A.Cooling ability
B.Leaves no residue
C.Penetrating power
D.Nonconductivity
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A.Scorpio
B.Corvus
C.Libra
D.Corona Borealis
A.inflatable buoyant apparatus type
B.buoyant apparatus type
C.life float type
D.Any of the above types are acceptable
A.Masthead lights and sidelights
B.One sidelight，the masthead lights and stern light
C.Both sidelights
D.Stern light
A.MAF
B.MAB
C.MAA
D.MAE
A.a line on a weather map connecting equal points of both temperature and pressure
B.an instrument that measures the climatological effects of temperature
C.a line connecting points of equal barometric pressure on a weather map
D.a line connecting points of equal temperature on a weather map
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As a high pressure system approaches，the barometer reading（）.
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As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.
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As defined in the regulations governing marine casualties a “marine employer” may be the（）.
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