根据数据库规范化理论,下面命题中正确的是( )。
参考答案:D
— What do you think we can do for our aged parents?
— You _____ do anything except to be with them and be yourself. [ ]
A. mustn't
B. oughtn't to
C. don't have to
D. can't
下列哪些应纳入对员工行为约束的案防管理范畴()
A、员工入职前背景考察
B、八小时内外行为规范
C、员工参与民间借贷
D、员工过度消费及负债