A.three balls in a vertical line
B.two balls in a vertical line
C.one ball near the foremast and one ball at each fore yard
D.one diamond near the foremast head and one ball at each fore yard
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A.a forward masthead light
B.sidelights and a sternlight
C.a towing light
D.All of the above
A.the lights required for a power-driven vessel underway
B.only the required masthead lights
C.a sternlight only
D.sidelights and a sternlight
A.Sidelights and a stern light
B.Sidelights only
C.Sidelights and a small white light at each end
D.A small white light at each end
A.Meeting
B.Overtaking
C.Crossing
D.Passing
A.avoid crossing the channel if it impedes another vessel navigating in the channel
B.not overtake any vessels within the channel
C.keep as close as possible to the edge of the channel on her port side
D.anchor only in the middle of the channel
最新試題
If the circumstances of the case admit，any vessel（）in a narrow channel.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A proper look-out shall be maintained（）.
A proper look-out must be kept（）.
A vessel engaged in trawling will show identification lights of（）.
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A vessel being towed will show（）.
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）.
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 engaged in fishing shall keep out of the way of a vessel（）.