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