临时消防设施的设置与在建工程主体结构施工进度的差距不应超过()层。
A.1
B.2
C.3
D.4
参考答案:C
A good modem newspaper is an extraordinary piece of article.
A.reading
B.narration
C.writing
D.enjoyment
胸腔闭式引流后如无排气,应于()小时后拔管
A.12
B.24
C.36
D.48
E.72