Question

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　　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．

Answer 1

答案：
解析：

1．History 　　2．Internet 　　3．expensive 　　4．enough 　　5．another 　　6．working, 　　7．first 　　8．However 　　9．difficult 　　10．computers 　　11．millions 　　12．popular