A.hoist man B.limit switch C.brake handle D.preventer bar
A.the painter B.the after boat fall only if the boat is waterborne C.both falls at the same time only if the boat is waterborne D.both falls at the same time even if the boat has not reached the water
A.shorter than the others B.used for the stroke oar C.used by the forward man in the boat to direct the bow D.longer than the others and should be lashed to the stern
A.shown B.expressed C.appeared D.displayed
A.getting B.to get C.to have got D.for getting
A.A continuous sounding of the fog horn B.Firing a gun every minute C.Five or more short rapid blasts on the whistle D.A square flag and ball flown from the mast
A.stop down B.speed down C.slow down D.down slow
A.course B.track C.direction D.trend
A.a positive righting moment B.an increase in KM C.a negative restoring force D.a positive restoring force
A.fuel supply valve should be closed B.hatches，doors，and oar ports should be closed C.air cylinder shut-off valve should be closed D.engine should be shut off
