【多选题】工件加工后在一定深度的表面内出现与基体材料组织不同的变质层。表面层材质变化可能是( )
C.
残余应力、晶粒变化、热损伤区、微观组织变化以及化学性质及电特性的变化
E.
热损伤区、微观组织变化以及化学性质及电特性的变化
【判断题】我们在总线中常说的“三总线”即为地址总线、数据总线和通信总线。
【判断题】我们在总线中常说的“三总线”即为地址总线、数据总线和通信总线。( )
【单选题】I was astonished that she________ do a thing like that.
【简答题】The public was astonished to know she_____the
Minister of the DefenseA. was being named B. has been named C. has been named as D. has being name as
【判断题】学生生活物价补贴每个月直接发至学生银行卡中。