[考研类试卷]英语专业(基础英语)模拟试卷6及答案与解析.doc
《[考研类试卷]英语专业(基础英语)模拟试卷6及答案与解析.doc》由会员分享,可在线阅读,更多相关《[考研类试卷]英语专业(基础英语)模拟试卷6及答案与解析.doc(27页珍藏版)》请在麦多课文档分享上搜索。
1、英语专业(基础英语)模拟试卷 6 及答案与解析一、阅读理解0 Please read the following passages and choose A, B, C or D to best complete the statements about them.Unlocking the cloud“FIRST they ignore you, then they laugh at you, then they fight you, then you win.“ Mahatma Gandhi probably never said these words, despite claims t
2、o the contrary, but they perfectly describe the progress of open-source software over the past 15 years or so. Such software, the underlying recipe for which is created by volunteers and distributed free online, was initially dismissed as the plaything of nerdy hobbyists. Big software firms derided
3、the idea that anyone would put their trust in free software written by mysterious online collectives. Was it really secure? Whom would you call if it went wrong?At the time, selling software to large companies was sometimes likened to drug dealing, because once a firm installed a piece of software,
4、it had to pay a stream of licence fees for upgrades, security patches and technical support. Switching to a rival product was difficult and expensive. But with open-source software there was much less of a lock-in. There are no licence fees, and the file formats and data structures are open. Open-so
5、urce software gained ground during the dotcom boom and even more so afterwards, as a way to cut costs.Microsoft, the worlds biggest software company, went from laughing at the idea to fighting it, giving warning that there might be legal risks associated with using open-source software and even call
6、ing it a “cancer“ that threatened to harm the industry. Yet the popularity of open-source programs such as the Linux operating system continued to grow. The fact that Google, the industrys new giant, sits on a foundation of open-source code buried the idea that it was not powerful or reliable enough
7、 for heavy-duty use. One by one the industrys giants embraced open source. Even Microsoft admits that drawing on the expertise of internet users to scrutinise and improve software has its merits, at least in some cases.The argument has been won. It is now generally accepted that the future will invo
8、lve a blend of both proprietary and open-source software. Traditional software companies have opened up some of their products, and many open-source companies have adopted a hybrid model in which they give away a basic version of their product and make money by selling proprietary add-ons. The rise
9、of software based on open, internet-based standards means worries about lock-in have become much less of a problem.But now there is the danger of a new form of lock-in. “Cloud computing“the delivery of computer services from vast warehouses of shared machinesenables companies and individuals to cut
10、costs by handing over the running of their e-mail, customer databases or accounting software to someone else, and then accessing it over the internet. There are many advantages to this approach for both customers(lower cost, less complexity)and service providers(economies of scale). But customers ri
11、sk losing control once again, in particular over their data, as they migrate into the cloud. Moving from one service provider to another could be even more difficult than switching between software packages in the old days. For a foretaste of this problem, try moving your MySpace profile to Facebook
12、 without manually retyping everything.The obvious answer is to establish agreed standards for moving data between clouds. An industry effort to this effect kicked off in March. But cloud computing is still in its infancy, and setting standards too early could hamper innovation. So buyers of cloud-co
13、mputing services must take account of the dangers of lock-in, and favour service providers who allow them to move data in and out of their systems without too much hassle. This will push providers to compete on openness from the outsetand ensure that the lessons from the success of open-source softw
14、are are not lost in the clouds.1 Which of the following best describes the authors attitude toward the open-source software?(A)Skeptical.(B) Contempting.(C) Supportive.(D)Enthusiastic.2 Why would the author describe software selling as drug dealing?(A)It is illegal.(B) It costs huge “running money“
15、after first time purchasing.(C) It is hard to stick to software.(D)It comes with virus.3 Which of the following facts is not the reason for Microsoft to change his view on open-source soft-ware?(A)Linux uses open-source software.(B) Google is based on open-source code.(C) Open-source software is pro
16、ve to be reliable for heavy-duty running.(D)The number of open-source program is increasing.4 Which of the following statements is true about the future of open-source software?(A)It will transform into a private owned property which can be better protected.(B) Traditional software can only earn mon
17、ey from value-added services.(C) Users may be less worried about the losing of data by using open-based program.(D)Open-source program is always free of charge.5 Which of the following statements is true about “cloud computing“?(A)It is an online program such as Facebook or Myspace.(B) It may hamper
18、 innovation.(C) It intends to provide a third party database for data owner and service provider.(D)It may cause data losing in the cloud.5 Climate ChangeThe illusion of clean coal“FACTORIES of death“ is how James Hansen, a crusading American scientist, describes power stations that burn coal. Coal
19、is the dirtiest of fossil fuels, producing twice the carbon dioxide that natural gas does when it is burned. That makes it a big cause of global warming. But some of the worlds biggest economies rely on coal. It provides almost 50% of Americas and Germanys power, 70% of Indias and 80% of Chinas. Dig
20、ging up coal provides a livelihood for millions of people. And secure domestic sources of energy are particularly prized at a time when prices are volatile and many of the big oil and gas exporters are becoming worryingly nationalistic. It is hard to see how governments can turn their backs on such
21、a cheap and reliable fuel.There does, however, seem to be a way of reconciling coal and climate. It is called carbon capture and storage(CCS), or carbon sequestration, and entails hoovering up carbon dioxide from the smokestacks of power plants and other big industrial facilities and storing it safe
22、ly underground, where it will have no effect on the atmosphere. The technologies for this are already widely used in the oil and chemical industries, and saltwater aquifers and depleted oilfields offer plenty of promising storage space. Politicians are pinning their hopes on clean coal: Angela Merke
23、l and Barack Obama, among others, are keen on the idea.But CCS is proving easier to talk up than to get going. There are no big power plants using it, just a handful of small demonstration projects. Utilities refuse to make bigger investments because power plants with CCS would be much more expensiv
24、e to build and run than the ordinary sort. They seem more inclined to invest in other low-carbon power sources, such as nuclear, solar and wind. Inventors and venture capitalists, in the meantime, are striving to create all manner of new technologiesbugs for biofuels, revolutionary solar panels, sma
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
2000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 考研 试卷 英语专业 基础 英语 模拟 答案 解析 DOC
