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我徂东山,慆慆不归。____,____。

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“信誓旦旦”这个成语出自《诗经》 中的《谷风》。

A. 对
B. 错

There is a cyclical rise and fall in both the predator and prey populations with time.

A. 对
B. 错

An increase in the birth rate of prey increases the predator population, but no the prey population.

A. 对
B. 错

Consumer-Resource system can have ()stable state.

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