（）一般用现价计算。
A.税收收入
B.税收收入增长率
C.税收收入与GDP间的弹性系数
D.GDP增长率
参考答案：A, B, C
鼓胀病人，下肢浮肿，小便量少，则应（）
A.忌盐
B.忌糖
C.忌酸
D.忌高蛋白饮食
E.忌高营养饮食
An analyst gathered the following information about a common stock: Annual dividend per share$2.10 Risk free rate 7% Risk premium for this stock4% If the annual dividend is expected to remain at $2.10, the value of the stock is closest to:（）
A. $19.09.
B. $30.00.
C. $52.50.
