所有抗体的基本结构都是( )。A.单体 B.二聚体 C.四聚体 D.五聚体 E.多

题型:单项选择题

问题:

所有抗体的基本结构都是( )。

A.单体

B.二聚体

C.四聚体

D.五聚体

E.多聚体

考点:执业兽医师兽医微生物学与免疫学
题型:单项选择题

可逆性胆碱酯酶抑制药是()

A.有机磷酸酯

B.阿托品

C.碘解磷定

D.毛果芸香碱

E.新斯的明

题型:单项选择题

四十七岁妇女,14岁月经初潮,既往月经规律,周期28~30日,持续5日,近一年月经周期不规则,20~35日行经一次,持续7~12日干净,经量多,每次需用卫生巾两包。目前该妇女的卵巢状况为()

A.卵巢功能属于成熟阶段

B.常为有排卵性月经

C.卵巢内卵泡已完全耗竭

D.卵巢内剩余卵泡完全丧失对垂体促性腺激素的反应

E.卵巢内卵泡数明显减少且易发生卵泡发育不良

题型:单项选择题

预防呼吸机相关性肺炎(VAP)的护理措施不包括 ()

A.做好气道护理

B.注意做好手卫生

C.视情况定期更换呼吸机管道

D.预防性应用抗菌药物

E.掌握正确吸痰技术

题型:单项选择题

第二节 完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,从短文后所给题的四个选项(A 、B、C 、和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

The other day, I happened to meet someone I hadn’t seen for many years. I couldn’t believe the change in him. In fact, he didn’t even seem like the 21  person.

When I first knew Bill, back in  22 , he was one of the most carefree (无忧无虑) people I had ever  23  . He was always ready to have a party. He thought  24  of going out for beer at three o’clock in the morning or driving 50 miles to see an old  25 he really liked. Bill and I were in the same class in college, and  26  was never dull when he was  27 . With him there was one wild  28  after another. Sometimes I wonder how we 29   to study for our exams.

Last week I was in Houston on business and I ran into Bill in the bar at the hotel.  30  , I wasn’t even sure it was  31 . Was this short-haired businessman really the same person? I wasn’t really sure until I came near him but it indeed was Bill. Now he works for a bank. He   32  most of the evening about his job, his new car and his house. How he had changed! Back when we were in college, the  33  thing Bill cared about was possessions. Now they seemed to be his main  34 . Although I have changed quite a bit myself, somehow, I never  35 Bill changing so much. My image of him 36  the one I had formed  37__ the time when we were college students together.

I suppose it’s 38 to expect people to remain the same, especially 39  I have changed so much myself. But I must say that I enjoyed the old Bill much more than the new Bill. Maybe he  40  the same way about me.

21. A. proper                B. same                 C. usual                 D. right

22. A. childhood           B. the army           C. his thirties                D. college

23. A. considered          B. supposed           C. met                   D. expected

24. A. nothing               B. much                C. most                 D. none

25. A. man                   B. hospital             C. movie               D. country

26. A. learning                     B. life                   C. work                 D. fun

27. A. in                       B. out                   C. away                 D. around

28. A. adventure            B. mistake             C. chance               D. joke

29. A. decided           B. intended            C. managed            D. hoped

30. A. First of all          B. At first         C. Now and then    D. All the time

31. A. that                    B. us                     C. there                 D. him

32. A. thought               B. talked          C. argued               D. spent

33. A. first                    B. last                   C. next                  D. only

34. A. interest               B. event                C. subject              D. problem

35. A. forgot             B. minded              C. liked               D. imagined

36. A. remained            B. reminded            C. suggested         D. became

37. A. since                  B. from                  C. at                    D. till

38. A. unnecessary         B. foolish                   C. common          D. unusually

39. A. because               B. that                   C. how                       D. when

40. A. felt                     B. acted            C. looked             D. discovered

题型:单项选择题

下列哪项不是TAE常用的栓塞剂()。

A.碘油

B.明胶海绵颗粒

C.泛影葡胺

D.聚乙烯醇颗粒

E.弹簧小钢圈

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