[单选] Which statement about firefighting foam is TRUE?()
A . Foam conducts electricity B . To be most effective,foam should be directed at the base of the fire C . Foam is most effective on burning liquids which are flowing D . Foam can ONLY be used to extinguish class A fire
企业实行综合计算工时工作制、不定时工作制应经过什么程序?
薪酬四方图的四个组成部分的特点是什么?
薪酬设计的原则是什么?
组织协调家庭教育力量的原则主要有()、()、()。
()年,赵安中在香港创办了他的第一个实业―――嘉丰纱厂,从此,拉开了他真正搏击于风诡云谲的商场序幕。 1959。 1960。 1961。 1962。
Which statement about firefighting foam is TRUE?()