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The Japanese and U. S. governments both studied the concept of "wired cities"
The Japanese and U. S. governments both studied the concept of "wired cities"
游客
2023-09-15
28
管理
问题
The Japanese and U. S. governments both studied the concept of "wired cities" using cable TV to deliver entertainment, information and educational services similar to those discussed today in the context of the digital revolution. On the basis of these hopes, the US government allowed the cable companies to set up local monopolies. In the event, these never delivered anything other than television with the understandable justification that user trials found minimal consumer interest in any of the other service, including interactive TV.
What, then, is different this time?
First, computers have become more powerful, cheaper, smaller, easier to use (although they still have a long way to go on this front) and more widely distributed, especially within businesses and especially in the U. S. Many of us now have personal computer (PCs) at home and also interact with computer technology in many other guises-games machines, automatic teller machines (ATMs) and the fifty microcomputers in a typical modern car.
Second, the Internet. The Internet is a loose network of networks which enables PCs in most large organizations and many homes and small businesses (using a standard connection to a telephone line! to communicate with each other around the world at low cost. The Internet belongs to no one (although it uses telecommunication links which do)and has no central authority; it is really a set of "communication protocols", more like a language than a physical network, which means that any computer, whatever its internal language is, can communicate with any other. The Internet has existed for many years as an academic network, but took off as a mass application only in the mid-1990s. This was partly because of the invention of new software (the World Wide Web and "browsers") which made it easier to find useful information and move between different sites.
The Internet exhibits a characteristic crucial for all successful communication networks: that their value to each member increases with the number of other members. The same happened with telephones and, more recently, fax machines: neither would be useful except as a status symbol if no one else had one. Once enough other people were on the Web, it became worthwhile for yet more people. In reality, despite all the talk of Websites, "surfing" and cyber-commerce, the main way most people(including the authors)use the Internet today is for electronic mail (e-mail)-typed messages and documents sent from one PC to another. The e-mail population reached" critical mass" in about the mid-1990s.
选项
A、as the Japanese had monopolized its TV cables
B、as the Americans talked too much without doing any practical work
C、because monopolies did great harm to the otherwise prosperous market
D、because consumers showed little interest in other media than television
答案
D
解析
由题干的"wired cities" in the United States were not constructed定位到第一段最后一句...user trials found minimal consumer interest in any of the other services,including interactive TV.推断题。本文阐述了“电缆城市”这一概念过去和现在的变化。该题问的是“电缆城市”过去在美国没有建成的原因(从选项as和because连词可知)。从第一段用的时态(过去时)可以看出这段谈到了过去的情况。该段最后一句表明很少人对除电视以外的媒体感兴趣。因此,D)为正确答案。[避错]A)说的是日本的情况,和本题无关;B)和C)原文均未提及。
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