阅读下面短文, 掌握其大意, 然后从36—55 各题所给的四个选项（A、B、C和D）中选出最佳选项, 并在答题卡上将该项涂黑。
One windy spring day, I observed young people having fun using the wind to fly their kites. Multicolored creations of varying shapes and sizes   36  the skies like beautiful birds dancing. As the strong winds blew against the kites, a string kept them under   37 .
Instead of blowing away with the wind, they arose against it to achieve great   38 . They __39  and pulled, but the restraining string and the clumsy tail kept them in tow (拖着), facing upward and against the   40 . As the kites struggled and trembled against the string, they seemed to say, “Let me go! Let me go! I want to be   41  !” They flew beautifully even   42  they fought the restraint of the string. Finally, one of the kites succeeded in getting   43  . “Free at last,” it seemed to say. “Free to fly   44  the wind.”
Yet freedom from restraint simply put it at the   45  of an unsympathetic wind. It flew up and down to the ground and   46  in a mass of weeds and string against a dead bush. “Free at last”, free to lie powerless in the dirt, to be blown   47  along the ground.
How much like   48  we sometimes are. The heaven gives us adversity (逆境) and restrictions,   49  to follow from which we can grow and  50  strength. Some of us resist the rules so hard that we never fly to reach the heights we might have   51 . We keep part of the rules and never   52  high enough to get our tails off the ground.
Let us each rise to the great heights,   53  that some of the restraints that we may be annoyed at are   54  the powerful force that helps us climb and   55  our goal.
36. A. surrounded          B. covered             C. emptied                    D. filled
37. A. construction        B. discussion         C. control                       D. pressure
38. A. heights                B. lengths              C. widths                         D. weights
39. A. crashed               B. shook                C. floated                      D. landed
40. A. rain                     B. sun                   C. wind                         D. storm
41. A. energetic             B. lonely                C. safe                          D. free
42. A. before                 B. as                     C. since                        D. after
43. A. crazy                  B. upset                 C. loose                         D. happy
44. A. with                   B. against              C. beneath                  D. over
45. A. edge                  B. expense             C. mercy                     D. bottom
46. A. fled                    B. hid                    C. existed                       D. landed
47. A. deliberately          B. helplessly           C. actively                    D. hopefully
48. A. strings                B. kites                  C. bushes                       D. weeds
49.A. rules                   B. customs             C. wishes                     D. instructions
50. A. convey               B. consume          C. lose                       D. gain
51. A. contained            B. lowered             C. indicated                 D. obtained
52. A. rise                     B. rank                  C. kick                         D. jump
53. A. hoping                B. supposing          C. recognizing              D. dreaming
54. A. strictly               B. actually             C. hardly                     D. consequently
55. A. achieve               B. score                C. miss                      D. set