单项选择题
A.under sail B.restricted in her ability to maneuver C.crossing a channel D.All of the above
A vessel engaged in fishing must display a light in the...
单项选择题A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is（）.
A.white B.green C.red D.yellow
A vessel engaged in fishing during the day would show（）...
单项选择题A vessel engaged in fishing during the day would show（）.
A.one black ball B.two cones with bases together C.a cone，apex downward D.two cones，apexes together
A vessel enagaged in fishing，and at anchor，shall show（）...
单项选择题A vessel enagaged in fishing，and at anchor，shall show（）.
A.an anchor light B.sidelights and a sternlight C.three lights in a vertical line，the highest and lowest being red，and the middle being white D.None of the above
