填空题

Science to the human mind is ______.(正如水或空气之于身体).

【参考答案】

what air or water is to the body
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单项选择题
The main idea of paragraph 3 is ______.
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B．why wildlife likes the noise and commotion in the cities
C．that wildlife refuges have been built in the cities
D．why wildlife is returning to cities
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What does the word corrupt (Line 5, Para. 4) mean
A．Make morally bad.
B．Hurt.
C．Injure.
D．Damage.
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