小儿术前用药后体温上升的原因可能是（）
A.阿托品
B.吗啡
C.哌替啶
D.地西泮
E.氯丙嗪
参考答案：A
— Where are Mr. and Mrs. Wang?
— They _____ Beijing. They _____ there twice before. [ ]
A. have been to; have gone
B. have gone to; have been
C. have been to; have gone to
D. have gone to; have been to
双胎分娩时为避免发生产后出血，错误的措施为（）
A.第二胎儿着冠时，静脉注射麦角新碱0.2mg
B.第二胎儿前肩娩出时，静脉推注缩宫素10U
C.胎盘娩出检查胎盘是否完整
D.胎盘娩出后腹部置沙袋
E.胎盘娩出后以腹带紧裹腹部预防腹压下降引起休克
