單項(xiàng)選擇題The most likely time for oil pollution while bunkering is when（）.
A.final topping off is occurring
B.first starting to receive fuel
C.hoses are being blown down
D.hoses are disconnected and being capped
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1.單項(xiàng)選擇題Smoking in bed on a ship is prohibited（）.
A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations
2.單項(xiàng)選擇題Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
A.shall
B.should
C.may
D.would
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