单项选择题

Passage One
Questions 26 to 28 are based on the passage you have just heard.

A. Why it is difficult to use aerial photographs in research.
B. Why oceanic research is so limited.
C. How oceanic research has helped land research.
D. How fossil remains are obtained from deep sea.
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单项选择题
A. It can be seen from an airplane. B. It’s most likely polluted. C. It’s usually a bright green color. D. The supply of it may be exhausted soon.
A. It can be seen from an airplane.
B. It’s most likely polluted.
C. It’s usually a bright green color.
D. The supply of it may be exhausted soon.
单项选择题
A. Because he has some knowledge of the law.B. Because he once had the same problem.C. Because he is a friend of the owner.D. Because he can bring a lawsuit against the owner.
A. Because he has some knowledge of the law.
B. Because he once had the same problem.
C. Because he is a friend of the owner.
D. Because he can bring a lawsuit against the owner.
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