A.calms
B.light winds
C.strong winds
D.precipitation
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A.on a collision course
B.the vessels will pass within one mile
C.it becomes apparent to her that the give-way vessel is not taking appropriate action
D.the relative speed of the vessels indicates collision in less than six minutes
A.mark the position of a lost mooring
B.determine your vessel's sideslip underway
C.determine your speed through the water
D.indicate location of a man overboard
A.Conspicuous
B.Permanent
C.Preliminary
D.Temporary
A.From
B.By
C.on
D.With
A.either，or
B.neither，nor
C.another，nor
D.other，or
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