在建筑安装工程费的企业管理费中,包括()。
A.办公费
B.管理人员工资
C.文明施工费
D.工具用具使用费
E.住房公积金
参考答案:A, B, E
As a film star she was a success, but as a wife she was ______ failure, so their marriage ended in ______ failure.
A./; /
B./; a
C.a; a
D.a; /
预算线的平行移动说明消费者收入发生变化,价格没有发生变化。