带状切屑较挤裂切屑的塑性变形充分，所以切削过程较平稳。( )
参考答案：对
Lucy has________all of the goals she set for herself in high school and is ready for new challenges at
university.[ ]
A．acquired
B．finished
C．concluded
D．achieved
移动架空线路维护规范要求杆号下边缘应距地（）米，杆号应面向公路、街道。
A.1
B.1.5
C.2
D.2.5
