单项选择题
A.she can be observed by radar B.she can be observed visually from the other vessel C.she can be plotted on radar well enough to determine her heading D.her fog signal can be heard
A.Sound one blast of the whistle B.Alter course to starboard C.Construct a radar plot D.Sound the danger signal
A.American Consul B.Classification Society C.Captain of the Port D.Officer in Charge,Marine Inspection