2. 外语
  3. Some historian say that the most important contribution of Dwight Eisenhower’s presidency (总统任期) in the 1950s was the U.S. inter

Some historian say that the most important contribution of Dwight Eisenhower’s presidency (总统任期) in the 1950s was the U.S. inter

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问题     Some historian 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 facilitated major economic growth by making commerce less【C4】________Today, an information superhighway has been built—an electronic network that【C5】________libraries, corporations, government agencies and【C6】________This electronic superhighway is called the Internet, and it is the backbone (主干) of the World Wide Web.
    The Internet had its【C7】________in a 1969 U.S. Defense Department computer network called ARPAnet, which stood for Advanced Research Projects Agency Network. The Pentagon built the network for military contractors and universities doing military research to【C8】________information. In 1983 the National Science Foundation (NSF), whose mission is to promote science, took over.
    This new NSF network【C9】________more and more institutional users, many of which had their own internal networks. For example, most universities that joined the NSF network had intra-campus computer networks. The NSF network then became a connector for thousands of other networks. As 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 messages move. It began as a military communication system, which expanded into a government-funded【C10】________research network.
    Today, the Internet is a user-financed system tying intuitions of many sorts together into an "information superhighway."
    A) bound          E) unifies     I) connects    M) exchange
    B) personalities  F) exclusive   J) origins     N) individuals
    C) comparatively  G) civilian    K) attracted   O) massive
    D) endeavors      H) radically   L) concise
【C8】
选项
答案M
解析 动词辨义题。根据空格前的doing military research to和空格后的information,可判断此处需要填入一个动词原形，与to一起构成动词不定式。备选词汇中只有exchange(交换)符合此处语境，故选M。
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