【简答题】已知某方案的现金流量,其基准收益率为15%,试计算:(1)该方案的投资回收期;(2)该方案的净现值NPV、NPVR 年份 0 1 2 3 4 5 现金流量 -2000 450 550 650 700 800
【简答题】descartes think that _ is the essence of the perfect supreme being
【判断题】博弈论是指人们在相互的活动当中策略相互作用的理论。
【单选题】在IP地址分类中,A类地址的( )表示网络号。
【简答题】羊的皮肤分为哪几层结构? 2:羊毛的组成分为哪几个部分?
【单选题】By claiming “I think, therefore I am”, Descartes is saying that ____.
A.
as long as we have a thought, we must exist
B.
our worth is determined by our thoughts
C.
human existence is non-substantial and illusory
D.
it is our thoughts that decides our identity
【简答题】计算:3(﹣ab+2a)﹣(3a﹣b)=( )。
【单选题】用来认证数据的保密性和完整性,以及各通信的可依赖性的是