A.電氣火災(zāi) B.燃放煙花爆竹 C.吸煙 D.地震
A.1.5,1.5 B.1.0,1.0 C.1.0.1.5 D.1.5,1.0
A.1,1.4,0.9 B.1.1,1.4,0.9 C.0.9,1.5,0.9 D.1.1,1.5,0.9