题目内容
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听力原文：W: Those trees next to your house am beautiful.
M: Yeah, and they're useful too. They cut down on the need/or air-conditioning,
Q: What does the msn mean？
(16)
A．The trees axe being cut down.
B．The trees help cool his house.
C．He needs more air-conditioning.
D．The trees axe blocking his view.
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听力原文：W: Those trees next to your house are beautiful.
M: Yeah, and they're useful too. They cut down on the need for air-conditioning.
Q: What does the man mean？
(16)
A．The trees are being cut down.
B．He needs more air-conditioning.
C．The trees help cool his house.
D．The trees are blocking his view.
听力原文：W: Dr. Cottam. You're studying the effects of air pollution on trees？
M" That's right.
W: Could you tell us something about it？
M: Trees in industrial areas grow much more slowly than they should. Worse still, trees hundreds of miles away also seem to be damaged by these same industries.
W: You mean "acid rain", I suppose.
M: Yes.
W: What effects does acid rain have on the environment'？
M: For a start, lakes polluted by it in this way can no longer support any fish. Gradually the acid rain washes elements out of the soil essential for healthy plant growth.
W: But I think that there's no general agreement on the causes and effects of acid rain.
M: That's right. The distances involved are so great that it's impossible to prove what's actually going on. And no one will willingly accept even partial responsibility for something that happens miles away.
W: But trees are dying. No one can deny that.
M: Exactly.
W: So how does your investigation go？
M: We've set up special glasshouses to keep a careful observation on the growth of the plants. We pump in controlled amounts of air pollutants, including ozone, which isn't always associated with acid rain.
W: Which industries emit ozone？
M: Mainly oil refining industry. We also occasionally cool the atmosphere in the greenhouses, which causes frost.
W: Have you had any results from these experiments yet？
M: It's still too early to draw any definite conclusions. But we've noticed that plants at low temperatures are affected more severely than those at normal temperatures.
W: So cold weather makes the effects of pollution worse？
M: It certainly looks that way. But we still hope to be able to persuade industries to take measures to reduce emissions of gases into the atmosphere.
(20)
A．Fishes die in lakes.
B．Elements needed for healthy plant growth are washed out of soft.
C．Trees grow much more slowly than they should.
D．It contributes to climate change and causes frost.
M: It sure is.The Greek style. was popular in the 18th century here.
Q: What are the speakers talking about？
(14)
A．A college campus.
B．A beautiful park.
C．An art museum.
D．An old building.
听力原文：W: Are those pictures in color or black and white？
M: Some are black and white and others are in color.
What do we know about the pictures？
A．They are all in color.
B．Not all of them are in color.
C．They are all black and white.
W: Sure. You know, I think I read something in the newspaper last week.
M: Yeah, there was an article about us since the last issue. See, we are trying to protect some of the open spaces on campus.
W: That's right. You are the group that is opposing the extension of the parking lot next to Smith Hall, right？
M: That's us. We just feel it is important to save some of the natural beauty of the campus, like those precious trees. Some of those trees are hundreds of years old.
W: It is a pretty place. My friends and I had picnics over there.
M: Then you understand how we feel. We are organizing a meeting on Thursday afternoon to get the administration to reconsider the parking lot plan.
W: Well, I have a class on Thursday afternoon.
M: But maybe you could sign your name on this paper. We're going to summit it to the administration to show how the students feel about this.
W: Sure, let me get a pen and I'll sign it.
M: I have a pen right here. And let me leave you this handout about the student action union. Maybe you could come to some of our meetings. We get together once a month.
W: Yeah, I'd like to know more about your group. Let me know when the next meeting is and I'll try to be there.
(23)
A．From the newspaper.
B．From her classmates.
C．From her friends.
D．From the man.
听力原文：M: What are those shirts made of？
W: They are made of cotton, but sometimes made of wool or nylon.
M: Are those made of cotton more expensive？
W: Yes, that' s right.
According to the dialogue, what kind of shirt is more expensive？
A．those made of silk.
B．those made of wool.
C．those made of cotton.
D．those made of nylon.
M: It sure is. The architecture of these buildings is in the Greek style. It was popular in the eighteenth century here.
What are the speakers talking about？
A．An art museum.
B．A college campus.
C．A beautiful park.
D．An architectural exhibition.
听力原文：M: How do you manage to feed your family when the food prices are so high？
W: We have a garden and some fruit trees, and we raise some fish in the small pond.
Q: What does the woman's family do about the high cost of food？
(19)
A．They produce part of their own food.
B．They sell their own produce.
C．They feed their family on cheap food.
D．They buy food from farmers.
听力原文：W: John, remember to drop off those textbooks at Andrew's on the way to class.
M: Oh, thanks for the reminder. I'm on my way there.
Q: What will the man probably do next？
(13)
A．Go to Andrew's place before class.
B．Go to Andrew's place after class.
C．Go back to his room to get the book.
D．Go to class.
听力原文：M. Need a hand with those boxes？
W: That's OK, I can manage. They're empty.
Q: What does the woman mean？
(13)
A．The man should have offered his assistance earlier.
B．She doesn't need the man's help.
C．She didn't realize the boxes were empty.
D．She wants the man to move the boxes.
