在制作EDTA标准曲线时，应准备5种不同水泥(石灰)剂量的试样，每种1个样品。( )
参考答案：错
解析： 每种剂量应该2个样品。
We have two rooms , but I can't decide . [ ]
A. to live, to choose which one
B. lived; choose which one
C. to live in; which one to choose
D. live; which one
患者水肿日久，腰以下肿甚，按之凹陷不起，畏寒肢冷，尿少，舌淡苔白滑，脉沉弱。其证候是（）
A.风水泛滥
B.湿毒浸淫
C.水湿浸渍
D.湿热壅盛
E.脾阳虚衰
