完形填空。 I was first officer at an airline. One Christmas Eve, I was checking instruments in 41 for my last flight of the day 42 I heard a noise behind me. I looked 43 my shoulder. Just outside the cockpit( 驾驶舱 ) doorway was a boy of about nine 44 at the cockpit. At my glance he started to 45 . “Come on in here,” I called. The boy stepped 46 into the cockpit. “ My name’s Chad.” I said, slicking out my hand.With a shy smile he put his hand in 47 , “ I’m Sam.” The captain would be in any minute. Sam looked so 48 that I didn't want to cut short his fun. I told Sam the 49 of each button. Finally Captain Jim came aboard. I 50 Sam to Jim, who gave him a broad smile. “ You ever 51 an airplane before, Sam?” Jim asked. Eyes wide, Sam 52 his head. Following my 53 , he carefully pressed a button as big as his hand to start the 54 , which hummed ( 发出嗡嗡声 ) to life. Sam looked like he was about to cry with 55 . We started up the other engine, 56 , and arrived in Macon about 40 minutes later. Early Christmas morning, Sam’s mother came by and 57 a tin of cookies with a note of thanks. Jim looked at it, 58 , and read it aloud, Thank you for what you’ve done. Sam has been dreaming about becoming a pilot. 59 , he’s got cancer...” A small 60 deed that one does can make a big difference to someone else’s life. 41. A. time B. return C. preparation D. exchange 42. A. after B. when C. as if D. even though 43. A. over B. around C. above D. from 44. A. glaring B. aiming C. shouting D. staring 45. A. get in B. turn away C. run out D. set off 46. A. cautiously B. unexpectedly C. desperately D. deliberately 47. A. his B. him C. me D. mine 48. A. thrilled B. worried C. afraid D. confident 49. A. type B. function C. problem D. regulation 50. A. carried B. reported C. introduced D. directed 51. A. saw B. boarded C. started D. visited 52. A. raised B. bowed C. nodded D. shook 53. A. signals B. instructions C. example D. schedule 54. A. flight B. journey C. button D. engine 55. A. happiness B. anxiety C. sympathy D. fright 56. A. gave up B. pulled over C. took off D. went out 57. A. took B. made C. bought D. left 58. A. sighed B. sobbed C. breathed D. relieved 59. A. Strangely B. Eventually C. Carelessly D. Unfortunately 60. A. heroic B. risky C. kind D. honest