問題詳情

40.Every vessel shall maintain a proper look-out by sight and hearing as well as by allavailable means appropriate in the prevailing circumstances and conditions so as to make a fullappraisal of situation and of the risk of collision.
(A)at all times
(B)often
(C)sometimes
(D)usually

參考答案

答案:A
難度:非常簡單0.931035
統計:A(108),B(3),C(2),D(3),E(0)

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