問題詳情

21. A container is in distress in the position of 23°25’ North and 145°35’ West. All the vesselsin vicinity of the vessel keep sharp ______.
(A)watchout
(B)watch
(C) lookout
(D) rescue

參考答案

答案：C
難度：適中0.485714
統計：A(8),B(7),C(17),D(3),E(0)