施工定额采用的定额水平是( )。
A.平均先进水平
B.社会平均水平
C.企业先进水平
D.企业平均水平
参考答案:A
解析: 施工工程预算中施工定额采用的定额水平为社会平均先进水平。
It was at the airport _____ was completed last year _____ he worked as a volunteer helping foreigners in need of translation service.
A.which; where
B.that; where
C.which; that
D.where; what
破坏计算机数据和应用程序罪