單項(xiàng)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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1.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

2.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

3.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

4.單項(xiàng)選擇題A proper look-out must be kept().

A.only in fog
B.only between the hours of sunset and sunrise
C.only when entering and leaving port
D.at all times

5.單項(xiàng)選擇題A head-on situation at night is one in which you see().

A.one sidelight of a vessel ahead of you
B.one sidelight and a masthead light of a vessel ahead of you
C.one sidelight,a masthead light,and a range light of a vessel ahead of you
D.both sidelights of a vessel dead ahead of you