A.thank
B.be thankful
C.be thanked
D.be thankful for
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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
A.Distress position
B.Spoken words“Mayday，Mayday，Mayday”
C.Ship's name
D.Ship's call letters
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
最新試題
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
Aboard a survival craft，ether can be used to（）.
Of the following，（）is not likely found in The Mariners Handbook.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
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（）.
A sweep oar is an oar that is（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
An orange flag showing a black circle and square is a（）.