艺术管理
参考答案：
是要能因人而异，用人性、自然、简单、和谐的方法有效激励下属工作。
One of the most commonly used yield spread measures is the nominal spread. Which of the following is NOT a limitation of nominal spread The nominal spread assumes:()
A. an upward sloping yield curve.
B. all cash flows can be discounted at the same rate.
C. all cash payments will be received in a prompt and timely manner.
润滑油箱液面下降时，应（）裂缝、穿孔的冷却管或更换管束。
A.安装
B.堵塞
C.清洗
D.焊接
