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The computer was one of the most important inventions of last century. The first computer was as large as a room. Now some computers are as (1)　as television sets. Some computers can even be made smaller (2)　a book. About 20 years (3)　 , the computer was a strange machine in China. Not many people (4) it and said yes to it.

Today much of that is(5)　. In 1984, when Deng Xiaoping (6)　two pupils working on the computers in Shanghai, he said that computer lessons (7)　start from children. So there was the first computer book for middle school students. Now in Shanghai (8)　all middle schools have classrooms (9)　　　　　computer courses. Some of the students now have their (10) computers at home. With the help of Internet, they can send and (11)messages and e-mails. They can learn about the world (12)　.Now computers are (13)　used in banks, factories, airports and so on. The computer is coming in everyone’s (14)　, so it is important for us to learn (15)　to use a computer freely.

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