英语六级选词填空.docx

上传人:b****1 文档编号:2478031 上传时间:2022-10-30 格式:DOCX 页数:16 大小:31.07KB
下载 相关 举报
英语六级选词填空.docx_第1页
第1页 / 共16页
英语六级选词填空.docx_第2页
第2页 / 共16页
英语六级选词填空.docx_第3页
第3页 / 共16页
英语六级选词填空.docx_第4页
第4页 / 共16页
英语六级选词填空.docx_第5页
第5页 / 共16页
点击查看更多>>
下载资源
资源描述

英语六级选词填空.docx

《英语六级选词填空.docx》由会员分享,可在线阅读,更多相关《英语六级选词填空.docx(16页珍藏版)》请在冰豆网上搜索。

英语六级选词填空.docx

英语六级选词填空

六级选词填空

 Directions:

Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.

  Anovelwayofmakingcomputermemories,usingbacteria FORhalfacentury,the

(1)__________ofprogressinthecomputerindustryhasbeentodomorewithless.

  Moore'slawfamouslyobservesthatthenumberoftransistorswhichcanbecrammedintoagivenspace

(2)__________every18months.

  Theamountofdatathatcanbestoredhasgrownatasimilarrate.

  Yetas(3)__________getsmaller,makingthemgetsharderandmoreexpensive.

  OnMay10thPaulOtellini,thebossofIntel,abigAmericanchipmaker,putthepriceofanewchipfactoryataround$10billion.

  HappilyforthosethatlackIntel'sresources,theremaybeacheaperoption—namelytomimicMotherNature,

  whohasbeenbuildingtiny(4)__________,intheformoflivingcellsandtheircomponents,forbillionsofyears,andhasthusgotrathergoodatit.

  ApaperpublishedinSmall,ananotechnologyjournal,setsoutthelatestexampleofthe(5)__________.

  Init,agroupofresearchersledbySarahStanilandattheUniversityofLeeds,inBritain,describeusingnaturallyoccurringproteinstomakearraysoftinymagnets,

  similartothoseemployedtostoreinformationindiskdrives.

  Theresearcherstooktheir(6)__________fromMagnetospirillummagneticum,abacteriumthatissensitivetotheEarth'smagneticfieldthankstothepresencewithinitscellsofflecksofmagnetite,aformofironoxide.

  Previousworkhasisolatedtheproteinthatmakestheseminiaturecompasses.Usinggeneticengineering,theteammanagedtopersuadeadifferentbacterium—Escherichiacoli,aubiquitouscritterthatisaworkhorseofbiotechnology—to(7)__________thisproteininbulk.

  Next,theyimprintedablockofgoldwithamicroscopicchessboardpatternofchemicals.

  Halfthesquarescontainedanchoringpointsfortheprotein.

  Theotherhalfwereleftuntreatedascontrols.

  Theythendippedthegoldintoasolutioncontainingtheprotein,allowingittobindtothetreatedsquares,anddunkedthewholelotintoaheated(8)__________ofironsalts.

  Afterthat,theyexaminedtheresultswithanelectronmicroscope.

  Sureenough,groupsofmagnetitegrainshadmaterialisedonthetreatedsquares,shepherdedintoplacebythebacterialprotein.

  Inprinciple,eachofthesemagneticdomainscouldstoretheoneorthezeroofabitofinformation,accordingtohowitwaspolarised.

  Gettingfromtheretoarealcomputermemorywouldbealongroad.

  Forastart,thegrainsofmagnetitearenotstrongenoughmagnetstomakeausefulmemory,andthesizeofeachdomainishugebymoderncomputing(9)__________.

  ButDrStanilandreckonsthat,withenoughtweaking,bothoftheseobjectionscouldbedealtwith.

  The(10)__________ofthisapproachisthatitmightnotbesocapital-intensiveasbuildingafab.

  Growingthingsdoesnotneedasmuchkitasmakingthem.

  Ifthetweakingcouldbedone,therefore,theresultmightgivethewordbiotechnologyawholenewmeaning.

  A)components

  B)advantage

  C)standards

  D)compliments

  E)essence

  F)inspiration

  G)disadvantage

  H)doubles

  I)solution

  J)resolution

  K)devices

  L)manufacture

  M)spirit

  N)product

  O)technique

 

答案:

  1.E)essence

  2.H)doubles

  3.A)components

  4.K)devices

  5.O)technique

  6.F)inspiration

  7.L)manufacture

  8.I)solution

  9.C)standards

  10.B)advantage

  全文翻译

  Anovelwayofmakingcomputermemories,usingbacteria

  制造计算机存储器的新奇方法:

使用细菌

  FORhalfacentury,theessenceofprogressinthecomputerindustryhasbeentodomorewithless.

  半个世纪以来,计算机产业发展的本质就是花钱更少,成事更多。

  Moore’slawfamouslyobservesthatthenumberoftransistorswhichcanbecrammedintoagivenspacedoublesevery18months.

  摩尔定律的著名论断是:

能够放入某空间内的晶体管数量每18个月翻一番。

  Theamountofdatathatcanbestoredhasgrownatasimilarrate.

  储存的数据也有着类似的增长速率,

  Yetascomponentsgetsmaller,makingthemgetsharderandmoreexpensive.

  但是随着部件越来越小,它们的制造难度和成本也逐渐增加。

  OnMay10thPaulOtellini,thebossofIntel,abigAmericanchipmaker,putthepriceofanewchipfactoryataround$10billion.

  5月10日,美国芯片巨头因特尔总裁兼CEOPaulOtellini宣布将花费上百亿美元建设新工厂。

  HappilyforthosethatlackIntel’sresources,theremaybeacheaperoption—namelytomimicMotherNature,

  对于不像因特尔那么有钱的厂家的好消息是,他们或许可以选择更便宜的方式—模拟大自然。

  whohasbeenbuildingtinydevices,intheformoflivingcellsandtheircomponents,forbillionsofyears,andhasthusgotrathe

展开阅读全文
相关资源
猜你喜欢
相关搜索
资源标签

当前位置:首页 > 求职职场 > 职业规划

copyright@ 2008-2022 冰豆网网站版权所有

经营许可证编号:鄂ICP备2022015515号-1