题目内容

20

A. Under the river bed.
B. On the floor of the sea.
C. In the volcanoes.
D. At the foot of the mountains.

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21

A. Diamond Hunting.
B. Diamond—A Precious Stone.
C. Diamond—Symbol of Fortune.
D. How Is Diamond Formed and Found?

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Question 22-25 are based on the passage you have just heard.

A. The development of electronic musical instruments.
B. The relative costs of different types of musical instruments.
C. The performance of classical music on synthesizers.
D. The replacement of the harpsichord by the piano.

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23

At the beginning.
B. In the middle.
C. Near the end.
D. Just after the end.

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24

A. He thinks it is too soon to tell.
B. He disagrees with it.
C. He is prized by it.
D. He is alarmed by it.

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20

A. Under the river bed. B. On the floor of the sea. C. In the volcanoes. D. At the foot of the mountains.

21

Question 22-25 are based on the passage you have just heard.

23

24

A. Under the river bed.
B. On the floor of the sea.
C. In the volcanoes.
D. At the foot of the mountains.