2. 外语
  3. A、It can do everything that man does. B、Our lives have been changed a lot. C、More and more information can be stored in a comput

A、It can do everything that man does. B、Our lives have been changed a lot. C、More and more information can be stored in a comput

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问题  
M：When was the first computer built?
W：It was built in 1944.
M：Is it the same as the computers that we use now?
W：No，it was as large as a room and worked very slow.
M：But computers have become smaller，and worked faster now.
W：Yes. Most computers are as small as a TV set. Some can be made smaller than a book.
M：Why is a computer so useful?
W：It can keep much information and work very fast.
M：Then they can do a lot of work for us.
W：You are right. They have greatly changed our lives.
选项 A、It can do everything that man does.
B、Our lives have been changed a lot.
C、More and more information can be stored in a computer.
D、It can do everything for man.
答案B
解析 对话中男士问到Why is a computer so useful?女士回答It can keep much information and work very fast.男士接着说Then they can do a lot of work for us.对话最后，女士做出了总结：电脑给我们带来的最大的好处就是They have greatly changed our lives.即电脑极大地改变了我们的生活，据此可以得知B为正确答案。
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