连墙件的布置应靠近主节点设置,偏离主节点的距离不应大于( )mm
A. 100
B. 200
C. 300
D. 500
栏杆和挡脚板均应搭设在外立杆的内侧。上栏杆高度应为( )m
A. 0.8
B. 1
C. 1.2
D. 1.5
纵向扫地杆应采用直角扣件固定在距底座上皮不小于( )mm处的立杆上
A. 100
B. 200
C. 300
D. 500
[音频]What does Peter do for a living?
A. He serves in the army.
B. He puts out fires.
C. He acts in films.
D. He builds houses.