71 We live in the “ computer age”.
People like scientists, teachers ,writers and students use computers to do all
kinds of work. But more than 30 years ago ,computers couldn’t do much. They were
very big and very expensive.
72Very few people were interested in
them or know to use them. Today computers are smaller and cheaper 73Since
they can do a lot of work ,many people like to use them Some people
even have them at home .
74Computers become very important because
they can work faster and make fewer mistakesputers can help people do a lot of work. Writers
use them to write .75老师们使用它们辅助教学，学生们使用它们学习，孩子们用它们玩游戏。. Computers are very useful and helpful.
They are our good friends. Do you want to have a computer?
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听力材料
A) 1.M: How did you go to the park last
Sunday?
W: I went there by taxi.
2. M:
Hello may I speak to Lucy?
W: This is Lucy speaking.
