单项选择题
Every deck officer should be able efficiently carry out:()
A.Administration;
B.Navigation/Collision Avoidance;
C.Conning;
D.Above of all.
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单项选择题
Every deck officer should be able efficiently carry out:()
A.Administration;
B.Navigation/Collision Avoidance;
C.Conning;
D.Above of all.
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