A.two all-round red lights in a vertical line
B.three all-round red lights in a vertical line
C.two all-round yellow lights in a vertical line
D.three all-round green lights in a vertical line
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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
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
最新試題
A vessel being towed will show（）.
If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.
A vessel conducting mine clearing operations will show（）.
A vessel engaged in fishing shall keep out of the way of a vessel（）.
A vessel engaged in trawling will show identification lights of（）.
A vessel crossing a river on the Western Rivers has the right of way over（）.
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）.
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A vessel being pushed ahead is required to carry which of the following lights?（）.
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.