单项选择题
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）
A.Alcohol foam B.Dry chemical C.Chemical foam D.Water fog
单项选择题 Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）
单项选择题 Which extinguishing agent is most effective on a mattress fire?（）
单项选择题 Which extinguishing agent is effective in combating an isoprene fire?（）
