已知在Rt△ABC中,∠C为直角,AC=4cm,BC=3cm,sin∠A=______.
由题意知,AB=AC2+BC2=5,
∴sin∠A=BCAB=35.
If transport costs______into consideration at the beginning , the factory would have been built far from its present place.
A.will be taken
B.were taken
C.had been taken
D.were being taken
下列目标控制的措施中属于管理措施的是( )。
A.对进度控制的任务分工进行调整
B.对进度控制的方法进行调整
C.落实加快工程施工进度所需的资金
D.改变施工机械加快工程进度