34. Vessel distress danger navigation.(A) at,on (B) on, in (C) of, for (D) in, to

問題詳情

34. Vessel distress danger navigation.
(A) at,on
(B) on, in
(C) of, for
(D) in, to

參考答案

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

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