建设工程项目中,经批准的()是控制工程拨款或贷款的最高限额,也是控制单位工程预算的主要依据。
A.设计预算文件
B.设计概算文件
C.预算工作手册
D.施工图设计文件
参考答案:B
-–I hear you __________ your project at the end of last week.
-–In fact, I __________ it by the end of last month.
A.had finished; had finished
B.finished; had finished
C.had finished; finished
D.finished; finished
当地面信号显示一个黄灯,低频调制信号为15HZ时,机车信号显示()灯。