急性肾衰竭少尿期出现高钾血症的原因和机制包括()
A.尿量减少
B.组织损伤和分解代谢增强
C.酸中毒
D.低钠血症
E.输入库存血
参考答案:A, B, C, D, E
Look! Some students _____ games under the big tree. [ ]
A. play
B. are play
C. are playing
D. played
简述体外循环停止转流的标准。