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A．That Tom is unkind.B．That Tom can't help.C．That Tom will help.D．That Tom wants money
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听力原文：W: Look, I'm sorry, but the books for Chemistry 100 aren't in yet.
M: Why not？ School started last week.
W: I really don't know. Maybe the professor ordered them late, or the publisher ran out of then and they are on back order.
M: This is awful. I'm worried about this course anyway. I didn't do that well in chemistry in high school.
W: I know what you mean. Did you check the used book section？
M: Yes. No luck there.
W: Okay. Look, why don't you go over to the library？ I'll bet that the professor put at least one copy on reserve.
M: Do you think so？ That would he great. At least I could make copies of the pages that I need until the books come in. Oh, wait. If there's only one copy, everyone will be trying to do that.
W: True, well, we do have a bulletin heard. You could put a notice up that you are looking for a book for Chemistry 100, and maybe someone who has it will want to sell it directly to you. Do you have a phone in the dorm？
M: Yeah. I'll just put my name and phone number on the notice. That's a great idea! Where's the bulletin board？
W: By the T-shirts and clothing near the front door. Oh, and he sure to put down the exact title of the hook, too, because they don't always use the same one.
M: Thanks. You've been a big help.
(20)
听力原文：W: Exercise, exercise, exercise. We hear so much about it these days, yet even the experts can't agree on which exercises are best. Now some doctors are strongly encouraging arm exercises.
M: Ann exercises？ Is that because our arms are too fat or flabby？
W: Actually, that's not the main reason. They say that arm exercises are an ideal way to become physically fit.
M: But don't arm exercises raise your blood pressure？
W: That they do. But the article I read mentioned ways to compensate for that.
M: How？
W: By adding leg exercises, so the arms don't do all the work. Arm exercises alone aren't enough to increase metabolism before fatigue sets in. The more of the body that's involved in the exercise, the better.
M: And in turn, I'm sure that there's a greater chance of losing weight.
W: Sounds right to me.
M: So what exercises do the experts recommend？
W: They mentioned quite a few but some of the more popular ones are cycling with special bicycles that make you use both your arms and legs, and walking vigorously while you wear arm weights.
M: I must try that, I like to walk a lot.
(23)
A．Too many people are smoking.B．The breeze is so strong.C．The window is closed.D．The r
A．Take a different bus.B．Go shopping at the new store.C．Find a new repair garage.D．Buy
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