非处方药的英文简称是()
A.ADR
B.GLP
C.OTC
D.PD
E.OP
参考答案:C
Things have changed a lot ____ I wrote to you last time.
A.when
B.since
C.as
D.before
遇到呼吸、心跳骤停的伤病员,现场可采用什么方法急救?()
A.人工呼吸
B.胸外心脏按压
C.挂盐水
D.吸氧气