英語六級選詞填空習(xí)題及答案

1、2014年6月英語六級選詞填空習(xí)題及答案（月英語六級選詞填空習(xí)題及答案（1）AnovelwayofmakingcomputermemiesusingbacteriaFhalfacenturythe（1）__________ofprogressinthecomputerindustryhasbeentodomewithless.Moeslawfamouslyobservesthatthenumberoftransistswhichcanb

2、ecrammedintoagivenspace（2）__________every18months.Theamountofdatathatcanbestedhasgrownatasimilarrate.Yetas（3）__________getsmallermakingthemgetshardermeexpensive.OnMay10thPaulOtellinithebossofIntelabigAmericanchipmakerput

3、thepriceofanewchipfactyataround$10billion.HappilyfthosethatlackIntelsresourcestheremaybeacheaperoptionnamelytomimicMotherNaturewhohasbeenbuildingtiny（4）__________inthefmoflivingcellstheircomponentsfbillionsofyearshasthus

4、gotrathergoodatit.ApaperpublishedinSmallananotechnologyjournalsetsoutthelatestexampleofthe（5）__________.InitagroupofresearchersledbySarahStanilattheUniversityofLeedsinBritaindescribeusingnaturallyoccurringproteinstomakea

5、rraysoftinymagssimilartothoseemployedtosteinfmationindiskdrives.Theresearcherstooktheir（6）__________fromMagospirillummagicumabacteriumthatissensitivetotheEarthsmagicfieldthankstothepresencewithinitscellsofflecksofmagitea

6、fmofironoxide.Previouswkhasisolatedtheproteinthatmakestheseminiaturecompasses.UsinggeicengineeringtheteammanagedtopersuadeadifferentbacteriumEscherichiacoliaubiquitouscritterthatisawkhseofbiotechnologyto（7）__________this

7、proteininbulk.Nexttheyimprintedablockofgoldwithamicroscopicchessboardpatternofchemicals.Halfthesquarescontainedanchingpointsftheprotein.Theotherhalfwereleftuntreatedascontrols.Theythendippedthegoldintoasolutioncontaining

8、theproteinallowingittobindtothetreatedsquaresdunkedthewholelotintoaheated（8）__________ofironsalts.Afterthattheyexaminedtheresultswithanelectronmicroscope.Sureenoughgroupsofmagitegrainshadmaterialisedonthetreatedsquaressh

9、epherdedintoplacebythebacterialprotein.Inprincipleeachofthesemagicdomainscouldstetheonethezeroofabitofinfmationaccdingtohowitwaspolarised.Gettingfromtheretoarealcomputermemywouldbealongroad.Fastartthegrainsofmagitearenot

10、strongenoughmagstomakeausefulmemythesizeofeachdomainishugebymoderncomputing（9）__________.ButDrStanilreckonsthatwithenoughtweakingbothoftheseobjectionscouldbedealtwith.The（10）__________ofthisapproachisthatitmightnotbesoca

11、pitalintensiveasbuildingafab.Growingthingsdoesnotneedasmuchkitasmakingthem.Ifthetweakingcouldbedonetherefetheresultmightgivethewdbiotechnologyawholenewmeaning.A）componentsB）advantageC）stardsapossiblesale.ElliottManagemen

12、tahedgefundhasbeenlobbyingfchangeatAppadatastagefirmthatitthinkscoulddometoimprovereturnsto（7）__________.Onereasontechfirmshavefoundthemselvesinactivists’crosshairsisthatlikeApplesomebuiltupbigcashpilesduringtheeconomicd

13、ownturnhavebeenslowtousethemoney.Financiershopetogetthemtoloosentheirpursestringsfastertopocketsomeofthecash.MrIcahnwantsAppletoincrease（8）__________asharebuybackprogrammethatiscurrentlysettoreturn$60billiontoshareholder

14、sbytheendof2015.Anotherreasonthattechfirmsmaketemptingtargetsfshareholderactivistsisthatswiftchangesintechnologiescantripupeventhemightiest.WitnessthecaseofMicrosoftwhichruledtheroostduringthepersonalcomputererabuthasstr

15、uggledtoadapttoawldinwhichtabletssmartphonesarealltherage.Investshopetomintmoneybypushingcompaniestochangemerapidlyinresponsetosuchupheavalsintheirmarkets.Therewardscanbesubstantial.EggedonbyThirdPointanactivisthedgefund

16、Yahoo（9）__________MarissaMayerasitsnewchiefexecutiveinJuly2012.Bythetimeshecelebratedayearinthejoblastmonththetroubledwebgiant’ssharepricehadrisenbyover70%.InJulythehedgefundsoldabigchunkofsharesbacktoYahoo.MrIcahnthinks

17、Apple’ssharepricewhichclosedat$499onAugust14thcouldsoartooifthefirmfollowshisadviceonbuybacks.Hetweetedthisweekthathehadhada“nice（10）__________”withTimCookApple’sbossabouthisideathoughhedidnotsaywhatMrCookthoughtofit.IfA

18、ppledragsitsfeetexpectthingstoturnnasty.A）shareholdersB）strategicC）communicationD）battleE）conversationF）encouragingG）excitingH）stirringI）appointedJ）raceK）revealedL）methodM）accelerateN）proposedO）currently答案答案1.H)stirring2