治疗流行性脑脊髓膜炎选用( )。
A．两性霉素B．庆大霉素C．磺胺嘧啶D．氯霉素E．四环素
参考答案：C
解析：[知识点] 磺胺嘧啶(SD)的用途
______ the hometown, he went back to company.
A．Having visited
B．Not having visited
C．Visiting
D．Not visiting
Resoles固化机理
