在一次校内运动会上，某同学在百米赛跑中，以6m/s的速度迅速从起点冲出，到50m

简述制定武装有勤务方案的方法和要求。

第二节　完形填空(共20小题；每小题1. 5分，满分30分)

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

Each age has its pleasure and its pains. The happiest person is the one who    21   what each age gives him without    22   any time in useless regrets.

Childhood is a time when there are    23   duties. Life is always giving    24   things to a child. He finds    25   in playing in the rain or snow. His first    26   to the seaside makes him wild. But a child has his    27  . He is not so    28   to do as he wishes to. He is always told not to do this or that, or is even    29   for what he has done wrong. His life is therefore not perfectly happy.

When the young man starts to make his own living, he becomes free    30   the discipline(纪律) of schools and parents, but at the same time he is forced to accept duties. He can no longer    31   others to pay for his food, clothing and housing, but has to work if he wants to live    32  . If he spends most of his time playing about in the    33   he used as a child, he will go    34  . And if he breaks the    35   of society, he may go to prison. However, if he works hard, keeps out of    36  , and has good health, he can have the greatest happiness of seeing himself make rapid    37   in his job and of building up his position in society.

Old age has always been considered as the    38   time of life. But the old can feel the happiness of having come through the    39   of life safely and having reached a time when they can lie back and rest,    40   the young to continue the fight.

21. A. shares            B. enjoys            C. chooses             D. refuses

22. A. saving        B. offering                 C. hoping                   D. wasting

23. A. little              B. a few                  C. few                    D. a little

24. A. delicious        B. new                    C. similar                  D. meaningless

25. A. discipline       B. duty                   C. pleasure             D. pain

26. A. knowledge     B. thought                 C. visit                   D. play

27. A. characters      B. pains                  C. mistakes             D. habits

28. A. willing        B. glad                    C. careful                   D. free

29. A. regretted        B. punished             C. praised               D. apologized

30. A. in                  B. with                   C. against                   D. from

31. A. hope              B. expect             C. promise              D. forbid

32. A. freely            B. safely                 C. gladly             D. comfortably

33. A. rain               B. sea                         C. way                  D. work

34. A. bad               B. wrong                 C. good                   D. hungry

35. A. peace             B. rule                    C. law                      D. plan

36. A. power            B. trouble            C. order                  D. control

37. A. chance        B. progress         C. condition              D. score

38. A. better            B. worse                 C. worst                  D. best

39. A. battle             B. hunger             C. peace                        D. joy

40. A. keeping             B. leaving             C. remaining             D. permitting

男性患者，65岁，因胸痛1个月就诊，胸片检查见图，下列诊断中最明确的是（）

A.右肺胸膜肥厚

B.右肺不张

C.右侧胸腔积液

D.右肺炎症

E.肺栓塞

《虞美人》如何理解本诗中的借景抒情的句子？“开头春花秋月何时了”

油中溶解气体检测，高压氢气瓶、高压氮气瓶、高压空气瓶应采取固定装置，防止（）。

A.卧倒

B.倾倒

C.横卧

D.直立