化脓性脑膜炎的治疗中临床常用（）
A.青霉素
B.氯霉素
C.阿米卡星
D.头孢三嗪
E.脱水剂
参考答案：A, B, D, E
Each of us has to write a ______ report every three weeks.
A．two-thousand-words
B．two-thousand-word
C．two-thousands-word
D．two-thousands-words
鼠疫鉴别诊断
