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1、2012高考英语二轮复习专题限时训练（江苏专用）专题3任务型阅读19（25分钟）（A）请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。注意：每个空格填1个单词。China’sTianhe-1hasacomputingspeedof2,507trillion（万亿）calculationsasecond,makingitthefastestcomputerintheworld.Itisalso40percentfasterthantheworld’ssecondfastestsupercomputer,CrayXT
2、5Jaguar,intheUS,keptatanationallaboratoryinTennessee,accordingtotheNewYorkTimes.JackDongarra,aUniversityofTennesseecomputerscientist,toldNYTthattheChinesesupercomputerisfasterthantheexistingNumberOnemachine.Buildingthefastestsupercomputerhasbecomeasourceofnationalpride,as
3、thesemachinesarevaluedfortheirabilitytosolveproblemsinareaslikedefense,energyandscience.Theseproblemsarerelatedtonationalinterests.Supercomputingtechnologyisalsofoundinbusiness.Oilandgascompaniesusesupercomputerstofindoilandgas.Obviously,researchcenterswithlargesupercompu
4、tersattracttopscientifictalents.Thisaddsextraimportancetothemachines—they’remorethanjusthugecomputers.China’snewsupercomputerwillbeusedtospeedupgreatlyscientificcalculations,suchashurricaneandtsunamimodeling,cancerresearch,cardesignandevenstudyingstars.In2008,twoUSscienti
5、stsputtogetherastep-by-stepguideonhowtobuildasupercomputerusingPlayStation3video-gameconsoles（控制台）.Modernsupercomputersarebuiltbycombiningthousandsofsmallcomputerservers（服务器）andusingsoftwaretoturnthemintoonelargecomputer.Really,anyorganizationwithenoughmaterialandtechnolo
6、gycancreateafastmachine.TheChinesesystemfollowsthatmodelbylinkingthousandsuponthousandsofcomputerservers.Butthesecretbehindthesystem—andthetechnologicalachievement—isChina’sownnetworkingtechnology.“Thattechnologywasbuiltbythem,”Dongarrasaid.“Theyaretakingsupercomputingver
7、yseriouslyandusing5用心爱心专心alotoftimeandmoney.”“Chinaisstilladevelopingcountry,”saidShaChaoqun,manageratDawningCompanywhichistheleadingsupercomputermakerinChina.“Maybeoneday,China’stotalcomputingpowercanbegreaterthanthatoftheUS,butthereisstillalongwaytogobeforewegetthere.”P
8、aragraphoutlineSupportingdetailsChinahasdevelopedtheworld’sfastestsupercomputer.◇Tianhe-1hasahig
