单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

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