在国际工程项目建筑安装工程费用构成中,以下不属于直接费的是( )。
A.直接从事施工的工人工资
B.施工机械使用费
C.现场管理人员工资
D.设备费
参考答案:C
—Has he finished his essay
—I don't know. He()it this morning.
A. has written
B. was writing
C. wrote
D. had written
如图所示,路口中心黄色网状线用于告示驾驶人禁止在该区域内临时停车,防止交通阻塞。