问题 单项选择题

肠溶空心胶囊囊壳常用的包衣材料是()

A.聚乙二醇(PEG)

B.聚维酮(PVP)

C.聚乙烯醇(PVA.

D.醋酸纤维素酞酸酯(CAP)

E.羧甲基纤维素钠(CMC-NA.

答案

参考答案:D

解析:本题考查肠溶胶囊剂制备的要点。肠溶胶囊的制备一般将空胶囊包上肠溶性高分子材料,如丙烯酸树脂、邻苯二甲酸醋酸纤维素等,填充药物后再用肠溶性胶液封口制成。

阅读理解

阅读理解。

     A man was sitting in the doctor's office.He was telling the doctor about his problem. "I like football,

Doctor," he said."Please help me. My life has never been a good one since I became interested in football; and it is getting worse and worse.I can't even get away from it in my sleep.As soon as I close my eyes,

I'm out there on the football field and running after a flying ball. When I wake up,I'm more tired than

I was when I went to bed. What am I going todo?"

    The doctor sat back and said,"First of all,you have to do your best not to dream about football.When

you close your eyes,try to think about something else. Try to think that you are at a party andsomeone is

going to give you several million dollars, "

     "Are you crazy(疯狂的,古怪的), Doctor?"  the  manshouted at the doctor."I will miss my ball."

1. The man went to see the doctor because ______. 

A. there was something wrong with his heart

B. the doctor was interested in football

C. he wanted to get some advice about his trouble with football

D. his wife was ill

2. Football makes the man's life ______.  

A. happy          

B. interesting

C. good          

D. difficult

3.The man felt more tired after he got up because ______.

A. he thought of getting several million dollars even in his sleep

B. he thought of football even in his sleep

C. he watched a football match on TV too late at night

D. he ran after the flying balls before he went to bed

4. The doctor told the man ______. 

A. not to think of football when he went to sleep

B. not to close his eyes when he was lying in bed

C. to be a rich man with several million dollars

D. not to dream in his sleep

5. The best title for this story is ______. 

A. Crazy Doctor

B. Flying Football

C. Exciting Football

D. A Man Crazy About Football

实验题