大学英语四级重点语法与词汇PDF电子书下载

Part One 1

Unit One 1

Unit Two 7

Unit Three 18

Unit Four 41

Unit Five 48

Unit Six 54

Unit Seven 59

Unit Eight 71

Unit Nine 77

Unit Ten 84

Exercises from Unit One to Unit Ten 93

Key to Exercises 119

Part Two 121

Unit One 121

Unit Two 132

Unit Three 137

Unit Four 150

Unit Five 156

Unit Six 164

Unit Seven 172

Unit Eight 179

Unit Nine 191

Unit Ten 206

Exercises from Unit One to Unit Ten 213

Key to Exercises 239

Unit One 241

Part Three 241

Unit Two 248

Unit Three 258

Unit Four 268

Unit Five 280

Unit Six 287

Unit Seven 293

Unit Eight 302

Unit Nine 310

Unit Ten 323

Exercises from Unit One to Unit Ten 330

Key to Exercises 357

Unit One 359

Part Four 359

Unit Two 367

Unit Three 376

Unit Four 380

Unit Five 391

Unit Six 396

Unit Seven 401

Unit Eight 410

Unit Nine 418

Unit Ten 427

Exercises from Unit One to Unit Ten 433

Key to Exercises 459

索引 461

Ⅰ．重点语法索引 461

Ⅱ．重点词汇索引 466