单选题
A. It was as large as a TV set. B. It was as large as a room. C. It was as large as a book. D. It was as small as a palm.
【正确答案】
B
【答案解析】[听力原文] W: When was the first computer built? M: It was built in 1944. W: Is it the same as the computers that we use now? M: No, it was as large as a room and very slow. W: But computers have become smaller and faster now. M: Yes. Most computers are as small as a TV set, and some are even smaller than a book. W: Why is a computer so useful? M: It can keep much information and work very fast. W: Then they can do a lot of work for us. M: You're right. They have greatly changed our lives.
What was the first computer like?
[解析] 问：第一台计算机看上去像什么?A．和一台电视机一样大；B．和一间房间一样大；C．和一本书一样大；D．像手掌那么小。从文字第四行“it was as large as a room and very slow.”可知答案是B。
单选题
A. It becomes smaller. B. It works faster. C. Both A and B. D. It works as fast as the original one.
【正确答案】
C
【答案解析】[听力原文] What changes has the computer undergone?
[解析] 问：计算机经历了哪些变化?A．越来越小；B．运行越来越快；C．不仅越来越小，而且运行越来越快；D．运行与原来一样快。从文字第五行“But computers have become smaller and faster now.”可知答案是C。
单选题
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. Everything remains the same as before.
【正确答案】
B
【答案解析】[听力原文] What is the result of the invention of the computer?
[解析] 问：计算机的发明导致了什么结果?A．它能做人所做的一切事情；B．我们的生活发生了很多变化；C．越来越多的信息可以存储在计算机里；D．一切还是像以前一样。从文字最后一句“They have greatly changed our lives.”可知答案是B。