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單項(xiàng)選擇題

Any firefighting equipment that is carried in addition to the minimum required number on a ship must（）.

A.meet the applicable standards
B.be marked as additional equipment
C.be stowed in a separate area
D.All of the above

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單項(xiàng)選擇題

Any extinguishing agent used on a Class “C” fire must have which important property? （）

A.Cooling ability
B.Leaves no residue
C.Penetrating power
D.Nonconductivity

單項(xiàng)選擇題

Antares is found in what constellation?（）

A.Scorpio
B.Corvus
C.Libra
D.Corona Borealis

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