消防安全重点单位应当每月、其他单位应当每季度至少进行一次(),及时消除火灾隐患。
参考答案:全面防火检查
---We could invite John and Barbara to the Friday night party.
--- Yes, _______? I’ll give them a call right now.
A.what for
B.why not
C.why
D.what
平均动脉压