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(一)TheSupercomputerNetwork回答下列问题:(1)Recentlytenlaboratoriesrunbygovernments

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解决时间 2021-02-01 19:40
共享题干题 (一)The Supercomputer Network 回答下列问题:(1) Recently ten laboratories run by governments in different parts of the world have become linked. Their computers have been connected so they can "talk" to each other. This may not seem very dramatic news, but it is the beginning of a development that will increase the power of the Internet tremendously.(2) The Internet is an interconnected ( 互联 ) system of networks that connects computers round the world and facilitates the transmission and exchange of information. The way that you use the lnternet is by accessing this network. This depends on the power that your system allows you to use. The power of your computer is responsible for how fast you can download ( 下载 ) files, how much data you can store, etc. If your computer is old and slow, accessing the information can be very difficult.(3)The new development in information technology has been called "the grid" (网络技术), and it will be a network of computers that are linked together. The "grid" will work in a different way from the Internet, enabling you to get the power of the biggest computers in the world on your computer. Accessing the information will no longer depend on the power of your computer. The idea is that while you acceinformation, you will also have access to the power of the bigger computer stations.(4)One advantage of this revolutionary idea is that geographical location will become irrelevant. The "grid" will decide which are the best parts of a worldwide network to do the job you want. This means that you may be accessing a computer in Japan to solve a problem in Alaska.(5)The "grid" can be compared to having an efficient personal assistant. You can give your assistant a task and "he" will do it for you. The assistant will do the preliminary research, collect the data, compare them and decide on the best course of action by accessing any of the computer centres in the "grid" that happen to have the relevant information. All you have to do is assign the task, sit back and wait.(6) At present, possible applications of the "grid" in scientific research are being explored. While it has taken about fifteen years for Internet use to become widespread, experts believe that the "grid" could be up and running for private individuals far more quickly. Scientists working on "grid" projects are convinced that it will be as widely used as the web in the next ten years.1.[不定向选择题]Paragraph 3__________A.How does the grid work? B.Power shared C.Just make a request D.Limitations of present Internet useE.Distance is not a problemF.A new era for the InternetABCDEF确定 2.[不定向选择题]Paragraph 2__________A.How does the grid work? B.Power shared C.Just make a request D.Limitations of present Internet useE.Distance is not a problemF.A new era for the InternetABCDEF确定
最佳答案
1.参考答案:A
参考解析:第三段主要介绍了网格技术的原理:网格技术是将你的电脑与其他电脑连接起来,只要接入网格,就能应用网格中最强大的电脑,突破个人计算机的性能局限。词题的干扰项为B.Power shared(分享性能),其实文章后面几段都是在说网格技术的这一优点,但由于题目要求是为第三段选择标题,B选项过于宽泛,A最能概括这一段的主旨。故选A。
2.参考答案:D
参考解析:第二段说在传统互联网里,信息传输速度、存储容量大小取决于个人电脑的性能。与未来的网格技术相比,这是传统互联网的缺点,故选D.Limitations ofpresent Internet use.3.[不定向选择题]Paragraph 4__________A.How does the grid work? B.Power shared C.Just make a request D.Limitations of present Internet useE.Distance is not a problemF.A new era for the InternetABCDEF确定
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