《混凝土结构设计规范》(GB 50010-2002)规定:梁、柱中箍筋和构造钢筋的保护层厚度不应小于( )。
A.15mmB.13mmC.12mmD.10mm
参考答案:A
A man is questioned in relation to the _____ murder last night.[ ]
A. advised
B. attended
C. attempted
D. admitted
成年妇女子宫体与子宫颈之比是
A.2:1B.1:2C.1:1D.3:1E.3:2