12 Unit 2

12.1 Introduction

12.1.1 Topics covered in this unit

12.1.2 Prerequisites to the unit

12.1.3 Material you will need

12.2 References

12.2.1 Reference List

12.2.2 Vocabulary

12.2.3 Reference Notes

12.2.3.1 Notes on №

12.2.3.2 Notes on №

12.2.3.3 Notes on №

12.2.3.4 Notes on №

12.2.3.5 Notes on №

12.2.3.6 Notes on №

12.2.3.7 Notes on №

12.2.3.8 Notes on №

12.3 Drills

12.4 Criterion test

12.5 Appendices

12.5.1 Appendix

12.5.2 Appendix

12.5.3 Appendix

12.5.4 Appendix

12.5.5 Appendix