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【网络综合 - 大学英语四六级考试试题】 Part V Cloze (15 minutes) Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A)， B)， C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre。 答案： 62. B)notion 63. C)before 64. B)on 65. A)proposed 66. D)evidence 67. B)original 68. A)however 69. C)effort 70. C)opposed 71. D)once 72. D)techniques 73. C)inside 74. C)lessons 75. D)enhance 76. A)convince 77. A)trouble 78. C)diligent 79. C)process 80. B)concentrate 81. D)or | 
