单项选择题

Passage Three
Questions 33 to 35 are based on the passage you have just heard.

A. They can prevent soil from being blown away.
B. They can improve the yield of crops.
C. They can provide wood when cut down.
D. They can protect crops from the strong sunshine.
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单项选择题
A. They are places for people to exchange their goods.B. They are places for residents to heap the useless things.C. They are sales set for residents to sell and buy used things.D. They are sales set by stores to put their goods on sale.
A. They are places for people to exchange their goods.
B. They are places for residents to heap the useless things.
C. They are sales set for residents to sell and buy used things.
D. They are sales set by stores to put their goods on sale.
单项选择题
A. A presentation they’re going to do. B. A TV program the man is watching.C. Visiting a good friend of theirs. D. Studying for a coming test.
A. A presentation they’re going to do.
B. A TV program the man is watching.
C. Visiting a good friend of theirs.
D. Studying for a coming test.
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