大学英语听力四级考试捷径 下PDF电子书下载

Unit 1 SoundRecognition 1

Unit 2 Numbers 4

Unit 3 Computation 9

Unit 4 Restatement 14

Unit 5 Inference 19

Unit 6 Negation 24

Unit 7 Inference 30

Unit 8 Paraphrasing 36

Unit 9 ChronologicalOrder 41

Unit 10 Conditionals 47

Unit 11 Comparison 52

Unit 12 Cause and Effect 57

Unit 13 Concession andImplication 63

Unit 14 ContextualReference 68

Unit 15 Intergrative skillsTraining 74

Unit 16 modelTest 80

Unit 17 modelTest 84

Unit 18 modelTest 89

Unit 19 modelTest 93

Unit 20 modelTest 97

Unit21 modelTest 101

Unit 22 modelTest 105

Unit 23 modelTest 110

Unit 24 modelTest 114

Unit 25 modelTest 118

Unit 26 modelTest 122

Unit 27 modelTest 127

Unit 28 modelTest 131

Unit 29 modelTest 135

Unit 30 modelTest 140

Scripts and Key to the Exercises 145

Unit 1 145

Unit 2 149

Unit 3 153

Unit 4 158

Unit 5 162

Unit 6 167

Unit 7 171

Unit 8 175

Unit 9 179

Unit 10 184

Unit 11 188

Unit 12 193

Unit 13 198

Unit 14 203

Unit 15 207

Unit 16 212

Unit 17 217

Unit 18 223

Unit 19 228

Unit 20 234

Unit 21 240

Unit 22 245

Unit 23 250

Unit 24 256

Unit 25 262

Unit 26 267

Unit 27 273

Unit 28 279

Unit 29 285

Unit 30 291