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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A.having engaged in fishing
B.engaging in fishing
C.engaged in fish
D.engaged in fishing
A.including
B.inclusive of
C.except that
D.other than
A.only at night
B.only during restricted visibility
C.at night and during restricted visibility
D.at all times
A.only in fog
B.only between the hours of sunset and sunrise
C.only when entering and leaving port
D.at all times
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
最新試題
A vessel being towed astern shall show at night（）.
A proper look-out must be kept（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
A vessel engaged in mine clearance operations is called（）.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A vessel engaged in trawling will show identification lights of（）.
A vessel being pushed ahead is required to carry which of the following lights?（）.
A vessel enagaged in fishing，and at anchor，shall show（）.
One of the factors which affects the circulation of ocean currents is（）.
A vessel engaged in fishing shall keep out of the way of a vessel（）.