雷诺比拟采用（）模型，其结果在Pr＝（）条件下与实验解相吻合
参考答案：单层；1
Only when I left my parentsfor Italy________how much I loved them. [ ]
A. I realized
B. I had realized
C. had I realized
D. did I realize
在弗罗姆的期望理论中，个人对绩效与报酬之间关系的估计指的是( )。
A．效价
B．期望
C．工具
D．动机
