许国璋主编《英语》精解 上PDF电子书下载

Contents 1

Book One 1

Lessons One to Twelve 1

Lesson Thirteen 14

Lesson Fourteen 23

Lesson Fifteen 30

Lesson Sixteen 38

Revision Exercises(Lessons 13-16) 45

Lesson Seventeen 50

Lesson Eighteen 63

Lesson Nineteen 72

Lesson Twenty 83

Lesson Twenty-One 93

Revision Exercises(Lessons 17-21) 102

Lesson Twenty-Two 109

Lesson Twenty-Three 121

Lesson Twenty-Four 130

Revision Exercises(Lessons 22-24) 139

Key to the Exercises 144

Lesson One 167

Book Two 167

Lesson Two 180

Lesson Three 193

Lesson Four 205

Lesson Five 216

Revision Exercises(Lessons 1-5) 226

Lesson Six 235

Lesson Seven 243

Lesson Eight 252

Lesson Nine 261

Lesson Ten 271

Revision Exercises(Lessons 6-10) 280

Lesson Eleven 286

Lesson Twelve 298

Lesson Thirteen 312

Lesson Fourteen 325

Lesson Fifteen 338

Lesson Sixteen 352

Lesson Seventeen 362

Revision Exercises(Lesson8 11—17) 372

Key to the Exercises 380