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 vessel()a crossing vessel,shall not normally enter a separation zone or cross a separation line.
A vessel enagaged in fishing,and at anchor,shall show().
A vessel engaged in mine clearance operations is called().
A vessel crossing a river on the Western Rivers has the right of way over().
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights().
A vessel approaching your vessel from 235°relative is in what type of situation?().
A proper look-out must be kept().
In complying with the Rules,of what must the mariner take due regard?().
A vessel conducting mine clearing operations will show().
A vessel engaged in fishing during the day would show().