四环三萜的结构类型有（） ["达玛烷型","羊毛脂烷型","甘遂烷型","葫芦烷型","楝烷型"]
皂苷的精制方法有（） ["正丁醇萃取法","醇-醚或醇-酮沉淀法","醋酸铅沉淀法","胆甾醇沉淀法","氧化镁吸附法"]
洗胃术适应证
薁类的性质是（） ["可溶于水","可溶于乙醚","具有一定的芳香性","有色","母核具有旋光性"]
分离薄荷醇和薄荷酮可采取的方法是（） ["硅胶吸附层析法","分馏法","氧化铝吸附层析法","二者溶于乙醚液，吉拉德试剂萃取分离","混合物与邻苯二甲酸酐成酯后，乙醚与碳酸钠液液萃取分离"]
洗胃术
