Asanextinguishingagentfoam______Aconductselectricit

As an extinguishing agent, foam ______.

A.conducts electricity

B.should be directed at the base of the fire

C.is most efffective on buring gases which are flowing

D.extinguishes by cooling oil fires below ignition temperature

正确答案：A
对于灭火剂泡沫灭火剂导电