在现有的生产条件下，尽可能采用机械和（）的操作方法，尽量减轻操作者的繁重体力劳动。
参考答案：自动化
某公司没有发行优先股，当前的利息保障倍数为5，则财务杠杆系数为（）。
A.1.25
B.1.5
C.2.5
D.0.2
Speaker A: Are you Ms. Kelsey, the office manager Speaker B:______
A．Yes, I am. What can I do for you
B．Oh, yes. What's your name please
C．Yes. It's nice to have you here with us.
D．Oh, yes. But I'm very busy now.
