盐酸普鲁卡因注射液中的对氨基苯甲酸
A.紫外分光光度法B.热重分析法C.薄层色谱法D.分子排阻色谱法E.气相色谱法 以下药物中杂质的检查方法是
参考答案:C
Mr. Smith, together with his wife, ______ coming soon. [ ]
A. are
B. is
C. were
D. does
与水俣病有关的物质是()
A.镉
B.苯酚
C.铅
D.甲基汞
E.多氯联苯