阅读填空（共2小题）
The computer was one of the most important_______of last century．The first computer was as large as a room．Now some computers are as small as television sets．Some computers can even be made smaller _______ a book.  About 20 years ago, the computer was a _____machine in China, not many people understood it and said yes to it．Today much of that is changing．In 1984, Deng Xiaoping ______two pupils working on the computers in Shanghai, he said that computer lessons ________start from child．So there was the first computer book for middle school students．Now in Shanghai ________all middle schools have classrooms for computer courses(课程)．Some of the students now have their _______comptuers at home．With the help of internet, they can send and ___________messages and  e-mails．They can learn about the world more, quickly．Now computers are_______used in banks, factories, airports and so on．The computer coming into everyone’s________, so it is important for us to learn how to use a computer freely.