单项选择题

Which of the following would be of immediate concern after discovering a large fire in the ship’s galley?（）

A.An adjacent storeroom，containing spare parts
B.A storeroom directly above，containing combustible fluids
C.An adjacent storeroom，containing mattresses and linen
D.An adjacent storeroom，marked "Stewards Stores"

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单项选择题

Which item may be substituted for，in the fireman’s outfit，on a cargo vessel?（）

A.fire ax
B.flashlight
C.rigid helmet
D.flame safety lamp

单项选择题

Which extinguishing agent will cool down a heated bulkhead in the least amount of time?（）

A.Water stream
B.Water fog or apray
C.Steam
D.Dry chemical