高弹性模式下薪酬结构的特点包括（）。

A.激励功能较强

B.薪酬水平波动较大

C.不易核算成本

D.薪酬与绩效紧密挂钩

E.企业人均成本稳定，容易形成较重的负担

根据要求改写句子。

1. His baseball is under the table. (变为一般疑问句)

    __________________________?

2. His dresser is near his bed. (变为否定句)

   ___________________________.

3. My keys are on the sofa. (对画线部分提问) 

    __________________________?

4. Mike is behind the door. (对画线部分提问)

    __________________________?

5. Can you bring your books here? (肯定回答) 

    __________________________.