下列不属于防火分隔物的是()。
(A)防火墙
(B)防火水幕带
(C)防火卷帘
(D)排烟阀
参考答案：D
– Were you at school when I called you?
– Yes, I ________ in the library.
A. studied B. am studying C. was studying
党的十八大之后，中国又酝酿了新一轮的政府“大部制”改革。这有利于我国政府
①合理分工，实现民主决策 ②整合资源，优化公共服务
③转变职能，提高行政效率 ④根除腐败，保证清正廉洁
A．①②
B．①④
C．②③
D．③④
