概算定额的编制阶段不包括( )。
A．准备阶段B．编制初稿阶段C．审查定稿阶段D．定案与总结阶段
参考答案：D
Maria has _____ trouble _____ math, so she often asks her math teacher for help.
A．much; understanding
B．no; with
C．many; understanding
D．not; to understand
简答鞍钢目前可按照执行组织生产的国际标准。（答出三个即可）
