Unit 1 1
Unit 2 13
Unit 3 23
Unit 4 32
Unit 5 40
Unit 6 48
Unit 7 58
Unit 8 69
Unit 9 78
Unit 10 89
Unit 11 99
Unit 12 109
Unit 13 120
Unit 14 131
Unit 15 141
Unit 16 151
Unit 17 161
Unit 18 169
Unit 19 176
Unit 20 182
Unit 21 189
Unit 22 195
Unit 23 202
Unit 24 208
Unit 25 214
Unit 26 221
Unit 27 230
Unit 28 237
Unit 29 245
Unit 30 255
Unit 31 264
Unit 32 274
Unit 33 280
Unit 34 289
Unit 35 299
Unit 36 309
Unit 37 319
Unit 38 327
Unit 39 334
Unit 40 342
练习参考答案 349
附录:托福/雅思核心词汇 365