A.two red lights at night and two black balls during daylight
B.two red lights at night and three black balls during daylight
C.three red lights at night and two black balls during daylight
D.three red lights at night and three black balls during daylight
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A.two all-round red lights in a vertical line
B.anchor lights and sidelights
C.two all-round white lights in a vertical line，sidelights and a stern light
D.two all-round red lights in a vertical line，sidelights，and a stern light
A.white lights are not used
B.red and green lights are not used
C.the signal cannot be mistaken for a signal authorized by the Rules
D.the vessel signals such intentions over the radiotelephone
A.are not the same color as either side light
B.have a lesser range of visibility than the prescribed lights
C.do not impair the visibility or distinctive character of the prescribed lights
D.All of the above
A.wearing a life jacket
B.wearing a safety harness secured to the stage
C.wearing both a life jacket and a safety harness secured to the stage
D.the vessel is not making way
A.Coastwise Articles
B.Foreign Articles
C.Intercoastal Articles
D.no articles
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