问题 单项选择题

以下哪个说法是不正确的( )

A.具有相同基本结构的药物,它们的药理作用也相同

B.最合适的脂水分配系数,可使药物有最大活性

C.适度增加中枢神经系统药物的脂水分配系数,活性会有所提高

D.药物的脂水分配系数是影响药物活性的因素之一

E.药物的解离度与其环境pH有关

答案

参考答案:A

读图填空题
完形填空

One evening, Mr Green was driving his car along a lonely country road. He had ___1___ $10 000 from the bank in town. Suddenly a man in rags stopped him and asked for ___2___. Mr Green told him to get on and continued his way. ___3___ he talked to the man, he ___4___ that he had just broken out of prison. Mr Green was very afraid at the ___5___ of the money. Suddenly he saw a police-car and had a ___6___ idea. He ___7___ speed and drove as quickly as possible. Then he found the police-car running ___8___ him. After a mile ___9___ the police-car passed him and ordered him to stop. A policeman came up. Mr Green had hoped to tell him about the trouble but the man put a gun to Mr Green’s ___10___.

The policeman said he wanted Mr Green’s name and ___11___ and Mr Green obeyed. The policeman wrote it down in his notebook and put it in his ___12___. “You ___13___ appear at the police station. “ He said. Then he talked to Mr Green about ___14___ driving. Mr Green started up his car again. He had ___15___ all hope of his £10,000, but as he reached a more lonely part, the robber said he wanted to ___16___. Mr Green stopped and the man said. “___17___. You’ve been ___18___ to me. This is what I can do in ___19___.” And he handed Mr Green the policeman’s ___20___, which was stolen while the policeman was talking to Mr Green.

1. A. taken      B. held    C. brought      D. drawn

2. A. money    B. help    C. a lift   D. a ride

3. A. As   B. Since  C. Then   D. Because

4. A. recognized     B. learned       C. supposed    D. expected

5. A. sight      B. idea    C. touch  D. thought

6. A. fast B. bright C. strange       D. bad

7. A. put on    B. got on C. took on      D. had on

8. A. behind    B. with    C. after   D. beside

9. A. and so    B. or so   C. and so on   D. or so on

10. A. head     B. shoulder     C. back   D. neck

11. A. number B. home  C. place   D. address

12. A. car       B. pocket C. hand   D. trousers

13. A. shall     B. will    C. would D. need

14. A. careful  B. normal       C. drunk  D. dangerous

15. A. held out       B. build up   C. given up     D. turn over

16. A. run away     B. break away C. set out D. get out

17. A. I’m sorry     B. You’re welcome      C. That’s all right   D. Thank you

18. A. kind     B. polite  C. known       D. necessary

19. A. all B. fact   C. return D. the end

20. A. gun      B. pen     C. money       D. notebook