According to the second paragraph, crows are poor subjects for field research for all of the

問題詳情

27. According to the second paragraph, crows are poor subjects for field research for all of the following reasons EXCEPT:
(A) They can successfully avoid observers
(B) They are hard to distinguish from one another
(C) They can be quite aggressive
(D) They are difficult to catch

參考答案

答案：C
難度：困難0.333333
統計：A(1),B(0),C(1),D(1),E(0)

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