脉冲放大插件的作用是将脉冲形成插件产生的脉冲进行（）放大。
参考答案：功率
—What’s the matter with you?
—______ the window , my finger was cut unexpectedly.
A．Cleaning
B．To clean
C．While cleaning
D．While I was cleaning
简述指导员工改变行为的四个步骤
