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单选题 英语六级
2016-11-06

A．Enforcing measures to limit runoff should be sufficient to control the starfish population.
B．Recent discoveries about CoT starfish have made controlling its population easier.
C．It will be possible only after the causes of starfish population changes are better understood.
D．Monitoring populations of young starfish will probably not be useful.
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参考答案

C

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A．Reduction of starfish,populations.    
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