W: Did you watch the game last night
M: I wouldn’t have missed it for anything.
W: Did you hear the thunder last night
M: Did I It was really loud.
W: I didn’ t see any lightning, though. I thought that thunder and lightning always occur at the same time.
M: They do. It’ s no possible to have one without the other since thunder is a direct result of lightning.
W: Really
M: Yes. Thunder is caused by the rapid expansion and contraction of highly heated air along the path of an electrical discharge.
W: In other words, lightning quickly heats the air and causes thunder. But if the lightning is there, why can’t we see it
M: Because it sometimes occurs very high in the clouds.
W: I wonder if it’ s possible to see the lightning and not to hear the thunder.
M: Yes. It’ s possible if the lightning flashes far enough away. Sound doesn’ t travel as far as light.
W: Did you watch television last night, Richard
M: Yes, I did. Was there anything that interested you, Laura
W: There was a good game. Did you see it
M: Oh, I didn’t. I wanted to, but my wife preferred to see an old film.
W: What a pity! It was quite exciting. Both teams played very well.
M: How did it finish
W: It finished in a draw. What was the film like
M: It was quite good. But I missed the beginning of it because I had to eat first.
W: Did your wife enjoy it
M: No, she didn’t. After half an hour she stopped watching and started to read a book before going to sleep.
M: Did I hear that this is your last lecture here
W: Yes, I’ve accepted a better teaching position elsewhere.
M: Did you watch the NBA finals on Channel 4 last night
W: No, I decided to see the detective movie on Channel 8 instead. Afterwards, I fell asleep.
[听力原文]
M: Did I hear that this is your last lecture here
W: Yes. I’ve accepted a better teaching position elsewhere.
W: Did you watch the movie on TV last night
M: No. I’m thinking of getting rid of our TV set.
W: Why
M: That’s not the point. The problem is that all our free time is taken up by the TV. We don’t have any proper conversation any more. The kids come back home just to have time for TV programs.
W: Yes. But don’t you think some of the programs are interesting
M: Occasionally yes, but most of the time they’re rubbish. They’re either silly comedies or the sort of films filled with crime and violence.
W: But television is not to blame for that.
M: I’m sure it is. The TV has killed children’s creativity. It’s so easy to sit there watching others working.
W: I don’t quite agree with yon. Too much television is bad. But I think it is also teaching children many things. For example, what is going on in the world and how people live in other countries.
M: But t
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