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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
【C7】
选项
答案M
解析 名词辨析题。该空位于hotel之后，而且与airline tickets、cars and homes构成主语，因此应填入名词。该句意为，很快，购买机票、______旅馆，甚至购买汽车和房子都可以在网上进行。结合日常生活，我们知道在网上可以预订宾馆房间，故空格处应填M)reservations“预订”。此外，根据and前后平行结构，大胆猜测空格处应填入复数名词，故排除剩余备选名词中的C)conservation和H)local，此外C)conservation易与M)reservations混淆，conservation来自于动词conserve，意为“保护”，没有“预留、预订”的含义，而J)occupations不能与hotel搭配，故均排除。
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