超声测量双顶径影响准确性的因素有()①选择测量平面不标准②胎头方位③胎头头型④羊水过少
A.①
B.①②
C.①②③
D.①②③④
E.①③④
参考答案:C
需做皮内敏感试验的药品包括()
A.青霉素G钠注射剂
B.硫酸链霉素注射剂
C.精制破伤风抗毒素注射剂
D.盐酸普鲁卡因注射剂
E.细胞色素C注射剂
The whole China____to tears by Cairen Danzhou(才仁旦舟),the youngest volunteer and hero in Yushu,
Qinghai Province. [ ]
A. move
B.moves
C.is moving
D.is moved