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單項選擇題

A vessel aground at night is required to show two red lights in a vertical line as well as （）.

A.not under command lights
B.restricted in her ability to maneuver lights
C.anchor lights
D.sidelights and a sternlight

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單項選擇題

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

單項選擇題

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

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