A.destination
B.answer
C.time
D.ending
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A.The motion of the apparent sun is along the ecliptic
B.Measurement of time is along the celestial equator
C.The speed of the Earth's revolution is not constant
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A.Mine Safety Appliance Association
B.American Chemical Society
C.Marine Chemists Association
D.National Fire Protection Association
A.can be absorbed through the skin
B.causes irreversible damage to eye tissue
C.is a very unstable product
D.All of the above
A.dump valve
B.deflector
C.separator
D.diverter
A.poor fix
B.good fix
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最新試題
After launching，an inflatable raft should be kept dry inside by（）.
Of the following，（）is not likely found in The Mariners Handbook.
Aboard a survival craft，ether can be used to（）.
Mariners not entering the port are（）to keep at least one mile off.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
An orange flag showing a black circle and square is a（）.
The latest known details of lights are given in（）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.