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單項(xiàng)選擇題

A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.

A.having engaged in fishing
B.engaging in fishing
C.engaged in fish
D.engaged in fishing

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單項(xiàng)選擇題

A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.

A.including
B.inclusive of
C.except that
D.other than

單項(xiàng)選擇題

A proper look-out shall be maintained（）.

A.only at night
B.only during restricted visibility
C.at night and during restricted visibility
D.at all times

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