单项选择题

Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A. It’s being drained from Nebraska to Texas.
B. It’s being pumped out.
C. It’s becoming contaminated with oil.
D. It’s becoming much warmer.
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单项选择题
A. How sea animals manage to exist. B. How large sea animals can be. C. How frightening the squid is. D. How little is known about the sea.
A. How sea animals manage to exist.
B. How large sea animals can be.
C. How frightening the squid is.
D. How little is known about the sea.
单项选择题
A. She is going to drop the class too.B. She doesn’t know how to swim.C. It took her a long time to learn to swim.D. She teaches swimming.
A. She is going to drop the class too.
B. She doesn’t know how to swim.
C. It took her a long time to learn to swim.
D. She teaches swimming.
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