单选题:化合物按碱性强弱顺序排列,正确的是( )。 题目分类:中药学专业知识(一) 题目类型:单选题 查看权限:VIP 题目内容: 化合物按碱性强弱顺序排列,正确的是( )。 A.季铵碱>脂杂环类生物碱>酰胺>芳香胺 B.脂杂环类生物碱>季铵碱>酰胺>芳香胺 C.脂杂环类生物碱>季铵碱>芳香胺>酰胺 D.芳香胺>酰胺>季铵碱>脂杂环类生物碱 E.季铵碱>脂杂环类生物碱>芳香胺>酰胺 参考答案: 答案解析:
Which of the following correctly describes Milton Hershey? Which of the following correctly describes Milton Hershey?A. Hemass-produced mil 分类:中药学专业知识(一) 题型:单选题 查看答案
Whena teacher says “What do you mean by that?” , he/she is a Whena teacher says “What do you mean by that?” , he/she is asking the student fo 分类:中药学专业知识(一) 题型:单选题 查看答案
——Will you be able to go swimming with us?——_______. ——Will you be able to go swimming with us?——_______.A.I'mafraid not B. I'mafraid 分类:中药学专业知识(一) 题型:单选题 查看答案
下面是某教师一节听说课听前环节的教学实录,单元话题为Myfavourite animal。T: Today we'll 下面是某教师一节听说课听前环节的教学实录,单元话题为Myfavourite animal。T: Today we'll talk about animals. 分类:中药学专业知识(一) 题型:单选题 查看答案
According to the affective-filter hypothesis,_______is NOT a According to the affective-filter hypothesis,_______is NOT an affective factor i 分类:中药学专业知识(一) 题型:单选题 查看答案