肺痿虚热证,潮热者,应加用的药物是()
A.竹茹、竹叶
B.天花粉、知母
C.沙参、玉竹
D.钟乳石、五味子
E.银柴胡、地骨皮
参考答案:E
You must be careful when you go ______ the street. [ ]
A. around
B. through
C. across
D. into
提取一般苷类成分不加酸,是为了避免
A.成盐
B.酯化
C.盐析
D.水解
E.形成沉淀