单项选择题
Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）
A.Dry chemical B.Foam C.Water D.Carbon dioxide
单项选择题 In the fire main system, quick cleaning strainers are located at the（）.
单项选择题 Where should muster lists be posted?（）
单项选择题 The best method of extinguishing a class A fire is to （）.
