哪一种商品的价格弹性最大()
A. 面粉
B. 大白菜
C. 手表
D. 化妆品
Which of the following would cause a diesel to have black smoke?()
A. leaky injector
B. water in the gas
C. too heavy oil
D. water in the oil
从管理者与员工沟通的角度看,绩效管理过程可分为()三个阶段。
A. 绩效计划
B. 绩效辅导
C. 绩效评估
D. 绩效考核和反馈
E. 绩效预测