問題詳情

36. In Europe and America, what happens when some insect species become extinct?
(A) The insect decrease wreaks significant economic damage.
(B) With less biodiversity, the ecosystem continues with great difficulty.
(C) The environmental health remains intact.
(D) The sudden collapse of the ecosystem is expected.

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(2),D(0),E(0)

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