参考答案
1-5 BCABC 6-10 ABACA
11-15 BCABC 16-20 CBCCA
21-25 ABBDA 26-30 CDADB
31-35 DBDCC 36-40 CFABD
41-45 BDACD 46-50 BACAD
51-55 BCADB 56-60 CACDB
61. the 62. homeless
63. it 64. in
65. gradually 66. assistance
67. which 68. was given
69. to recognize 70. (should) go
短文改错:
71. We had gathered in ... 去掉had
72. The guest from different ...
guest → guests
73. ... lectures introduce what ...
introduce → introducing
74. ... that provided us with ... that → which
75. ... we communicate with ...
communicate → communicated
76. ... we were interested. interested后加in
77. ... in their guidance. in → under
78. ... their favorite jobs. their → our
79. ... I have the clear goal ... the → a
80. ... will try hardly to ... hardly → hard