设置防烟分区的目的,以下不正确的是()。
A.有利于人员安全疏散
B.控制火势蔓延
C.减小火灾损失
D.增强建筑物承重能力
参考答案:D
“Freeze, you guy! ________, and I’ll shoot you.” an old man with a gun in hand shouted at me.
A.If you go for one more step
B.Going for one more step
C.One more step
D.You going for one more step
高速铁路有砟桥轨下枕底道砟厚度不应小于()cm。