我国的定额体系不是按粗细程度分的是( )。
A. 概算定额
B. 预算定额
C. 施工定额
D. 企业内部定额
The most important reason why royal wedding causes such a great interest is that"______".
A. a commoner is married into a royal family
B. the prince finally finds his bride
C. a famous TV journalist gets married
D. the wedding is expensive
建筑工程预付款额度一般不得超过当年建筑(包括水、电、暖、卫)工程工作量的 ( )。
A. 10%
B. 20%
C. 25%
D. 30%
业主在项目实施阶段是按( )规定为项目顺利实施提供必要的条件的。
A. 合同
B. 项目批准手续
C. 施工许可
D. 研究分析报告