单项选择题

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

A. Botany is a very ancient learning.
B. People in the Stone Age knew a lot about plants.
C. People in the Stone Age knew little about plants.
D. Pre-industrial societies have little insights about plants.
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单项选择题
A. Almost one million. B. About 600 thousand. C. Nearly 400 thousand. D. Approximately 200 thousand.
A. Almost one million. B. About 600 thousand.
C. Nearly 400 thousand. D. Approximately 200 thousand.
单项选择题
A. It doesn’t move at all.B. It moves much faster than regular lines.C. It’s next to the regular lines.D. It’s her favorite.

A. It doesn’t move at all.
B. It moves much faster than regular lines.
C. It’s next to the regular lines.
D. It’s her favorite.
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