在水体富营养化的生物控制思路中，若肉食鱼数量增加，以下说法中错误的是（）
A、小鱼减少
B、浮游动物减少
C、浮游植物减少
D、浮游动物增加
参考答案：B
In order to calculate the net present value (NPV) of a project, an analyst would least likely need to know the:（）
A. internal rate of return (IRR) of the project.
B. opportunity cost of capital for the project.
C. expected cash flows from the project.
