问题
单项选择题 A型题
以下关于芳香水剂的叙述,错误的是()
A.系指芳香挥发性药物的饱和或近饱和的水溶液
B.用乙醇和水混合溶剂制成的含大量挥发油的溶液,称为浓芳香水剂
C.芳香水剂有矫味、矫臭的作用
D.芳香水剂多数易分解、变质甚至霉变,故不宜大量配制和久储
E.以药材为原料时,多采用渗漉法提取挥发油
答案
参考答案:E
以下关于芳香水剂的叙述,错误的是()
A.系指芳香挥发性药物的饱和或近饱和的水溶液
B.用乙醇和水混合溶剂制成的含大量挥发油的溶液,称为浓芳香水剂
C.芳香水剂有矫味、矫臭的作用
D.芳香水剂多数易分解、变质甚至霉变,故不宜大量配制和久储
E.以药材为原料时,多采用渗漉法提取挥发油
参考答案:E
从方框中选择正确选项,补全对话(其中有两项多余)。 | |
Reporter: 1 You just won the first prize in the State Tennis Competition. Tom:Thank you. Reporter: Tom, how old are you? Tom:Seven. Reporter: Seven ! 2____ Tom:Since l was three. Reporter: 3 Tom: My father. And I take private lessons, too. Reporter: 4 Tom: Yes, I've taken lessons here for two years. Reporter :How many days a week do you play? Tom: About three or four.1 want to play every day but my parents say three or four hours is enough. Reporter: Are you going to continue with your tennis? Tom:Uh-huh. 5 Reporter: Wish you greater success! Tom:Thanks.
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