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词汇与语法(周玉亮版本）
51. C 52. B 53. D 54. A 55. B
56. A 57. C 58. A 59. D 60. D
61. A 62. C 63. B 64. C 65. D
66. A 67. C 68. B 69. A 70. D
71. B 72. D 73. C 74. A 75. D
76. B 77. D 78. A 79. C 80. C
完形填空参考答案（周玉亮版本）
31. A detected 32. B and 33. B point 34. D with 35. C aches
36. A progress 37. C mechanical 38. D generally 39. B might 40. C developing
41. B that 42. A so 43. D transmission 44. C newly 45. B through
46. A for 47. D contract 48. C disease 49. B linger 50. C surfaces
