单项选择题
A.more slack in the mooring lines B.a strain on the mooring lines C.chafing gear on the mooring lines D.grease on the mooring lines
A steep barometric gradient indicates （）.A.calmsB.light...
单项选择题A steep barometric gradient indicates （）.
A.calms B.light winds C.strong winds D.precipitation
A stand-on vessel in a crossing situation is allowed to...
单项选择题A stand-on vessel in a crossing situation is allowed to take action when （）.
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 marker pole，with a horseshoe buoy and a sea anchor at...
单项选择题A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to （）.
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
