治阿米巴痢疾,首选下列哪组药物()
A.鸦胆子、白头翁
B.秦皮、马齿苋
C.黄连、黄芩
D.地锦草、红藤
E.以上都不是
参考答案:A
The old man put on his glasses see better. [ ]
A. on purpose
B. in order that
C. so as
D. in order to
常用于分离挥发油的方法是
A.浸渍法B.渗漉法C.透析法D.分馏法E.升华法