthetradedeficitinJuneapproached$50billion，itsetoffanewroundofeconomicdoomsaying…Shouldsuchimbalancescontinue，pessimistssay，theycouldcontributetoslowergrowth．(据上周商务部报道，六月份的贸易逆差接近500亿美元，这引起了新一轮对经济绝望的预言……悲观者称，如果这种不平衡继续下去，那么它们会导致更缓慢的增长速度。)可知，悲观者认为六月份的贸易逆差会导致国内经济增长更缓慢。因此，正确答案是D。2、Whatdoestheauthorsayaboutthetradedataofthepasttwoyears?A、ItindicatesthateconomicactivitiesintheU.S.haveincreased.B、ItshowsthatU.S.economyisslippingfurtherintorecession.C、Itsignalsdecreasingdomesticdemandforgoodsandservices.D、Itreflectsthefluctuationsintheinternationalmarket.标准答案：A知识点解析：推断题。根据题目中thetradedataofthepasttwoyears可定位至文章第三段，根据第三段内容Overthepasttwoyears，thefiguresonimportsandexportsseemnottosignaladouble-diprecession--areneweddeclineinthebroadlevelofeconomicactivityintheUnitedStates--butaneconomicexpansion．(在过去的两年里，进出口数据好像并没有发出双重衰退的信号——在广义层面上，美国经济活动不是再次衰退——而是一次经济扩张。)可知过去两年的经济数值表明美国经济有所增长。因此，正确答案是A。3、Whoparticularlybenefitfromtherisingvolumeoftrade?A、Peoplewhohaveexpertiseininternationaltrade.B、Consumerswhofavourimportedgoodsandservices.C、Producersofagriculturalgoodsandrawmaterials.D、Retailersdealinginforeigngoodsandservices.标准答案：C知识点解析：细节题。根据题目中therisingvolumeoftrade可定位至文章第四段，根据第四段最后一句Therisingtideoftradeisalsogoodnewsforpeoplewhoworkintrade-sensitivebusinesses，especiallythosethatproducecommoditiesforwhichglobaldemandsetstheprice--agriculturalgoods，mining，metals，oil．(贸易呈增长趋势对于那些在贸易敏感行业工作的人来说也是好消息，尤其是对于那些由世界需求来决定商品价格的生产商来说更是好事——包括农产品、矿产、金属和石油等生产领域。)可知，贸易额上涨对于农产品和原材料生产领域最有利。因此，正确答案是C。4、WhatisoneofthechallengesfacingtheAmericaneconomy?A、Competitionfromoverseas.B、People’sreluctancetospend.C、Slacktradeactivities.D、Decreasingproductivity.标准答案：B知识点解析：细节题。根据题目中thechallengesfacingtheAmericaneconomy可定位至文章第七段，根据第七段前两句OnegreatchallengefortheU．S．economyisslackdomesticconsumerdemand．Americansarepayingdowndebt，savingmore，andspendingmorecarefully．(对于美国经济而言，一个重大挑战就是国内消费需求疲软。美国人正在还债、存钱，花钱也更小心。)可知美国面临的一大挑战是美国人民不愿消费。因此，正确答案是B。5、Whatistheauthor’sadvicetoU.S.companiesandindividuals?A、Toimportmorecheapgoodsfromdevelopingcountries.B、Tomovetheircompaniestowherelaborischeaper.C、Toincreasetheirmarketshareoverseas.D、Tobealerttofluctuationsinforeignmarkets.标准答案：C知识点解析：推断题。文章最后一段作者对个体户和企业提出了建议，即Companiesandindividualswhodon’thaveastrategytoexpoftmore，ortogetmoreinvolvedinforeignmarkets，ortoplayaroleinglobaltrade，areshuttingthemselvesoutofthelion’sshareofeconomicopportunityinourworld．(那些没有扩大出口战略，或者更多地参与国外市场去的战略，或者在全球贸易中充当角色的策略的个人和公司，都等于放弃了这个最大份额的全球经济发展的机会。)由此可知，作者建议公司和个体户增加海外市场份额。因此，正确答案是C。HuaweihasmadeitsfirstequityinvestmentinaBritishtechnologycompanyastheChinesenetworkingandtelecommunicationsgrouplookstogrowitsoperationsintheUKwhilefacinghostilityinothermarketsaroundtheworld.TheChinesecompanyisamongagroupofcorporateinvestorsthatincludesBosch,theGermanindustrialsupplier,andXilinx,anAmericantechnologymaker,whichhastakena"strategic"stakeinXMOS,aBristol-basedsemiconductorcompany.Thetriohasjoinedina$26mfundingroundinthechipdesigner.PeoplefamiliarwiththedealsaidtheinvestmentvaluesXMOSatover$100m.Thecompanydeclinedtocomment.OnepersonfamiliarwiththeChinesegroupsaidithascreatedateamdedicatedtoseekingsimilarinvestmentopportunitieswiththeaimofmakingtwosuchdealsayearinEurope.Huawei'sexpansionplanshaveoftenbeenmetwithsuspicionaroundtheworld.InOctober2012,aUScongressionalreportbrandedHuaweiandZTE,itssmallerChinesepeer,athreattonationalsecurity.Huaweihasstruggledtogainagreaterfootholdinsomecountriesbecauseofconcernsoverthemilitarybackgroundofitsfounder,RenZhengfei,aformerPeople'sLiberationArmyofficer.AuthoritiesinIndiahavevoicedconcernswhileithasbeenblockedfrombiddingonsomecontractsinGermanyandAustralia.HuaweihasalwaysmaintaineditisindependentfromtheChinesegovernment.Britainhasprovidedawarmerwelcome.In2012,DavidCameron,primeminister,saidthatHuawei'scommitmenttoinvest￡1.3bnintoitsoperationsinthecountryprovedthattheUKis"openforbusiness".HuaweihaspreviouslyboughttwoEuropeancompanies—CIPTechnologiesintheUKin2012andBelgium'sCaliopain2013—thoughfinancialtermsforthosedealswerenotreleased.Thisyear,thecompanysaiditwillinvest￡10minUKuniversityresearchandhasplanstoopenaresearchanddevelopmentcentreinBristol.XMOS,asemiconductordesignerfoundedin2005,hasparticularexpertiseinhigh-performancechipsusedforproductsinthe"internetofthings",suchaspersonalelectronicsandhomeapplianceswhichareembeddedwithsensorsabletoconnecttotheinternet.NigelToon,XMOSchiefexecutive,saidthatthenewinvestmentwouldallowittoestablishstrongtieswithcompanieslikeHuaweiandBosch,groupsthatarealsolikelytobelargecustomersinthefuture."Thisisamassiveopportunitytohaveclosecontactwiththesecompaniesandbuildabigbusiness,"saidMrToon.StevenChu,chiefstrategyofficerandvice-presidentatHuawei'ssilicondivision,said:"WehaveaveryhighregardfortheteamatXMOSandwillbeworkingcloselywithdiemonanumberofexcitingnewprojects."6、Whatdoesthefirstparagraphimply?A、ThemarketofHuaweiisnotwide.B、BritainwelcomestheinvestmentofHuawei.C、Huaweihasn’tinvestedinBritain.D、ThenetworkingandtelecommunicationsinBritainarenotwell-developed.标准答案：B知识点解析：主旨题。题干指明将答案定位在第一段，第一段讲到，“华为向一家英国科技公司进行了首次股权投资，面对全球其他市场的敌意。这家中国的网络和电信集团寻求在英国扩张业务”，抓住该句主干“华为计划在英国投资”，而其原因在于全球其他市场的敌意，联系下文可知。华为的扩张计划经常在世界各地遭到猜疑，而英国“向商业开放”，给予了更为热情的欢迎。由此可知，英国欢迎华为的投资，B项符合。7、WhydidHuaweimaintainitisindependentfromtheChinesegovernment?A、BecauseHuaweidon’twanttodevelopinChina.B、BecausemostemployersofHuaweiarenotfromChina.C、Becausethemilitarybackgroundofitsfounderhasposedanegativeeffect.D、BecauseHuaweiworriesaboutgettinginvolvedinpoliticalissues.标准答案：C知识点解析：推断题。根据题干中的“HuaweimaintainitisindependentfromtheChinesegovernment”可定位至第五段．根据该段第一句“Huaweihasstruggledtogainagreaterfootholdinsomecountriesbecauseofconcemsoverthemilitarybackgroundofitsfounder，RenZhengfei，aformerPeople’sLiberationArmyofficer”，可知，因为华为创始人任正非曾任解放军军官，即与中国政府联系密切，于是很多国家拒绝与其合作，可见，华为始终坚称自己独立于中国政府，正是因为其创始人的解放军军官身份影响了它的发展。C项符合。8、Whatarethehigh-performancechipsusedforproductsinthe"internetofthings"producedbyXMOS?A、Personalelectronicswithsensorsareabletoconnecttotheinternet.B、Therefrigeratorwithsensorsareabletoconnecttotheinternet.C、Theair-conditionerwithsensorsisabletoconnecttotheinternet.D、Theelectromobilewithsensorsisabletoconnecttotheinternet.标准答案：D知识点解析：细节题。根据题干中的“thehigh-performancechips”可定位至第九段，根据第九段内容“XMOS…．，hasparticularexpertiseinhigh-performancechipsusedforproductsinthe“internetofthings”，suchaspersonalelectronicsandhomeapplianceswhichareembeddedwithsensorsabletoconnecttotheinternet．”可知，XMOS生产的用于“物联网”产品的高性能芯片的产品包括有可联网传感器的个人电子产品及家用电器，A项属于有可联网传感器的个人电子产品，B、C项属于有可联网传感器的家用电器。而D项所指的“有可联网传感器的电动车”，不属于其产品范围。9、WhatistheadvantageofthenewinvestmentofHuaweiaccodingtoNigelToon?A、Itprovidesagoodopportunitytobuildabigbusinesswithlargecompanies.B、ItcanhaveclosecontactwithChinesegovernment.C、ItmaybegoodforstabilizingBritishnationaldefense.D、ItmeansanadditionofpowerfulforcetoconfrontwithBritain.标准答案：A知识点解析：细节题。根据题干中的“NigelToon”可定位至倒数第二段。根据该段最后一句“‘Thisisamassiveopportunitytohaveclosecontactwiththesecompaniesandbuildabigbusiness，’saidMrToon．”可知，NigelToon认为此次投资是一个与大公司建立密切联系、扩大生意的好机会。A项符合。其他选项属于“无中生有”。10、Thebesttitleofthepassagemaybe______.A、HuaweiCooperateswithXMOSB、HuaweiBacksBritishtechcompanyXMOSC、HuaweiistoExpanditsMarketD、HuaweiInvestsinBritain标准答案：B知识点解析：主旨题。本文主要讲述了华为向英国科技公司XMOS进行了首次股权投资，接着讲到当华为的扩张计划经常在世界各地遭到猜疑时，英国则给予了更为热情的欢迎，因为英国“向商业开放”，该项投资也益处颇丰。综合来看。本文的关键词为“华为”“英国”“XMOS”，B项包含这些关键词且符合文意。因而选择B。LGDisplay,theworld'ssecond-biggestflat-paneldisplaymaker,isbettingbigonlarge-scaleOLEDtelevisionpanels,brushingasideindustryscepticismaboutthechancesofthetechnologydisplacingmainstreamliquidcrystaldisplay.OLED,ororganiclight-emittingdiode,panelsuseultra-thin,lightertechnologytoproducehigherpicturequalityandlowerpowerconsumptionthanLCDscreens.TheyfeatureonSamsungElectronics'Galaxysmartphonesandtablets.LGaimstostealamarchinthepotentiallylucrativemarketoncrosstownSouthKoreanrivalandworldleaderSamsungDisplay,whichisinsteadfocusingonimprovingLCDpanelsforultrahigh-definitionTVs.ThedivergingstrategiesreflectthemixedviewsaboutthefutureofOLEDtechnology,longtoutedbyindustrywatchersasapotentialgame-changerforthe$94bnglobalTVindustrybutwhichremainscloudedbydoubtsaboutitscommercialvaluebecauseofhighproductioncostsandtechnologicalchallenges.BehindLG'saggressiveinvestmenttoexpandOLEDproductioncapacityliesthebeliefthatdemandforOLEDTVswilltakeoffoncetheyaremoreaffordable."LCDhasnofuture.TheChinesecanmakeevenultrahigh-definitionTVsatlowercosts,"saysOhChang-ho,seniorvice-presidentofLG'sOLEDTVdevelopmentdivision."Wecannotwinthispricewar.Forsurvival,wehavetomakeproductsthattheycannotmake."Sonylaunchedtheworld'sfirstcommercialOLEDTVin2007buttheJapanesecompanywassurpassedbyKoreanrivals.However,massproducinglargeOLEDTVsisdifficultandmorecostly.SamsungandLGrolledout55-inchfull-HD(highdefinition)curvedOLEDTVslastyearbuttheheftypricetag—roughly$15,000—deterredconsumers.LGreckonsitisfinallyinapositiontocutcosts,thankstobreakthroughstoboostproductionefficiencyandresolvecolourdistortions.Itplanstointroducecurvedultrahigh-definitionOLEDTVsaslargeas77inchesthisyear.ThecompanyisconvincedOLEDcanbreathenewlifeintoconsumerdemandbecausethetechnology,bestsuitedforflexibledisplay,allowsTVstobemadeinallsortsofshapes.OLEDpanelsareeasiertobendthanLCDsbecausetheyworkwithoutabacklight.LGhasrecentlydevelopedan18-inchTollableOLEDpanelaswellasthesame-sizetransparentOLEDpanelandisconfidentthatitcandevelopanUltraHDflexibleandtransparentOLEDpanelofmorethan60inchesby2017.ButLGisintheminoritywithitsconfidenceinthebuddingtechnology.ItsrivalsremainsidelinedbyconcernsthatOLEDmaygothewayofplasma—oncepromisingtechnologythathasbeenexpensivetodevelopandultimatelynotwidelyadopted.SamsungDisplayhasoptedtopushthetechnologicalboundariesofLCDpanelswithhigh-marginultrahigh-definitionTVscapableofdisplayingfourtimestheresolutionofexistingHDTVs.11、ComparedwithLCDscreens,OLEDhasfollowingadvantagesexcept______.A、PanelsofOLEDuseultra-thinandlightertechnologyB、PanelsofOLEDproducehigherpicturequalityC、TheproductionofOLEDcostsmorethanLCDD、OLEDhaslowerpowerconsumption标准答案：C知识点解析：细节题。根据题目OLED和advantages可定位至文章第二段，根据第二段第一句OLED，ororganiclight-emittingdiode，panelsuseultra—thin，lightertechnologytoproducehigherpicturequalityandlowerpowerconsumptionthanLCDscreens．可知A、B、D三项都属于OLED的优点，因此与LCD相比，成本更高并非OLED的优势。12、WhydopeopleholdmixedviewsaboutthefutureofOLEDtechnology?A、BecausetheproductionofOLEDcoststoomuch.B、BecauseOLEDisconfrontedwithmanytechnologicalchallenges.C、BecausemanyindustrywatchersspeakhighlyofOLEDtechnology.D、Becausepeopleappreciatethetechnologybutdoubtitscommercialvalue.标准答案：D知识点解析：细节题。根据mixedviews和thefutureofOLEDtechnology可定位至文章第四段．根据第四段内容longtoutedbyindustrywatchersasapotentialgame—changerforthe$94bnglobalTVindustrybutwhichremainscloudedbydoubtsaboutitscommercialvalue…(长期以来，业内观察家对OLED技术大加赞扬，称这种技术可能会改变940亿美元规模的全球电视制造业。然而，这种预期由于人们对其商业价值的疑虑而一直不甚明朗……)可知，人们既欣赏OLED技术，又质疑其商业价值，因此产生喜忧参半的态度。D项符合原文文意，故正确。A、B、C项都只涉及了人们质疑的一面。比较片面。因此，正确答案是D。13、Thephrase"rolledout"(Line3,Para.7)canbereplacedby______.A、gotoutB、spreadC、launchedD、tumbled标准答案：C知识点解析：语义题。“rollout”有“铺开；滚出；推出(新产品)”之意，联系上下文推知，“三星和LG”与“55英寸的全高清曲面OLED电视”应该是“发行，推出”的关系。选项中，C项launched意为“发行”，符合文意，故正确。14、WhatisthenewlifeintoconsumerdemandaccordingtoLGCompany?A、Thehigherpicturequality.B、ThefeaturethatOLEDpanelsareeasiertobend.C、Thelowerpowerconsumption.D、ThelargesizeofOLEDscreens.标准答案：B知识点解析：细节题。根据题目中的thenewlifeintoconsumerdemand可定位至文章第九段．根据ThecompanyisconvincedOLEDcanbreathenewlifeintoconsumerdemandbecausethetechnology，bestsuitedforflexibledisplay，allowsTVstobemadeinallsortsofshapes．(LG确信OLED会为消费者需求注入新的活力，因为这种最适合软性显示器的技术令电视能做成各种形状。)可知LG公司认为，OLED更易弯曲的特性为消费者需求注入新的活力。因此，B项正确。15、Whatisauthor’sattitudetowardsOLED?A、Neutral.B、Approving.C、Disapproving.D、Radical.标准答案：A知识点解析：态度题。本文主要讲述了业界人士对于(LGDisplay)为制造(OLED)电视平板显示器投入重注的情况，既提到了OLED这一产品的优点和业内人士的赞赏，也讲到了有人质疑其商业价值的事实，作者只是客观叙述，因此可判断，作者持中立态度。故A项正确。Twonewstudiesoffersignsthatthiscouldbechangingquickly.Oneoffersanewwaytoproducesolarcellsmorecheaplyandsafelythancurrentmethods.Theotherindicatesthatconcentratingsolarpower,whichusesthesun'senergytoheatupaliquidthatdrivesaturbine,couldsupply"asubstantialamountofcurrentenergydemand."InastudyreleasedWednesdayinjournalNature,UniversityofLiverpool'sJonMajorandseveralotherresearchersannouncedthattheyhadfoundthatmagnesiumchloride,whichisusedinmakingtofu,bathsaltsandappliedtoroadsinthewintercouldreplacecadmiumchlorideinthemakingofsecond-generation,thin-filmsolarcells.SpeakinginateleconferencefromCopenhagen,Majorsaidmagnesiumchloride,whichisextractedfromseawater,wouldcost$0,001pergramcomparedto$0.3forcadmiumchloride.Itwouldalsoeliminatethechallengesandexpenseofhandlingcadmiumchloride,ahighlytoxiccompoundthatrequireselaboratesafetymeasurestoprotectworkersduringitsmanufactureandaspecialdisposalprocesswhenpanelsarenolongerneeded."Sowhatwehavedonewithoutanylossofefficiencyistoreplaceexpensiveandhighlytoxicmaterialwithonethatiscompletelybenignandmuchlowerincostintheprocess,"Majorsaid."Thisoffersagreatcostbenefitforproductionofthesekindsofsolarcellsandcouldhelpmakeastepchangeintheproductionofthem."Thesolarmarketiscurrentlydominatedbypanelsmadewithsilicon.Inabidtomakesolarmorecompetitive,thereisgrowinginterestfromcompanieslikeFirstSolarindevelopingsolarcellsusingcadmiumtelluride,whichismoreefficientandmoreflexiblesoitcouldbeappliedmanymoresurfacesincludingwindows.Tomakethesecadmiumtelluridecells,athinlayerofcadmiumchlorideisappliedtothesolarcell,andthenheatedupinafurnace.Thisisconsideredtheactivationprocess,Majorsaid,helpingtoboostacell'sefficiencyfromaround1percenttoasmuchas20percent.Inabidtofindasaferalternative,Majorandhisteamfirstlookedatsodiumchloride,butfoundtheefficiencywasabouthalfofcadmiumchloride.Anotheroptionwasdifluorochloromethanebutthathasbeenlinkedtoozonedepletionanditsusehasbeenrestrictedbyinternationalagreements.Theythenturnedtomagnesiumchlorideandfoundthatitwasjustasefficientascomparableandcouldbeappliedwithoutanyexpensivesafetyequipment.Majorsaidmagnesiumchlorideisn'tbeingusedatthemoment,butwashopefulit"wouldbetakenupbyresearchandhopefullybyindustryoncethisworkispublicized."SteveKrum,thedirectorofcorporatecommunicationsforFirstSolar,wouldonlysaycadmiumchlorideremains"criticalpart"ofitsproductionprocessandthatitwasnota"majorcostdriverinourmanufacturingprocess."16、Whatdoes"anewwaytoproducesolarcellsmorecheaplyandsafelythancurrentmethods"inthefirstparagraphreferto?A、Usingcadmiumchlorideasmaterialtoproducesolarcells.B、Usingmagnesiumchlorideasmaterialtoproducesolarcells.C、Usingsodiumchlorideasmaterialtoproducesolarcells.D、Usingdifluorochloromethaneasmaterialtoproducesolarcells.标准答案：B知识点解析：推断题。本文主要讲述了氯化镁有望取代氯化镉成为制造太阳能电池的材料这一研究发现，因为氯化镁更廉价，而且清洁无毒害，效率也与氯化镉相当，同时，它比其他材料更具优势，这符合题目中morecheaplyandsafelycurrentmethods的条件．因此，正确答案是B。17、Whichofthefollowingisnotthereasonwhycadmiumchlorideisreplacedbymagnesiumchloride?A、Magnesiumchlorideischeaperthancadmiumchloride.B、Magnesiumchloridehasnopoison.C、Theefficiencyofmagnesiumchlorideisashighascadmiumchloride.D、Magnesiumchloridecanproducemoreefficiencythancadmiumchloride.标准答案：D知识点解析：细节题。第四段第一句讲到“Sowhatwehavedonewithoutanylossofefficiencyistoreplaceexpensiveandhighlytoxicmaterialwithonethatiscompletelybenignandmuchlowerincostintheprocess．”即所以。我们完全可以用一种完全良性而且成本低得多的物质来取代这种昂贵且带有剧毒的原料。而且无需承受任何效率损失。联系上下文可知，此处的one指的是氯化镁，由此可知，氯化镁无毒害、更廉价、效率与氯化镉相当，因而可以取代昂贵而有剧毒的氯化镉。A、B、C都符合文意。D项意为“氯化镁比氯化锅效率更高”，显然错误。因此，不能构成原因。18、Theword"benign"(Line2,Para.4)maybereplacedby______.A、sweetB、humaneC、nontoxicD、amiable标准答案：C知识点解析：推断题。第三段讲到氯化镁远低于氯化镉，接着继续讲到氯化镁的优点，即Itwouldalsoeliminatethechallengesandexpenseofhandlingcadmiumchloride．ahighlytoxiccompoundthatrequireselaboratesafetymeasurestoprotectworkers…(此外，它还能够消除处理氯化镉的挑战和费用——氯化镉是一种剧毒化合物．需要复杂的安全措施来保护生产工人……)，由此可知氯化镁是一种无毒的物质，而第四段第一句提及的正是氯化镁的优点，与benign并列的是muchlowercost。因此可推知，benign在此处意为“无毒的”(nontoxic)。19、Whydomanycompaniesbecomemoreinterestedindevelopingsolarcellsusingcadmiumtelluride?A、Becausecadmiumtellurideismoreefficientandmoreflexible.B、Becausecadmiumchlorideisneededintheprocess.C、Becauseitismuchsaferthanmagnesiumchloride.D、Becauseitcancompletethedevelopingprocessindependently.标准答案：A知识点解析：细节题。根据题目中companies和interestedindevelopingsolarcellsusingcadmiumtelluride可定位至第四段thereisgrowinginterestfromcompanieslikeFirstSolarindevelopingsolarcellsusingcadmiumtelluride．whichismoreefficientandmoreflexiblesoitcouldbeappliedmanymoresurfacesincludingwindows．即诸如第一太阳能公司(FirstSolar)这类企业对开发碲化镉制成的太阳能电池越来越感兴趣。这种材质更有效率，更加灵活，可应用于包括窗户在内的更多表面。A项符合文意，故正确。20、Thebesttitleofthepassagemaybe______.A、HowtoMakeSolarCellsB、TheFutureofSolarPowerC、MagnesiumChlorideistoMakeSolarCellsD、MagnesiumChlorideReplacedCadmiumChloride标准答案：C知识点解析：主旨题。本文主要介绍了氯化镁制造太阳能电池的优点——廉价、清洁、高效，有望取代昂贵而有剧毒的氯化镉。成为新一代太阳能电池的生产材料。C项意为氯化镁将用来制造太阳能电池，准确地概括了文章主旨大意。因此最为贴切。A项和B项偏离主旨，D项太片面，没有提及文章主题“太阳能电池”，故不正确。大学英语六级改革适用（阅读）模拟试卷第2套一、词汇理解(本题共30题，每题1.0分，共30分。)OnSaturday,BexarCountyDigitalLibrary—a$2.4million,4,000-square-footspacelocatedonthesouthsideofSanAntonio—openstothepublic.Thelibrary,builtwith$1.9millionincountytaxmoneyand$500,000inprivate【C1】______isstockedwith10,000e-books,500e-readers,48computers,and20iPadsandlaptops.Ithasachildren'sarea,studyroomsandacafe.Most【C2】______itwillhavenoprintedmaterial.Thisisn'tthefirsttimeapubliclibraryhas【C3】______togobookless.Consideringour【C4】______awayfromprintandtowardallthingsdigital,theideaofthebooklesslibrarynolongerseemsso【C5】______Aroundthecountry,anumberofpubliclibrarieshaveundergone【C6】______transformationstocatertotheneedsofitsvisitors,oftenbymovingand【C7】______itsbookcollectionstomakewayfordigitalspacesthatcaneasilyadapttoemergingtechnologies.ChicagoPubliclibrary'sYOUmediaoffersspaceforteenstocreatedigitalcontentlikepodcastsandvideogames.TheDistrictofColumbiaPublicLibrarysystemandtheColumbusMetropolitanLibrarySysteminOhioarerenovatingmanyoftheirlocationstocreateall-digitalareasandopenspacesfor【C8】______toworktogether.ArizonaStateUniversityandtheScottsdalePublicLibrarysystemareevencollaboratingtoattractsmallbusinessesand【C9】______toworkinlibrariesacrossthestate.InNewYorkCity,40ofthe62QueensLibrarieshavebeenrenovatedinparttoincreasespaceforjobseekerswhodon'thaveaccesstoacomputerathome.Theyarefocusedonprogramsandserviceslikeresumewriting,jobsearchtipsandlanguageclasses.Publiclibrariesnowofferoneprogramaday【C10】______intheU.S.A)scrutinyB)importantlyC)patronsD)supplementingE)innovativeF)radicalG)tentativeH)attemptedI)entrepreneursJ)definitelyK)donationsL)consolidatingM)justifiedN)driftO)averagely1、【C1】标准答案：K知识点解析：空格需填入名词，作介词in的宾语。此句说明建造图书馆资金的来源，从taxmoney和private可推断资金来源包括政府和私人捐献两种渠道，故选用donations。2、【C2】标准答案：B知识点解析：空格独立于主句之外，并由逗号与主句分隔开来，应为作状语的副词。根据空格前的most和havenoprintedmaterial(无印刷材料)可推知，此处进一步介绍数码图书馆的特别之处，故选用importantly，体现出与前文的递进关系。3、【C3】标准答案：H知识点解析：空格位于thefirsttime所后接的从句中，该从句缺少谓语动词，助动词has提示此处应填入动词过去分词。This指代上文提及的数码图书馆，isn’tthefirsttime表明这种模式之前已出现，根据句意，此处应选用attempted，表示数码图书馆不是公立图书馆采用无书模式的首次尝试。4、【C4】标准答案：N知识点解析：our表明空格处应为名词。由方位词awayfrom和toward推断此处的名词应表示一种“趋势”，名词库中的drift“趋势”为本题答案。5、【C5】标准答案：E知识点解析：空格位于系动词seems之后，应为表语，而副词so提示此处应为形容词。根据上文提到的Thisisn’tthefirsttime和本句中的nolonger可以推断这种数码图书馆“并不新奇”，故此处选用innovative最为适合。6、【C6】标准答案：F知识点解析：空格在transformations前面，应为修饰该名词的定语，描述各地公共图书馆发生了怎样的转变。根据空格后提及的makewayfordigitalspaces(为数码区腾出空间)可推知，传统图书馆的转变很大，故选用radical“根本的”。7、【C7】标准答案：L知识点解析：and表明填入空格的词与moving为并列关系，应为动词的现在分词形式。bymoving．．．collections是图书馆为数码区腾出空间的方式，故选用consolidating，意为图书馆通过“整合”藏书腾出更多空间。8、【C8】标准答案：C知识点解析：空格在介词for和不定式toworktogether之间，应为名词，构成forsb．todosth．的结构，词库中的名词patrons符合句意，此处指“读者”。本句是对图书馆一般的描述，与“商业”、“生意”关系不大，故排除entrepreneurs。9、【C9】标准答案：I知识点解析：and表明空格应填入与businesses并列的名词。图书馆除向“读者”开放之外，甚至还主动招商(attractsmallbusinesses)。词库中entrepreneurs最符合此处语境。10、【C10】标准答案：O知识点解析：句子主谓宾结构完整，故空格应为副词作状语。本段描述各公共图书馆提供的数字化服务，最后一句对全段内容做了小结。averagely符合句意，表明美国的公共图书馆“平均”每天提供一项此类服务。AmericansEugeneFama,LarsPeterHansenandRobertShillerwontheNobelPrizeforeconomicsonMondayfordevelopingmethodstostudytrendsinstock,bondandhousingmarkets.TheRoyalSwedishAcademyofSciencessaidthatthroughtheirresearch,thethreehadlaidthe【C1】______ofthecurrentunderstandingofassetpricesandchangedthewaypeopleinvest.Whileit's【C2】______whetherstockorbondpriceswillgoupordownintheshortterm,it'spossibletoforesee【C3】______overperiodsofthreeyearsorlonger,theacademysaid."Thesefindings,whichmightseemsurprisingandcontradictory,were【C4】______madeandanalyzedbythisyear'sprizewinners,"theacademysaid.Fama,74,andHansen,60,are【C5】______withtheUniversityofChicago.Shiller,67,isaprofessoratYaleUniversity.Startinginthe1960s,Famaandothersshowedhowdifficultitistopredictindividualstockpricesintheshortrun.Hisfindings【C6】______thepracticeofinvesting,leadingtotheemergenceofindexfunds.Twodecadeslater,Shillershowedthatthereismorepredictabilityinthelongruninstockandbondmarkets,whileHansendevelopeda【C7】______methodtotesttheoriesofassetpricing."Thesearethree【C8】______differentkindsofpeopleandthethingthatunitesthemallisassetpricing,"saysDavidWarsh,whotracksacademiceconomistsonhisEconomicPrincipalsblog.TheeconomicsawardisnotaNobelPrizeinthesamesenseasthemedicine,chemistry,physics,literatureandpeaceprizes,whichwere【C9】______bySwedishindustrialistAlfredNobelin1895.Sweden'scentralbankaddedtheeconomic