不论是什么材料的车刀,粗车刀的主切削刃上都应磨有倒棱。
参考答案:错
The teacher and writer as well as some students something when we entered the room.
A.discussed
B.were discussing
C.have discussed
D.was discussing
党务工作的基本职能包括教育职能、管理职能、()。
A.领导职能
B.协调职能
C.监督职能
D.调研职能