Unit 1 1
Unit 2 13
Unit 3 25
Unit 4 37
Unit 5 52
Unit 6 65
Unit 7 78
Unit 8 89
Unit 9 101
Unit 10 114
Unit 11 124
Unit 12 135
Unit 13 146
Unit 14 159
Unit 15 172
听力文本及答案Unit 1 186
Unit 2 193
Unit 3 200
Unit 4 206
Unit 5 213
Unit 6 222
Unit 7 229
Unit 8 235
Unit 9 241
Unit 10 248
Unit 11 254
Unit 12 261
Unit 13 267
Unit 14 275
Unit 15 282