Question

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

 History, 

 Internet, 

 expensive, 

 enough, 

 another, 

 working,

 first, 

 However, 

 difficult, 

 computers, 

 millions, 

 popular

【解析】

试题分析：

 此题考查名词，根据语境可知很多人都不了解互联网的历史故填history。

 此题考查名词，根据语境可知互联网在20世纪60年代建立的，故填Internet。

 此题考查形容词，根据语境可知在那个时候电脑又大又贵，故填expensive。

 此题考查副词，根据语境可知互联网必须足够好才能使每台电脑正常工作，故填enough。

 此题考查不定代词，another表示另一部分。

 此题考查固定短语keep on doing sth表示一直做某事，故填working，意思是网络系统必须一直工作。

 此题考查固定短语at first表示起初，开始。起初电脑只是政府部门使用。

 此题考查连词，表示转折，故用however。

 此题考查形容词，根据语境可知当时的网络很难利用，故填difficult。

 此题考查名词，根据语境可知到了20世纪90年代电脑变小了，故填computer。

 此题考查形容词，表示很多人在利用网络，故用millions或most

 此题考查形容词，利用网络发电子邮件越来越流行，故填popular。

考点：网络的发展史