問題詳情

24
(A) The genes of a species of whales were mutating.
(B) Some have even crawled into beds and waited for their preys there.
(C) Obvious examples are the changes in the fish population around Borneo in the Pacific.
(D) Some animals have changed their genes so radically that they have to be classified as a new species.

參考答案

答案:A
難度:困難0.384615
統計:A(5),B(3),C(2),D(3),E(0)

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