【单选题】He's from the USA, he's _____. [ ]
【判断题】国家需要扩大投资规模时,可以提高社会折现率。
【简答题】A.He is studying French in Canada. B.He is having a vacation in Canada. C.He has been back in Canada for weeks. D.He is planning to return to Canada in a year.
【多选题】社会折现率对项目可行性及项目选优的影响表现在( )。
A.
社会折现率提高,会使本来可以通过的投资项目达不到判别标准而被舍弃
B.
社会折现率可以作为国家建设投资总规模的间接调控参数
C.
社会折现率高,不利于初始投资大而后期费用节省或收益增大的方案或项目
【单选题】社会折现率可以作为国家建设投资总规模的( )参数,需要缩小投资规模时,就提高社会折现率;需要扩大投资规模时,可降低社会折现率。
【单选题】对PNF技术基本原则描述以下错误的是()
【简答题】I have a pen pal in Canada. His name is Simon. He lives in Ottawa, Canada. He is twelve years old. He also studies in a middle school. Simon lives in a happy family. His father is a policeman and his ...
【单选题】He _____________from Canada.