题目内容

首字母填空。
     We are all busy talking about and using the Internet (互联网), but how many of us know the h __1__
  of the Internet?
? Many people are surprised when they find that the I __2__was set up in the 1960s. At that time,
 computers were large and e __3__. Computer networks (网络) didn't work well. If one computer in the
  network broke down, then the whole network stopped. So a new network system had to be set up. It should be good e __4__ to be used by many different computers. If part of the network was not working,
 information could be sent through a __5__ part. In this way computer network system would keep on
 w__6__ all the time.
??At f __7__the Internet was only used by the government, but, in the early 1970s, universities,
 hospitals and banks were allowed to use it too. H __8__computers were still very expensive and the
 Internet was d __9__ to use. By the start of the 1990s, c__10__became cheaper and easier to use.
 Scientists had also developed software that made 'surfing' (浏览) the Internet more convenient.
     Today it is easy to get on-line (上网) and it is said that m __11__of people use the Internet everyday.
 Sending e-mail is more and more p __12__among students.
     The Internet has now become one of the most important parts of people's life.
1. History 2. Internet 3. expensive 4. enough 5. another 6. working,
7. first  8.. However 9. difficult 10. computers 11. millions 12. popular
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