根据《建设工程工程量清单计价规范》的要求,综合单价包括()。
A.人工费
B.材料费
C.机械使用费
D.间接费
E.税金
参考答案:A, B, C
The teachers in the city demanded that their pay _____ close to the level of civil servants.
A.should be raised
B.would raise
C.would rise
D.should be risen
钢轨伤损如何定义?哪些情况属于钢轨折断?