問題詳情

5. Which of the following is true according to this passage ?
(A) The more diverse a natural system is,the more stable.
(B) Maximum output of a single crop may be harmful to the whole system.
(C) Human intervention in a natural system is often counterproductive.
(D) All of the above

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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