任意写出一个两位数，个位上的数字恰好是5的概率的是______．

I don't know_________.[ ]

A. how can I finish my homework on time    

B. how I could finish my homework on time

C. I can how finish my homework on the time  

D. how I can finish my homework on time

急性阑尾炎直肠指检时，发现直肠右前方有触痛，其临床意义是（）

A.急性化脓性阑尾炎

B.急性坏疽性阑尾炎

C.盲肠后位阑尾炎

D.急性单纯性阑尾炎

E.阑尾位置指向盆腔

III. 完型填空（共20小题，每小题1.5分，满分30分）

A very little boy was spending his Saturday morning playing in his sandbox. He had with him a plastic pail(桶) and a shiny, red plastic shovel(铲). In the   36   of creating roads and tunnels in the sand, he   37   a large rock in the middle of the sandbox.

The boy dug around the rock,   38   to move it off the dirt. At first, he wanted to carry it out of the sandbox with his hands; however, it was too heavy. Later, with much   39  , he pushed the rock across the sandbox by   40   his hands. When the boy got the rock to the   41   of the sandbox, he found that he couldn’t roll it up and   42   the little wall.   43  , the little boy pushed, but every time he thought he had made some   44  , the rock tipped(翻滚) and then fell back into the sandbox. The little boy pushed and pushed, but his only   45   was to have the rock roll back.

Finally he   46   tears. All this time the boy’s father watched from his living room window   47   the drama was unfolded. The moment the tears fell, a large   48   appeared across the sandbox. It was the boy’s father. Gently but   49   , he said, “Son, why didn’t you use all the strength that you had?”

Defeated, the boy   50   back, “I did! I did！I used all the strength that I had!”

“No, you didn’t. You didn’t ask me for help.” The father   51   down, picked up the rock and dropped it off the sandbox.

Do you have “rocks” in your life that need to be   52  ? Are you discovering that you don’t have   53   it takes to lift them? There is someone who is willing to give us the   54   we need. Maybe, it’s sometimes a good idea to ask others for   55   when we meet difficulties we can’t overcome.

36. A. method               B. step                         C. practice                    D. process

37. A. created               B. set                           C. discovered                D. brought

38. A. trying                 B. managing                 C. deciding                   D. competing

39. A. thought               B. struggle                    C. movement                D. worry

40. A. touching             B. shaking                    C. using                       D. controlling

41. A. bottom               B. center                      C. edge                        D. front

42. A. over                   B. down                       C. through                    D. into

43. A. Doubted             B. Surprised                 C. Pleased                    D. Determined

44. A. attempt               B. progress                   C. effort                       D. decision

45. A. hope                   B. reward                            C. point                        D. purpose

46. A. made out            B. broke out                 C. burst into                 D. rushed into

47. A. so                      B. as                            C. until                        D. before

48. A. rock                   B. picture                            C. figure                      D. shade

49. A. surprisingly         B. doubtfully                C. kindly                      D. firmly

50. A. shouted               B. smiled                      C. called                       D. asked

51. A. reached               B. looked                            C. fell                          D. put

52. A. pushed                B. dropped                   C. carried                            D. removed

53. A. who                   B. what                        C. which                      D. where

54. A. minds                 B. spirits                      C. force                        D. strength

55. A. help                   B. tips                          C. advice                      D. ideas

灌注桩与预制桩相比，具有施工方便、节约材料、成本低，施工不受地层变化限制，无需截桩接桩等。

什么是思想交锋？其常见的操作方法有哪些？