英语听力入门3000第一册答案（21）VIP免费

英 语 听 力 入 门 3000 第 一 册 答 案 （ 21 ） 英 语 听 力 入 门 3000 第 一 册 答 案 When? 3. In 1990 Tim Berners-Lee wrote programs which form the basis of the World Wide Web. / When? 4. In 1991 his programs were placed on to the Internet. / Where? 5. Between 1991 and 1994 the number of web pages rose from 10 to 100,000. / How many? 6. Right now the world is focused on e-commerce. / What? 7. The invention of the web brings rapid rewards to people with imagination and new ideas. / To whom? Part II A A1: connected system connection stations people A2: Connection of railroads or other vehicles Connected system of radio stations System linking a number of computers together Tape script Few things in this world change as fast as languages. Every day, new words are created to deal with new ideas or new technologies. New meanings also are added to existing words. A dictionary published years ago may show one or two meanings for a word; a dictionary published today may list several more meanings for the same word. Network is one such word. It combines two words. The first is ―net,‖ it means materials that are connected; the second is ―work‖. One meaning of ―work‖ is a system. Network means a 英 语 听 力 入 门 3000第 一 册 答 案 （ 21） --第 1页英 语 听 力 入 门 3000第 一 册 答 案 （ 21） --第 1页connection of systems that work together. The systems that networks connect can be very different. For example, radio and television stations can be connected in the network, so can computers and even people. Word expert Milford Matthew found written uses of the word ―network‖ in the late 1800s. The word then was used as a verb, a word that shows action. At ...