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听力原文：W: I certainly hope that this film is worthwhile. My feel are freezing, and I can't stand it much longer.
M: I hate standing in line anyway. If we don't get in soon, let's just forget it and go somewhere else.
Q: Where are the man and woman at this moment？
(13)

A. In a theatre.
B. In line at a museum.
C. In line outside a movie house.
D. In the tube.

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B: Yes, Professor Smith. We did.
S: Who's your lab partner, Bob？
B: Anne Wilson.
S: Well, Anne, can you and Bob go over the procedure for the class？
A: Sure. Firs(we put ten grams of crushed limestone in a bottle.
S: Anything special about the bottle？
B: It was a gas - collecting bottle with a one - hole stopper and bent glass tubing.
S: Very good. So you put the limestone in a gas - collecting bottle. Then what？
A: Then we poured in ten milligrams of hydrochloric acid, put on the stopper, and collected a bottle of carbon dioxide.
S: Right, What was the method of collection？
A: Water displacement.
S: Good.
A: Then, we lit a magnesium ribbon and put it in the bottle or carbon dioxide.
B: And carbon deposits began to form. on the bottom of the bottle, You see, we didn't have any problem with procedure.
A: Well, we had a little problem getting the magnesium ribbon to stay lit until we could get it into the bottle.
B: Okay. But we did it. The big problem was that we really didn't understand what happened. Did the magnesium combine with the oxygen in the carbon dioxide？
S: You have just answered your own question, Bob. The burning magnesium broke the carbon - oxygen bonds in the carbon dioxide, and then the oxygen combined with the magnesium to produce magnesium oxide.
A: And the carbon was freed to deposit itself on the bottle.
S: Exactly.
(23)

A. To discuss the results of the lab experiment.
B. To answer Bob' s question about the lab experiment.
C. To explain the method of collection by water displacement.
D. To prepare the students to do the lab experiment.

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Whole-grain cereals and high-fiber breads ale examples that manufacturers meet consumers'

A. Y
B. N
C. NG

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Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文：M: Our rent is now just $ 600 a month.
W: I know. It's exactly one-third more than it was when we first rent it.
Q: How much rent had been paid at first？
(12)

A. $300.00
B. $200.00
C. $500.00
D. $450.00

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听力原文：W: All of your classmates seem so enthusiastic about running in the race.
M: But in the end only three of them actually participated in it,
Q: What does the man say about his classmates？
(14)

A. They didn't watch the end of the race.
B. Only three of them didn't finish the race.
C. Most of them didn't run.
D. They participated in the last three races.

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听力原文：W: I certainly hope that this film is worthwhile. My feel are freezing, and I can't stand it much longer.M: I hate standing in line anyway. If we don't get in soon, let's just forget it and go somewhere else.Q: Where are the man and woman at this moment？(13)

A. In a theatre. B. In line at a museum. C. In line outside a movie house. D. In the tube.

Whole-grain cereals and high-fiber breads ale examples that manufacturers meet consumers'

听力原文：W: All of your classmates seem so enthusiastic about running in the race.M: But in the end only three of them actually participated in it,Q: What does the man say about his classmates？(14)

听力原文：W: I certainly hope that this film is worthwhile. My feel are freezing, and I can't stand it much longer.
M: I hate standing in line anyway. If we don't get in soon, let's just forget it and go somewhere else.
Q: Where are the man and woman at this moment？
(13)

A. In a theatre.
B. In line at a museum.
C. In line outside a movie house.
D. In the tube.

听力原文：W: All of your classmates seem so enthusiastic about running in the race.
M: But in the end only three of them actually participated in it,
Q: What does the man say about his classmates？
(14)