在西方，________被誉为行政学的鼻祖。( )
A．威尔逊
B．梅奥
C．麦克雷戈
D．马斯洛
参考答案：A
可使心排血量减少的因素有（）
A.扩张性心肌病
B.心肌梗死
C.恩氟烷吸入
D.上胸段硬膜外阻滞
E.腰麻
A company being analyzed has net income of $ 97, liabilities of $ 600, preferred equity of $ 30, total shareholder equity of $ 700, interest expense of $ 48, and preferred dividends of $1.80. What is the return on common equity（）
A. 7.00%.
B. 14.21%.
C. 10.18%.
