大学英语听力四级考试捷径 上PDF电子书下载

Unit 1 1

Unit 2 6

Unit 3 11

unit 4 16

Unit 5 21

Unit 6 26

Unit 7 31

Unit 8 37

Unit 9 42

Unit 10 48

Unit 11 52

Unit 12 58

Unit 13 63

Unit 14 67

Unit 15 73

Unit 16 79

Unit 17 85

Unit 18 90

Unit 19 95

Unit 20 100

Unit 21 106

Unit 22 112

Unit 23 118

Unit 24 124

Unit 25 131

Unit 26 137

Unit 27 143

Unit 28 150

Unit 29 156

Unit 30 163

Scripts and Key to the Exercises 171

Unit 1 171

Unit 2 175

Unit 3 179

Unit 4 183

Unit 5 187

Unit 6 191

Unit 7 196

Unit 8 200

Unit 9 204

Unit 10 209

Unit 11 214

Unit 12 219

Unit 13 223

Unit 14 228

Unit 15 233

Unit 16 238

Unit 17 243

Unit 18 248

Unit 19 253

Unit 20 258

Unit 21 262

Unit 22 267

Unit 23 272

Unit 24 277

Unit 25 282

Unit 26 287

Unit 27 293

Unit 28 298

Unit 29 304

Unit 30 309