【判断题】贵州境内的布依族建筑外表面均由石头砌筑而成。
【单选题】精加工内轮廓时,一般选择( )进给路线。
【单选题】Which of the following is not true?
A.
Several leaders in education made great efforts to promote the educational innovations.
B.
Church leaders influenced education a lot before the progressive changed.
C.
College entrance requirements were elevated in the late 1800s.
D.
The sense of public duty was neglected in the late 1800s.
【多选题】木材的电学性质泛指木材在( )作用下所呈现的材料特性。
【多选题】加工路线是指数控机床加工过程中刀具的运动轨迹和方向。它影响零件的加工精度和表面粗糙度。加工路线的确定应考虑以下几点
D.
选择合理的进、退刀位置,尽量避免沿零件轮廓法向切入和进给中途停顿
【单选题】The main idea of this passage is ______.
A.
in modern society people are under great work pressure
B.
nowadays people want to enjoy life more than do hard work
C.
work should be to people more than just a means to survive
D.
more jobs of delight should be created for people