舌青紫湿润，舌体短缩者，属（）
A.气血俱虚
B.痰浊内蕴
C.热盛伤津
D.风痰阻络
E.寒凝筋脉
参考答案：E
In the process of communication requirement analysis, the project manager should consider the number of potential communication channels or paths as an indicator of the complexity of a project’s communication. According to Metcalfe’s Law, a project with 10 stakeholders has () potential communication channels.
A、10
B、45
C、50
D、100
某投资项目于建设起点一次投入原始投资500万元，获利指数为1.25，则该项目净现值为( )万元。
A．150 B．125 C．240 D．530
