修建水库计算土方工程量的依据是[ ]
A．分层设色地形图
B．等高线图
C．土地类型图
D．地形剖面图
答案：D
Assume that a firm has an expected dividend payout ratio of 20%, a required rate of return of 9% , and an expected dividend growth of 5%. What is the firm's estimated price-to-earnings (P/E) ratio（）
A. 5.00.
B. 10.00.
C. 20.00.
基本养老保险的统筹基金来源于( )缴费部分。
A．职工个人
B．企业
C．地方政府
D．职工个人和企业
