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What is an advantage of using foam in fire fighting?（）
A:It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B:It absorbs heat from materials that could cause reignition
C:Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D:Once the surface is blanketed with foam and the fire is extinguished，no further foam is required

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出自：海船船员证

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