项目在整个建设期内各年净现金流入量现值等于净现金流出量现值的折现率称为（）。
A.基准收益率
B.财务内部收益率
C.贴现率
D.投资收益率
参考答案：B
《素问.热论》全篇原文所涉及的外感病有（）。
A.广义伤寒
B.狭义伤寒
C.温病
D.寒湿病
E.暑病
The girl arranged to have piano lessons at the training center with her sister ________ she would stay for an hour.
A．where
B．who
C．which
D．what
