上泌 * * 感染治疗时首选（）
A.头孢噻肟钠
B.复方磺胺甲噁唑
C.呋喃类药物
D.庆大霉素
E.红霉素
参考答案：A
Hurry up! The train ______. You know it______ at 8:30 am.[ ]
A. leaves; leaves
B. is leaving; is leaving
C. leaves; is leaving
D. is leaving; leaves
离开饭店前，地陪应做好哪些离店服务工作?
