题目

51. Due to poor management , the factory is deeply _______  __________.(债台高筑). 52. _____________  ____________  ______________,(出于好奇)he pulled down the handle of the fire alarm. 53. It’s illegal to read people’s private letters without _____.(许可) 54. Could you tell me whether there is a c______________ between smoking and lung cancer? 55. The condition prevents the blood from c__________ (循环)freely. 56. T_________________(因此), we must treasure the time. 57. I would always keep my distance from drinkers on social o____________(场合). 58. Mother always tells me not to __________  ___________ ____________(瞧不起)anyone, even if he is not well educated. 59. Every morning my grandfather spends 45 minutes doing physical exercises to _____________  __________(增强)his health. 60. The magician performed many magic tricks to ______________ the audience(娱乐观众). 答案：51.     (1). in     (2). debt    52.     (1). out     (2). of    (3). curiosity    53. permission    54. connection    55. circulating    56. Therefore    57. occasions    58.     (1). look     (2). down    (3). on/upon    59.     (1). build     (2). up    60. entertain

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