抗心律失常按作用机理分为()两大类。
A.离子通道阻断剂和β受体阻断剂
B.钠通道阻断剂和β受体阻断剂
C.钙拮抗剂和钠通道阻断剂
D.钾通道阻断剂和钙拮抗剂
参考答案:A
Agamex. Inc, an established feedlot-supply company, has a beta of 1.25, and a payout ratio of 70%. The risk-less rate is 4% and the expected return on the market is9%. What is the appropriate leading price-earnings ratio to be used in the valuation of this company if an analyst expects a long-term dividend growth rate of 4%()
A. 4.80.
B. 6.22.
C. 11.20.
资本主义社会第一部民法典是什么
A.《法国民法典》
B.《德国民法典》
C.《瑞士民法典》
D.《萨克森民法典》