网址：http://m.1010jiajiao.com/timu_id_2289335[举报]
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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．
根据短文内容和所给的首字母，写出短文中所缺的单词，使短文完整，合乎情景。将完整的单词写在下面框内。
The mobile phone is a useful thing, but maybe I don't know h 1 to use it．Sometimes it makes things difficult for me．
One day I wanted to see my friend nearby．I could a 2 at his house in five minutes, but I looked at my mobile phone and thought i 3 would be better to ring him up．I r 4 him for the first time, but the line was busy．Five minutes later, there was an answer, but it was the wrong number．Then I tried a 5 and this time I got an answer from him．
I asked him if he was at home in the afternoon．And he said-at 1 6 I thought he said-he would be at home all afternoon．So I went to his house, but then I found n 7 in．I called him for the fourth time．This time I got so angry that I s 8 ,“You are not at home?But you just told me over the telephone that you would be at home all afternoon!”
Here w 9 his answer,“No, I said：'I will NOT be at home all afternoon．'”
I went back to my room, sat down in front of the mobile phone and looked at it．What e 10 could I do?Nothing!
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根据短文内容和首字母提示补全短文
School education is very i 1 and u 2 ．No one can learn everything at school and a teacher cannot teach his students everything．His work is to show his students h 3 to learn．He teaches them how to read and how to think．So much more is to be learned outside school by the students themselves．
It is always more n 4 to know how to study b 5 oneself．It is quite e 6 to learn something, but it is d 7 to use it to s 8 problems．Great inventors do not get e 9 from school, but they can make many things and c 10 the world a lot．