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
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
Of the following，（）is not likely found in The Mariners Handbook.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
After launching，an inflatable raft should be kept dry inside by（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.
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（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.