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單項(xiàng)選擇題

Oil fires are best extinguished by （）.

A. cutting off the supply of oxygen
B. removing the fuel
C. spraying with water
D. adding oxygen

你可能感興趣的試題

單項(xiàng)選擇題

You will extinguish a fire when you remove （）.

A.oxygen
B.carbon dioxide
C.H₂O
D.H₂

單項(xiàng)選擇題

I’m on fire and have dangerous cargo on board. The most urgent assistance (最緊急的援助)in this case would be（） .

A.lifeboat
B.medicine
C.firefighting
D.lifesaving

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