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M: If I were you, I would study for four hours every night in order to improve my English.
W:Well, you see, I haven’t got that much time to spare.
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M: Nancy, why were you late for class this morning
W: I overslept and missed the bus.
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W: You were absent from class yesterday, Jack.
M: I’m terribly sorry I couldn’t come. I had a headache.
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W: You were absent from work yesterday, Brown.
M: I’ m terribly sorry I couldn’ t come. I had a head ache.
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W: Can you hand me four eggs, please
M: Sure. Do you need anything else
W: Yes. Give me some sugar and chocolate. Now everything is ready for my super chocolate pie.
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M: If I were you, I would take a plane instead of a bus. It will take you a whole day to get there.
W: But fly in makes me so nervous.
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M: I saw the movie you were talking about. It was a waste of time.
W: Really I liked it very much. I think it’s one of the best movies of the year.
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M: I thought that you were going to the convention in Atlanta last Saturday.
W: I was planning to, but I haven’t been feeling well, so I Stayed home.
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W: OK, last night you were supposed to read an article about human bones. Are there any comments about it
M: Well, to begin with, I was surprised to find out there was so much going on in bones. I always assumed they were pretty lifeless.
W: Well, that’s an assumption many people make. But the fact is bones are made of dynamic living tissue that requires continuous maintenance and repair.
M: Right. That’s one of the things I found so fascinating about the article the way the bones repair themselves.
W: OK. So can you tell us how the bones repair themselves
M: Sure. See, there are two groups of different types of specialized ceils in the bone that work together to do it. The first group goes to an area of the bone that needs repair. This group of cells produces the chemical that actually breaks down the bone tissue, and leaves a hole in it. After that the second group of specialized cells comes and produces the n
A. Two different types of bones in the human body.
B. How bones help the body move.
C. How bones continuously repair themselves.
D. The chemical composition of human bones.
[听力原文]
M: If I were you I’ d live in the city instead of going to work by train.
W: But the countryside is so beautiful in spring and fall.
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