Some historian say that the most important contribution of Dwight Eisenhower's presidency (總統(tǒng)任期) in the 1950s was the U.S. interstate highway system. It was a massive project, easily surpassing the scale of such previous human ____1____ as the Panama Canal. Eisenhower's interstate highways ____2____ the nation together in new ways and ____3____ major economic growth by making commerce less ____4____ Today, an information superhighway has been built-an electronic network that ____5____ libraries, corporations, government agencies and individuals. This electronic superhighway is called the Internet, ____6____ it is the backbone (主干) of the World Wide Web.

　　The Internet had its ____7____ in a 1969 U.S. Defense Department computer network called Arpanet, which ____8____ Advanced Research Projects Agency Network. The Pentagon built the network for military contractors and universities doing military research to ____9____ information. In 1983 the National Science Foundation (NSF), ____10____ mission is to promote science, took over.

　　This new NSF network attracted more and more institutional users, may of ____11____ had their own internal networks. For example, most universities that ____12____ the NSF network had intercampus computer networks. The NSF network then became a connector for thousands of other networks. ____13____ a backbone system that interconnects networks, internet was a name that fit.

　　So we can see that the Internet is the wired infrastructure (基礎(chǔ)設(shè)施) on which web ____14____ move. It began as a military communication system, which expanded into a government-funded ____15____ research network.

　　Today, the Internet is a user-financed system tying intuitions of many sorts together into an "information superhighway."

　　1、A.behaviors　　B.endeavors　　C.inventions　　D.elements

　　2、A.packed　　B.stuck　　C.suppressed　　D.bound

　　3、A.facilitated　　B.modified　　C.mobilized　　D.terminated

　　4、A.competitive　　B.comparative　　C.exclusive　　D.expensive

　　5、A.merges　　B.connects　　C.relays　　D.unifies

　　6、A.and　　B.yet　　C.or　　D.while

　　7、A.samples　　B.sources　　C.origins　　D.precedents

　　8、A.stood by　　B.stood for　　C.stood against　　D.stood over

　　9、A.exchange　　B.bypass　　C.switch　　D.interact

　　10、A.their　　B.that　　C.when　　D.whose

　　11、A.what　　B.which　　C.these　　D.them

　　12、A.joined　　B.attached　　C.participated　　D.involved

　　13、A.With　　B.By　　C.In　　D.As

　　14、A.contexts　　B.signs　　C.messages　　D.leaflets

　　15、A.citizen　　B. civilian　　C.amateur　　D.resident

　參考答案：

　　1、B　2、D　3、A　4、C　5、B　6、A　7、C　8、B

　　9、A　10、D　11、B　12、A　13、D　14、C　15、B