单项选择题

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

A. New varieties of corn have been developed.
B. The crops need less fertilizer.
C. Farmers can now monitor crop growth.
D. Crop yields are much greater.
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单项选择题
A. Her apartment is too far from the campus.B. Her apartment needs a lot of repair work.C. She’s having trouble with the owner of the apartment.D. Her roommate won’t share expenses.
A. Her apartment is too far from the campus.
B. Her apartment needs a lot of repair work.
C. She’s having trouble with the owner of the apartment.
D. Her roommate won’t share expenses.
单项选择题
A. Because of its shape.B. Because of its skin.C. Because of its size.D. Because of its behavior.
A. Because of its shape.
B. Because of its skin.
C. Because of its size.
D. Because of its behavior.
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