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單項(xiàng)選擇題

The longer an oil fire is permitted to burn, the （）.

A.harder it is to extinguish
B.easier it is to extinguish
C.less chance there is of re-ignition
D.easier it is to control

你可能感興趣的試題

單項(xiàng)選擇題

During oil transfer operations, who would be responsible to guarantee that the posted transfer procedures are being followed?（）

A.The designated person in charge
B.The tanker man
C.The senior able seaman
D.The oiler

單項(xiàng)選擇題

In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.

A.convection
B.conduction
C.radiation
D.ventilation

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