問題詳情

14. Why is it difficult for ravens to steal the kittiwakes' eggs?
(A) The kittiwakes can see the ravens approaching the nest.
(B) The ravens cannot land on the narrow ledges where kittiwakes nest.
(C) The kittiwakes' eggs are too big for the ravens to carry.
(D) The female kittiwakes rarely leave the nest.

參考答案

答案:B
難度:非常簡單1
統計:A(0),B(8),C(0),D(0),E(0)

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