以下脏腑关系中，主要表现于血液运行与精神调节等方面的是（）
A.心与肺
B.心与肾
C.心与脾
D.心与肝
E.肺与脾
参考答案：D
Not until actually ________ with water shortage ________ appreciate the value of water to a region.
A．facing; one can
B．faced; can one
C．faced; one cannot
D．facing; cannot one
什么叫饱和水，饱和蒸汽？过热蒸汽？
