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
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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
A.vessels ascending the river
B.vessels descending the river
C.all vessels ascending and descending the river
D.None of the above
最新試題
A vessel being towed will show（）.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
A head-on situation at night is one in which you see（）.
A vessel crossing a river on the Western Rivers has the right of way over（）.
Which statement about the Navigation Rules is TRUE?（）.
If a vessel of special construction cannot fully comply with the Rules，her degree of compliance shall be determined by（）.
A vessel engaged in trawling will show identification lights of（）.
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）.
A proper look-out shall be maintained（）.