下列哪些污染原因导致了太湖大量的蓝藻滋生？[ ]
A．石油污染
B．酸雨污染
C．生活污水和农业化肥污染
D．有毒污染物富集
答案：C
If you don't know how to say something in English, you say: _______ [ ]
A. I don't understand
B. I'll start now
C. Excuse me. How do you say that in English?
D. I don't know
采用股利增长模型法计算普通股资金成本，需用到的相关数据有( )。
A．预期年股利额
B．项目投资风险系数
C．普通股市价
D．股利期望增长率
E．市场投资组合预期收益率
