问题 单项选择题 A1型题

关于米非司酮作用机理,下列哪项错误()

A.具有抗孕酮、糖皮质醇和轻度抗雄激素特性

B.米非司酮对子宫内膜孕激素受体亲和力比孕酮高20倍

C.可阻断孕酮活性

D.可使妊娠蜕膜坏死,释放前列腺素

E.使宫颈软化

答案

参考答案:B

完形填空

A high school history teacher once told us, “If you make one close friend in school, you will be most fortunate. A true friend is someone who stays with you for life."_1_ teaches that he was right. Good friendship is just not easily _2_.

It is possible that we simply do not stay in one place long enough food _3_friendship to _4_. However, there can be_5_disagreement on the need for each of us to think carefully about the kind of friendship we want.

To most of us, friendships are considered very important, but we need to have clear in our _6_ the kinds of friendship we want. Are they to be close or _7_ at arm's length? Do we want to _8_ourselves or do we want to walk on the surface? For some people, many friendships on the surface are _9_enough—and that' s all right. But at some point we need to 10 that our expectations are the same as our friends' expectations. The sharing of_11_experience _12_ our tears as well as our dark dreams is the surest way to deepen friendships. But it _13_be undertaken(进行) slowly and carried on only if there are _14_of interest and action in return.

What are some of the _15_of friendship? The greatest is the attraction to expect too much too soon. Deep relationships _16_time. Another“major difficulty" is the selfishness to think one “possesses" the other, including his time and attention. Similarly, friendships _17_ actions in return. In 18words, you must give as much as you take. Finally there is a question of taking care of. Unless you spend _19_time together, talking on the phone, writing letters, doing things together, friendships will die _20_.

1. A. Knowledge        B. Teachers            C. Experience       D. Parents

2. A. understood         B. formed             C. realized         D. produced 

3. A. true               B. common           C. deeply           D. actual

4. A. design             B. intend             C. develop          D. appear 

5. A. no                B. some              C. any             D. none

6. A. hearts             B. thoughts            C. actions          D. minds 

7. A. remained          B. left                C. kept            D. stayed 

8. A. own               B. owe               C. share            D. spare 

9. A. that               B. very               C. quite            D. not

10. A. make sure         B. remember         C. expect           D. check out 

11. A. social            B. ordinary            C. good           D. personal 

12. A. includes          B. to include           C. including        D. included 

13. A. can              B. need               C. will            D. must 

14. A. marks            B. sights              C. scenes          D. signs 

15. A. difficulties        B. differences          C. advantages      D. things

16. A. cost             B. spend               C. ask            D. take 

17. A. require           B. request             C. depend         D. suggest 

18. A. some            B. many               C. other          D. different

19. A. reasonable        B. comfortable          C. less            D. a lot

20. A. for             B. away                C. out            D. from

单项选择题