6岁患儿心肺复苏时,在无血气分析情况下,5%碳酸氢钠应用的剂量为()
A.1ml/kg
B.2ml/kg
C.3ml/kg
D.1mEq/kg
E.5mEq/kg
参考答案:A
Sally asked _______. [ ]
A. how can she get to the zoo.
B. how she can get to the zoo.
C. how she could get to the zoo.
D. where was the zoo.
()通风矿井在主通风机停止运转的一定时间内,风流中的瓦斯浓度会降低。
A、抽出式
B、压入式
C、混合式