建筑安全技术
机动车道上的高压架空线的最大弧垂处与地面的最小垂直距离为( )m。
A．4.5
B．5
C．5.5
D．6
参考答案：D
出口烟花爆竹的H.S编码为（）。
A．36041000
B．36042000
C．36043000
D．36044000
Jack tired to ____ his classmate Paul, but he wasn't____. [ ]
A. play tricks with; taking in
B. play tricks on; taking in
C. play a trick with; taken in
D. play a trick on; taken in
