苋菜中不含有( )。
A.草酸
B.维生素
C.叶绿素
D.无机盐
参考答案:A
---“Didn’t the robot have a rest?”
---“_______. Because it never gets tired.”
A.No, it did
B.Yes, it did
C.No, it didn’t
D.Yes, it didn’t
低钾性碱中毒常出现于()。
A.尿毒症
B.胃肠减压
C.术后少尿
D.挤压创伤
E.输血过量