英语教程PDF电子书下载

CONTENTS 1

Lesson One 1

Lesson Two 26

Lesson Three 50

Lesson Four 76

Lesson Five 99

Lesson Six 123

Lesson Seven 146

Revision Exercises(Lessons 1—7) 165

Lesson Eight 172

Lesson Nine 195

Lesson Ten 221

Lesson Eleven 243

Lesson Twelve 265

Revision Exercises(Lessons 8—12) 289

Appendixes: 298

APPENDIX Ⅰ Table of Tenses 298

APPENDIX Ⅱ Irregular Verbs 299

APPENDIX Ⅲ The Fraction,Decimal,Percentage and Multiple 300

APPENDIX Ⅳ Vocabulary 303