摘要： Do you think the computer today is inventions?
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| The computer is a very wonderful machine today, and it's so 1 that it seems that we 2 live or work without it. Computers are used in many 3 , such as offices, factories, big shops, schools and even homes. With the computer people are living a better 4 . The computer is one of the greatest inventions in the 5 century. The first computer was built in America in 1945 which was named ENIAC, and it was not only very 6 , but also quite heavy. It was as big as ten ordinary (普通的) rooms! But the computer is developing very fast. Today they're becoming smaller and smaller, lighter and lighter, and 7 faster and faster. There are so many kinds of different computers in the market that you can choose one that you like best. The computer can do a lot of things for people, and it also helps us to learn about the real world. With the computer you can 8 an e-mail just in a few seconds to your friend far away, but if you post the letter, it will take your friend quite a long time to receive your 9 . Now you can see the computer really gives us a very nice picture about the world of tomorrow. So as a student in the 21st century, you have to work hard and learn how to 10 the computer very well. Don't you think so? | ||||
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词类转换 根据所给词汇，填入一个正确的形式。
1. Edison kept _______ out his new idea.(try)
2. Do you think the computer today is _______ inventions?(useful)
3. I saw a boy ________ on the railway tracks near the station.(play)
4. I want to learn how to run quickly and to eat _______.(health)
5. She speaks too quietly.Tell her ______ a little louder.(speak)
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2. Do you think the computer today is _______ inventions?(useful)
3. I saw a boy ________ on the railway tracks near the station.(play)
4. I want to learn how to run quickly and to eat _______.(health)
5. She speaks too quietly.Tell her ______ a little louder.(speak)