问题 单项选择题 B型题

从乳浊液中除去分散相挥发性溶剂以制备微囊的方法()

A.单凝聚法

B.复凝聚法

C.溶剂-非溶剂法

D.改变温度法

E.液中干燥法

答案

参考答案:E

解析:

本题考察的是微囊制备的相关知识。微囊的制备分物理化学法、物理机械法、化学法。物理化学法有单凝聚法,复凝聚法、溶剂-非溶剂法、改变温度法、液中干燥法。在高分子囊材(如明胶)溶液中加入凝聚剂,使囊材溶解度降低而凝聚并包裹药物成囊的方法是单凝聚法。从乳浊液中除去分散相挥发性溶剂以制备微囊的方法是液中干燥法。故答案为A、E。

阅读理解
阅读理解。
                                           A SCHOOL REPORT
Name: Edward     School: Kelvin Grove High School
Grade: 7              Term ending: May 6th
Subjects:
Maths: He is a little weak in this but he has tried his best to catch up with others.
English: He is the best in the class. Keep it up.
French: His reading is very good, and he can remember many words.
History (历史): He is familiar (熟悉) with the names of many places in the world.
Music: He doesn't like pop music, though he sings very well.
Conduct: Fair          No. in class: 9          Absence (缺课): 8
Remarks (评语): Edward can do a lot better. More work is needed next term.
Class teacher: Ivy
Principal: M. L.
Martin School reopens: September 11
1. After reading this, we know this is             .
[ ]
A. a studying plan of Edward Scott
B. A teaching plan of Ivy
C. a school report of Edward Scott
D. a working plan of M. L. Martin
2. Which of the following is Not mentioned (提到) in the form?
[ ]
A. PE.
B. Music.
C. Maths.
D. History.
3. Edward's best subject is             
[ ]
A. Science
B. English
C. geography
D. History
4. Edward is not good at             .
[ ]
A. Science and geography
B. Maths and history
C. French and history
D. music and English
5. According to the form, which of the following sentences is true?
[ ]
A. Edward can't sing songs very well.
B. Edward doesn't do well in science.
C. Edward can do better if he works harder next.
D. Edward learns two foreign languages in school.
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