第二节．完形填空（共20题，每小题1分，共20分）
There was a blacksmith(铁匠) who wasn't satisfied with his work. Once he complained, “I am not well and my work is too warm. I want to be a ____36____ on the mountain. There it must be _____37____, for the wind blows and the trees give a shade..” A wise man who had ___38____ over all things replied, “Go you, be a stone.” And he was a stone, high up on the ____39_____ side. It happened that a stone-cutter ____40____ that way for a stone and when he saw the one that had been the ____41____, he knew that it was what he ____42_____ and he began to cut it. The stone ____43____ out, “This hurts! I no longer want to be a stone. A stone-cutter I want to be. That ____44____ be pleasant.” The wise man, humoring him, said, “Be a cutter.” ____45____ he became a stone-cutter and as he went seeking a suitable stone, he ____46____ tired and his feet were sore（酸痛）. He ____47____,” I no longer want to cut stone. I would be the sun; that would be pleasant.” The wise man ___48____, “Be the sun.” And he was the sun. But the sun was warmer than the blacksmith, than a stone, than a stone-cutter, and he complained, “I do not ____49____ this. I would be the moon. It ___50____ cool.” The wise man spoke yet again, “Be the moon.” And he was the moon. This is warmer than being the sun,” ____51___ he, “for the light from the sun ____52____on me ever. I do not want to be the moon. I would be a ___53____ again. That, indeed, is the ___54____ life.” But the wise man replied, “I am ____55____of your changing. You wanted to be the moon; the moon you are and you will remain.”
36. A. tree B. iron C. stone D. stone-cutter
37. A. warm B. hot C. cold D. cool
38. A. energy B. force C. power D. strength
39. A. river B. mountain C. lake D. sea
40. A. went B. took C. came D. made
41. A. moon B. sun C. wise man D. blacksmith
42. A. bought B. caught C. sought D. protected
43. A. cried B. read C. spoke D. looked
44. A. would B. should C. will D. shall
45. A. Though B. Nevertheless C. Thus D. But
46. A. became B. turned C. grew D. went
47. A. complained B. suggested C. persuaded D. nodded
48. A. refused B. commanded C. mentioned D. married
49. A. like B. hate C. want D. get
50. A. feels B. sounds C. looks D. smells
51. A. whispered B. shouted C. stated D. declared
52. A. twinkles B. shines C. drops D. falls
53. A. smith B. carpenter C. woodcutter D. stone-cutter
54. A. worst B. best C. longest D. shortest
55. A. bored B. fond C. proud D. afraid
可知，万有引力的大小与物体的质量成正比，与物体距离的平方成反比。由于地球的质量和体积适中，才能通过万有引力将大气牢牢地吸附在地球的表面上，形成厚厚的大气层。选项C正确。