I think I got serious about this only recently when I ran into one of my former studen

A．A.ran into

B．B.went up

C．C.looked after

D．D.came to

Man: Do you think that Bob is serious about Sally？

Woman: Well, I know this. I've never seen him go out so often with the same girl.

Question: What conclusion can we draw from the woman's statement？

A．Bob is serious about Sally.

B．Bob never goes steady with a girl.

C．Bob will soon change his girlfriend.

D．Bob is not serious about Sally.

听力原文：M: I think I've got this experiment set up right now.

W: You only think it's right？ In chemistry you've got to be sure.

What's the woman suggesting to the man？

A．He should not do the experiment after all.

B．He must be extremely careful.

C．She will help him do the experiment.

D．She's sure he is right

听力原文：M: I think I've got this experiment set up right now.

W: You only think it's right？ In chemistry, you've got to be sure.

Q: What does the woman imply？

(17)

A．She is a chemist and has to do lots of experiments.

B．He must be extremely careful.

C．He is very careless during the experiment.

D．She doesn't think the man is right.

听力原文：M: I think I've got this experiment set up right now.

W: You only think it's right？ In chemistry, you've got to be sure.

Q: What does the woman imply？

(17)

A．He should do the experiment later.

B．He must extremely careful.

C．She is willing to do the experiment for him.

D．She's sure he is not right.

Man: Do you think that Bob is serious about Sally？

Woman: Well, I know this. I've never seen him go out so often with the same girl.

Question: What conclusion can we draw from the woman's statement？

A．Bob is serious about Sally.

B．Bob never goes steady with a girl.

C．Bob will soon change his girlfriend.

D．Bob is not serious about Sally.