内容正文:
参考答案
1-5 BCBAB 6-10 CBACC 11-15 ACACC 16-20 BABCC
21-25BCAAD 26-30ACBDC 31-35 BAADB
36-40CBDCA 41-45DCDAA 46-50CABDB
51-55 FDECA
56. pronunciation 57. seldom 58. announce 59.ahead 60.overcomes
61. disappearance 62. supporting 63. lonely 64. widely 65. knowledge
66. who 67. animals 68. for 69. disappear 70. easily
71. down 72. stronger 73. development 74. Second 75. protecting
76. reasons 77. connecting 78. ready 79. successful 80. spend
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