题目内容
Directions:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. Advances in computers and data networks inspire visions of a future "information economy" in which everyone will have (1) to gigabytes of all kinds of information anywhere and anytime, (2) information has always been a (3) difficult commodity to deal with, and, in some ways, computers and high-speed networks make the problems of buying, (4) , and distributing information goods worse (5) better. The evolution of the Internet itself (6) serious problems. (7) the Intemet has been privatized, several companies are (8) to provide the backbones that will carry traffic (9) local networks, but (10) business models for intereonnectinn—who pays how much for each packet (11) , for example—have (12) to be developed. (13) intereonnection standards are developed that make (14) cheap and easy to transmit information across independent networks, competition will (15) . If technical or economic (16) make interconnection difficult, (17) transmitting data across multiple networks is expensive or too slow, the (18) suppliers can offer a signfficant performance (19) ; they may be able to use this edge to drive out competitors and (20) the market.
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