问题
单项选择题
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
A.Water
B.Foam
C.Dry chemical
D.Carbon Dioxide
答案
参考答案：A
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Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
A.Water
B.Foam
C.Dry chemical
D.Carbon Dioxide
参考答案：A