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  3. Technological changes brought dramatic new options to Americans living in the 1990s. During this decade new forms of entertainme

Technological changes brought dramatic new options to Americans living in the 1990s. During this decade new forms of entertainme

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问题     Technological changes brought dramatic new options to Americans living in the 1990s. During this decade new forms of entertainment, commerce, research, and communication became commonplace in the U. S. The driving force behind much of this change was a( n)【C1】______ popularly known as the Internet.
    The Internet was developed during the 1970s by the Department of Defense. In the case of an attack, military advisers suggested the【C2】______ of being able to operate one computer from another terminal- In the early days, the Internet was used mainly by scientists to communicate with other scientists. The Internet【C3】______ under government control until 1984.
    One early problem faced by Internet users was speed. Phone lines could only transmit information at a【C4】______ rate. The development of fiber-optic (光纤) cables allowed for billions of bits of information to be received every minute. Companies like Intel developed faster microprocessors, so personal computers could process the【C5】______ signals at a more rapid rate.
    In the early 1990s, the World Wide Web was developed, in large part, for【C6】______ purposes. Corporations created home pages where they could place text and graphics to sell products. Soon airline tickets, hotel【C7】______ , and even cars and homes could be purchased online. Universities【C8】______ research data on the Internet, so students could find【C9】______ information without leaving their dormitories. Companies soon discovered that work could be done at home and【C10】______ online, so a whole new class of telecommuters began to earn a living from home offices unshaven and wearing pajamas (睡衣).
A) advantage I) maintained
B) commercial J) occupations
C) conservation K) posted
D) equipped L) remained
E) incoming M) reservations
F) innovation N) submitted
G) limited O) valuable H) local
【C8】
选项
答案K
解析 动词辨析题。分析句子结构可知，本空位于主语universities和宾语research data之间，因此应填入动词作谓语。本句意为，大学把研究数据______到因特网上，学生不用离开宿舍就能找到信息。由后半句可知，学校的数据放到网上，学生足不出户就能找到信息。因此本空应填入含有“上传”含义的动词，故答案为K)posted“发布，张贴”。该处易误填N)submitted，submit指“将计划、报告等交给权威人士以供其参考或批准”，通常构成的搭配为submit sth．to sb．，而post是将文件放到网上以供人们浏览，通常构成的搭配是post sth．on the Internet，其他备选动词均不能与research data(研究数据)搭配，故排除。
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