A.a red light over a white light
B.a white light over a red light
C.a green light over a white light
D.two red lights in a vertical line
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A.a vessel restricted in her ability to maneuver
B.a vessel not under command
C.a vessel constrained by her draught
D.a vessel not under way
A.under sail
B.restricted in her ability to maneuver
C.crossing a channel
D.All of the above
A.white
B.green
C.red
D.yellow
A.one black ball
B.two cones with bases together
C.a cone，apex downward
D.two cones，apexes together
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
最新試題
A proper look-out shall be maintained（）.
Which statement about the Navigation Rules is TRUE?（）.
In a crossing situation，the stand-on vessel should normally（）.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
In dense fog a vessel without operational radar may not be justified（）at all but should anchor if it is safe and practicable for her to do so.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
In complying with the Rules，of what must the mariner take due regard?（）.
A proper look-out must be kept（）.
The Rules state that vessels may depart from the Rules when（）.