單項選擇題

The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?（）

A.Any one component can be eliminated to extinguish a fire
B.Any two components must be eliminated to properly extinguish a fire
C.Any three components must be eliminated to properly extinguish a fire
D.Ali four components must be eliminated to extinguish any fire

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單項選擇題

A fire can be extinguished by removing （）.

A.the heat
B.the fuel
C.the oxygen
D.any of the above

單項選擇題

If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.

A.secure the ventilation
B.find a soda acid extinguisher
C.shut off the fuel oil supply
D.secure the generator