大学英语同步测试及难点解析PDF电子书下载

Synchronous Test to College English Bood 1 1

Unit One 1

Unit Two 8

Unit Three 15

Unit Four 22

Unit Five 29

Unit Six 36

Unit Seven 43

Unit Eight 51

Unit Ninc 58

Unit Ten 65

Key to Synchronous Test Bood Ⅰ 72

Explaanations 78

Synchronous Test to college English BookⅡ 82

Unit One 82

Unit Two 89

Unit Three 95

Unit Four 101

Unit Five 107

Unit Six 113

Unit Seven 119

Unit Eight 125

Unit Nine 132

Unit Ten 139

Key to Synchronous Test BookⅡ 146

Explanations 151

Unit One 155

Synchronous Test to College English Bood Ⅲ 159

Unit Two 163

Unit Three 171

Unit Four 179

Unit Five 186

Unit Six 193

Unit Seven 200

Unit Eight 208

Unit Nine 215

Unit Ten 223

Key to Synchronous Test BookⅢ 230

Explanations 239

Synchronous Test to College Englisb Book Ⅳ 244

Unit One 244

Unit Two 252

Unit Three 261

Unit Four 269

Unit Five 277

Unit Six 285

Unit Seven 293

Unit Eight 301

Unit Nine 308

Unit tcn 315

Key to Synchronous Test Book Ⅳ 323

Explanations 331