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Some historians say that the most important contribution of Dwight Eisenhower’s presidency (总统任期) in the 1950s was the U. S. int
Some historians say that the most important contribution of Dwight Eisenhower’s presidency (总统任期) in the 1950s was the U. S. int
admin
2017-07-09
28
问题
Some historians say that the most important contribution of Dwight Eisenhower’s presidency (总统任期) in the 1950s was the U. S. interstate highway system. It was a【C1】______ project, easily surpassing the scale of such previous human【C2】______ as the Panama Canal. Eisenhower’s interstate highways【C3】______ the nation together in new ways and【C4】______ major economic growth by making commerce less【C5】______ Today, an information superhighway has been built—an electronic network that【C6】______ libraries, corporations, government agencies and【C7】______ . This electronic superhighway is called the Internet,【C8】______ it is the backbone (主干) of the World Wide Web.
The Internet had its【C9】______ in a 1969 U. S. Defense Department computer network called ARPAnet, which【C10】______ Advanced Research Projects Agency Network. The Pentagon built the network for military contractors and universities doing military research to【C11】______ information. In 1983 the National Science Foundation (NSF) ,【C12】______ mission is to promote science, took over.
This new NSF network【C13】______ more and more institutional users, many of【C14】______ had their own internal networks. For example, most universities that【C15】______ the NSF network had intra-campus computer networks. The NSF network【C16】______ became a connector for thousands of other networks.【C17】______ a backbone system that interconnects networks, Internet was a name that fit.
So we can see that the Internet is the wired infrastructure (基础设施) on which web【C18】______ move. It began as a military communication system, which expanded into a government-funded【C19】______ research network.
Today, the Internet is a user-financed system tying institutions of many sorts together【C20】______ an " information superhighway".
【C19】
选项
A、citizen
B、civilian
C、amateur
D、resident
答案
B
解析
形容词辨义。空格所在的定语从句与前面的主句形成明显的对比,互联网最初用于军事通信系统,后来扩展成为政府资助的民用研究网络。与military“军事的,军用的”相对的是civilian“民用的,民间的”,所以B项为本题正确答案。citizen意为“市民,公民”,amateur意为“业余的,外行的”,resident意为“居住的,常驻的”。这三个词都不能与military形成对比,故均可以排除。
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0
考研英语一
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