【判断题】弾性変形可以恢复,塑性变形不可以恢复。 (13.3分)A. 错误 B. 正确
【判断题】弹性变形和塑性变形的区别在于弹性变形是不能恢复的变形,塑性变形是可以恢复的。
【简答题】什么是质量管理体系,质量管理体系的文件应包括哪几个方面?
【单选题】What can best helpchildren to keep on making progress?A.Goingover the lessons with them.##
A.
What can best helpchildren to keep on making progress? A.Goingover the lessons with them.
B.
Encouragingthem from time to time.
C.
Helping them with study plans
D.
Offering them a special place.
【单选题】工程咨询质量管理体系文件中,系统阐述质量管理体系的应用范围、文件结构、管理职责与方法的纲领性文件是( )。
【单选题】— Which one can I take? — You can take ____of them; I'll keep none. [ ]