单项选择题

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

A. Germ-carrying insects.
B. Certain strains of bacteria.
C. Foul odors released from swamps.
D. Creatures living near swamps.
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单项选择题
A. It is read only by children. B. It is of no value.C. It is not helpful. D. It is read by many.
A. It is read only by children.
B. It is of no value.
C. It is not helpful.
D. It is read by many.
单项选择题
A. It is wasted. B. It is a small sum. C. It is worthwhile. D. It is useless.
A. It is wasted. B. It is a small sum.
C. It is worthwhile. D. It is useless.
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