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單項(xiàng)選擇題

You notice oil on the water near your vessel while taking on fuel. You should first（）.

A.stop fueling
B.notify the senior deck officer
C.notify the terminal superintendent
D.determ ne whether your vessel is the source

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單項(xiàng)選擇題

You should plot your dead reckoning position（）.

A.when you obtain an estimated position
B.only in piloting waters
C.at every speed change
D.All of the above are correct

單項(xiàng)選擇題

You should plot your dead reckoning position at（）.

A.every fix or running fix
B.every course change
C.every speed change
D.All of the above are correct