“要抓好关键线路的进度控制”体现了建设工程进度控制的( )。
A.全过程控制B.全方位控制C.系统控制D.动态控制
参考答案:A
— Hi, Torry, can I use your computer for a while this afternoon?
— Sorry. _____. [ ]
A. It's repaired
B. It has been repaired
C. It's being repaired
D. It had been repaired
数铣加工过程中,按了紧急停止按钮后,应()。
A.排除故障后接着走
B.手动返回参考点
C.重新装夹工件
D.重新上刀