光电型烟雾探测器能够在()大风中正常工作
A、3米以下
B、10米以下
C、22米以下
D、没任何影响
参考答案:D
— Did you go to Jim's birthday party?
— No, I . [ ]
A. am not invited
B. wasn't invited
C. haven't been invited
D. didn't invite
根据《高层民用建筑设计防火规范》,高层民用建筑中二类居住建筑的高位消防水箱的消防储水量最小应为()
A.18m3
B.12m3
C.9m3
D.6m3