A.Distress position
B.Spoken words“Mayday，Mayday，Mayday”
C.Ship's name
D.Ship's call letters
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A.generally shorter than the others and is used to steer with
B.is longer than the others and is used as the stroke oar
C.is raised in the bow of the boat for the steersman to steer by
D.longer than the others used for steering
A.immediately jump in the water to assist the individual
B.go to the bridge for the distress flares
C.run to the radio room to send an emergency message
D.call for help and keep the individual in sight
A.danger，stay away
B.all is clear，it is safe to pass
C.all is clear，it is safe to approach
D.a distress signal
A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG（center of gravity）off center
A.immediately put the rudder over hard right
B.immediately put the rudder over hard left
C.immediately put the engines astern
D.wait until the stern is well clear of the man and then put the rudder over hard right
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To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
Light Lists for coastal waters are（）.
The Lists of Meteorological Observation Stations can be found in（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
Mariners not entering the port are（）to keep at least one mile off.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
Aboard a survival craft，ether can be used to（）.
A sweep oar is an oar that is（）.