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年月英语六级阅读考前训练20xx12年月英语六级阅读考前训练20xx12通过考级能培育英语学习者的学习爱好与语言的实际应用实力,建立完整的教学评价与检验体系,下面是为大家搜寻整理的英语六级辅导练习,希望能给大家带来帮助!The birthof computershas broughtwith ita newsetof opportunitiesfor mischiefand crime.Today,computers areeasy tocome byand manypeople knowhowcomputer technology
11.More importantly,thegrowing useof computernetworks canmultiply theviolationof security,making largenumbers ofpeoplemore vulnerablethan wouldbe thecase ifthey wereusing12j stand-alone computers.Whats more,computer expertsagreethat—despite recentwidespread publicity-computerviruses are13one ofthe manycomputer securityproblemsfacing thenation.The U.S.Defense AdvancedResearch ProjectAgencyhas requestedthat theResearch CouncilsScienceand TechnologyBoard14the securityproblemsposed bycomputer technology,see what15mayalready exist,review researchefforts16at avoidingsecurityproblems inthe future,and evaluateexistingpolicies17to computersecurity.The studycommitteewill examinethe18of securityfor abroad spectrumofusers,including thebusiness,national security,andacademic communities,as wellas the19public.David.Clark,senior researchscientist,Laboratoryfor ComputerScience,Massachusetts InstituteofTechnology,will chairthe20of expertsinelectronic security,net-work security,computerlaw,software engineeringand operatingsystems.Thecommittee willalso includecomputer usersfrom thedefenseand bankingindustries.A.onlyB.worksC.solutionsD.generalE.issueF.fundamentallyG.universalH.assessL aimedJ.singleK.committeeL.generatesM.relevantN.questionO.community参考答案II.B
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