剖宫产术后疼痛的护理,不正确的是
A.教会产妇分散注意力
B.腹部系腹带
C.必要时应用止痛剂
D.卧床休息避免活动
E.咳嗽时轻按腹部两侧
参考答案:D
Personally I think the ______ Andrew drew from his simple experiment is not scientific.
A.conclusion
B.decision
C.information
D.invention
电压互感器在运行中为什么不允许二次短路运行?