问题
单项选择题
Which extinguishing agent is effective in combating an isoprene fire?（）
A.Dry chemicals
B.CO2
C.Foam
D.All the above
答案
参考答案：D
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Which extinguishing agent is effective in combating an isoprene fire?（）
A.Dry chemicals
B.CO2
C.Foam
D.All the above
参考答案：D