下列哪项指标最能反映糖尿病酮症酸中毒的严重程度（）
A.血糖
B.血钠
C.尿酮体
D.血钾
E.血碳酸氢根
参考答案：A
. She learnt both business and history, but she knows________of them well, though she can speak on subjects in general.
A．none; any
B．nothing; anything
C．neither; both
D．either; neither
物业价值与折现率的关系是( )，折现率与利率的关系是( )。
A．正相关，正相关 B．正相关，负相关 C．负相关，负相关 D．负相关，正相关
