A.Opening the automatic drain plugs
B.Draining the water pockets
C.Using the electric bilge pump
D.Using the bailers and cellulose sponge
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A.Jack the vessel back up to a safe height
B.Proceed on to your next destination since the list is unimportant
C.Pump out all ballast to gain reserve buoyancy
D.Notify the Coast Guard
A.thank
B.be thankful
C.be thanked
D.be thankful for
A.frequent opening of hatches to permit entry of fresh air
B.regular checks of bilge levels
C.use of ear plugs to dampen engine noise
D.frequent flushing of the water spray system with fresh water
A.has little use for ocean-going mariners
B.permits the mariner to select and simultaneously calculate tidal heights for multiple ports for up to seven days
C.includes periods of daylight and nautical twilight，moon phases and a springs and neaps indicator
D.is supplied in the form of a single CD which contains the calculation program and the seven geographic Area Data Sets（ADS）providing global coverage
A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply
最新試題
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
An inflatable liferaft is hand-launched by（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.
The Lists of Meteorological Observation Stations can be found in（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
A sweep oar is an oar that is（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.