單項(xiàng)選擇題

A class "D" fire would be considered as burning （）.

A.wood
B.oil
C.electrical equipment
D.magnesium

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單項(xiàng)選擇題

One of the methods NOT usually allowed in cleaning up oil spills in the United States is （）.

A.skimmers
B.straw
C.dispersants
D.sawdust

單項(xiàng)選擇題

Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）

A.Classes A and B
B.Classes B and C
C.Classes C and D
D.Classes A and D