海尔公司始终秉承“一个核心和三个原则”的管理理念,具体是( )。
A.市场永远在变的法则
B.闭环原则
C.比较分析原则
D.不断优化的原则
E.开发市场原则
参考答案:A,B,C,E
1工程大气压等于()物理大气压。
A、1
B、1.033
C、0.9678
D、10
What a surprise! I _____ you _____ here in Wuxi. [ ]
A. don't know, are
B. don't know, were
C. didn't know, were
D. didn't know, are