问题 单项选择题

有瘘性慢性根尖周炎的治疗应是

A.瘘管搔刮
B.根管治疗
C.根尖手术
D.塑化治疗
E.患牙拔除

答案

参考答案:B

解析: 有瘘性慢性根尖周炎的治疗:必须清除根管内、根管壁的坏死牙髓、细胞及其分解产物,以阻止其对根尖周组织的不良刺激;并且严密封闭根管,消灭术后留下的死腔,杜绝再感染。故应选择答案根管治疗。

完形填空

第二节:完形填空(共20小题;每小题1分,满分20分)

阅读下面短文,掌握其大意,然后从21~40 各题所给的四个选项(A、B、C和D)中,选出最佳选项。

Nancy had just got a secretary’s job in a big company to work in the sales department. Monday was the first day that she went to work, so she was very  21  . She got up very early and arrived at the office at twenty to eight. She   22  the door open and found   23__    there. “I am the first to arrive.” She thought and came to her desk  24   she was surprised to            __25   a large bunch of flowers on it. They were   26  . She picked up the flowers from the desk and smelled them. “Oh, how lovely!” Nancy cried   27   . She then   28   for a vase to put them in. “Somebody has sent me flowers the   29   first day!” She thought happily. “But who could it be?” She began to wonder.

The day passed very   30  and Nancy did everything   31   great interest and enthusiasm. For the following days of the week, the first thing Nancy did was to change water for the flowers. And then she __ 32  herself in her work.

Then came another   33  . When she came near her desk, she was overjoyed to see a new bunch of flowers there. She quickly put them in the vase,   34   the old ones. The same thing happened again the next Monday. Nancy felt it strange and this time she began to think of ways to find out the  35 .

On Tuesday afternoon, she was sent to   36  a plan to the general manager's office. She had to stay for a while at his secretary's desk   37   his directives. She happened to see on the desk a big notebook  38  with “Records of managers' meetings”, and   39   the half-opened pages. Suddenly her eyes fell on these words, “In order to keep the secretaries in high spirits, the company   40   that every Monday morning a bunch of fresh flowers should be sent to each secretary's desk.”

Later, she was told that their general manager was a wise man with the Bachelor of Psychology in Business.

21. A. depressed          B. excited            C. encouraged        D. surprised

22. A. pushed              B. forced              C. turned          D. knocked

23. A. everybody      B. others         C. nobody        D. somebody

24. A. that                  B. which                    C. there             D. where

25. A. discover              B. smell                C. find               D. pick

26. A. old                 B. fresh             C. good             D. sweet

27. A. joyfully            B. tearfully                 C. casually           D. repeatedly

28. A. looked up      B. looked at       C. looked around         D. looked down

29. A. happy                    B. very                      C. funny            D. quite

30. A. slowly              B. normally                C. quickly            D. hardly

31. A. at                       B. in                       C. for             D. with 

32. A. devoted                    B. focused                  C. buried                    D. made

33. A. Sunday                    B. Monday                  C. Tuesday                 D. Saturday

34. A. taking                   B. took                      C. replaced          D. replacing

35. A. sender              B. receiver                  C. manager          D. waiter

36. A. send for                   B. hand out                 C. try out            D. hand in

37. A. asking for                           B. waiting for             

C. looking for                     D. searching for

38. A. marked                   B. given                     C. used              D. signed

39. A. glanced at         B. stared at                  C. glared at                 D. looked at

40. A. has ordered                         B. has said           

C. has decided                       D. has demanded

名词解释