什么是法律?
法律是由国家制定或认可,以规定权利义务为内容,具有国家强制性和普遍性约束力的行为规范。
(答案要点全面,意思对即可)
The boy pretended_________ when the teacher came in. [ ]
A. to study
B. to be studying
C. to have studied
D. to have been studying
对低钾患者静脉补钾,最重要的是()
A.给药速度
B.药液浓度
C.患者尿量
D.用药总量
E.患者精神状态