問題詳情
16.「Wreck, depth unknown, which is not considered dangerous to surface navigation」- it will bemarked in the chart by:
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
參考答案
答案：D
難度：非常困難0
統計：A(2),B(0),C(1),D(0),E(0)
難度：非常困難0
統計：A(2),B(0),C(1),D(0),E(0)