填空题

To see how big carriers could control the online world, you must understand its structures. Earthlink gives Jennifer access to the Internet, much in the way than an on- ramp puts a driver on the national highway system. Earthlink is a local internet service provider, and it willsend the (1) ____ to an Internet “(2) _______ [1] ________. provider", to route it along its way. [2] ________. These Internet players typically own and lease long-haul fiber-optic cables spanning a large region. They also own the communications gear that directs (3) _____ over the Internet. They connect to each other to exchange data between [3] ________. their customers, like the highway system over which most of the freight of the Internet travels to reach its (4) ______. Now, instead of the National Science Foundation, there are many of them [4] ________. that-link together to provide the global (5), that is the Internet. The problem was, as the Internet grew, the public points became overbur- [5] ________. dened and traffic showed at these bottlenecks. So they started making arrange- ments with each other. And they aren’t changing peers now, but there is a lot of discussion about whether they should. And the industry has not figured out how to (6) ______ who owes what to whom if fees should be changed. Since the Internet was (7) ______, it has grown by leaps and bounds into a [6] ________. remarkably successful commmunications medium without government (8) [7] ________. ______ --and most want to stay that way. But the Internent has matured to a [8] ________. point that more uniform rules are needed to (9) competition. Those who can afford to pay the price can become peers. Peering would be [9]______. determined by the (10) ______ rather than by a private company with its own competitive interests. [10] ________.

【参考答案】

calculate