A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B.should be righted by standing on the life line，holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself
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A.at the bow
B.at the stern
C.in the middle
D.all around
A.a painter
B.red smoke flares
C.a jackknife
D.a signal mirror
A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
A.on the prime vertical
B.on the celestial horizon
C.at lower transit
D.on the Greenwich meridian
A.quarter line
B.back line
C.peg line
D.jockey line
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After being rescued from the vessel accident，the people agreed that they had much to（）.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
After launching，an inflatable raft should be kept dry inside by（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
The light vessel is reported（）.
Of the following，（）is not likely found in The Mariners Handbook.
An inflatable liferaft should be manually released from its cradle by（）.