ContentsIntroductionTable of UnitsAbbreviations and SymbolsUnit 1

Unit 2

Unit 3

Unit 4

Revision Exercises(Unit 1—Unit 4)

Unit 5

Unit 6

Unit 7

Unit 8

Revision Exercises(Unit 5—Unit 8)

Unit 9

Unit 10

Unit 11

Unit 12

Revision Exercises(Unit 9—Unit 12)

Appendix 1 Irregular Verbs

Appendix 2 Phrases and Expressions

Appendix 3 Vocabulary

Acknowledgements