急性肾衰病人的营养支持应该
A．代谢性酸中毒B．代谢性碱中毒C．呼吸性酸中毒D．呼吸性碱中毒E．低钙血症
参考答案：A
个人资金归集的签约与修改必须由（）账户发起。
A.个人结算
B.定期一本通
C.子账户
D.主账户
27.The question _______ at present has something important to do with our nature.
A．to be discussed
B．to be discussing
C．discussed
D．being discussed
