蜂窝织炎:
参考答案:
在疏松结缔组织内发生的急性、弥漫性、化脓性炎症。
He has promised to help you and I'm sure he will keep his _ . [ ]
A. saying
B. sentence
C. word
D. statement
对β-内酰胺酶最稳定的是()
A.头孢唑林
B.头孢克洛
C.头孢噻肟
D.青霉素
E.头孢匹罗