Ａ．学会在浓烟中突围 ２０００年１２月２５日洛阳火灾发生后，记者亲睹了吞噬３０９条人命的东都商厦歌舞厅。从一层门厅顺着被大火烧烤爆裂墙皮的楼梯间，逐层上到顶部（四层）的火灾现场，现场展示给你的是，除通道口有被浓烟熏烤的痕迹外，宽敞的歌舞厅内，顶部所有效果灯 A. Learn to break through in thick smoke December 25, 2000 Luoyang fire broke out, the reporter witnessed the swallowing of 309 lives east commercial buildings song and dance halls. From the foyer down the staircase where the wall of the cracked skin is burnt by the fire, the fire scene on the top floor (four floors) is displayed layer by floor. In addition to the traces of thick smoke smoked at the entrance, Song and dance hall, all the top lights