問題詳情
20. A dangerous wreck in the position of 52°12’ North and 112°36’ East is marked by a ______ toindicate the direction of safety water.
(A) cardinal buoy
(B) light boat
(C) superbuoy
(D) derelict vessel
(A) cardinal buoy
(B) light boat
(C) superbuoy
(D) derelict vessel
參考答案
無參考答案
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