| Acknowledgements | 第4-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第8-12页 |
| Chapter One Introduction | 第12-18页 |
| 1.1 Overview of the present study | 第12-13页 |
| 1.2 Motivation of the present study | 第13-15页 |
| 1.3 Significance of the present study | 第15-16页 |
| 1.4 Overall structure of this thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-33页 |
| 2.1 Key term of this study | 第18-23页 |
| 2.1.1 Definition of lead-in | 第18-19页 |
| 2.1.2 Functions of lead-in | 第19-20页 |
| 2.1.3 Strategies of lead-in | 第20-22页 |
| 2.1.4 Principles of lead-in | 第22-23页 |
| 2.2 Theoretical bases in this study | 第23-26页 |
| 2.2.1 C.Rogers' humanism | 第23-24页 |
| 2.2.2 J.Piaget's Constructivism learning theory | 第24-26页 |
| 2.3 Previous studies on lead-in abroad | 第26-27页 |
| 2.4 Previous studies on lead-in at home | 第27-33页 |
| Chapter Three Research Methodology | 第33-42页 |
| 3.1 Research questions | 第33页 |
| 3.2 Research designs | 第33-42页 |
| 3.2.1 Observation | 第34-35页 |
| 3.2.1.1 Subjects | 第34页 |
| 3.2.1.2 Instrument | 第34-35页 |
| 3.2.1.3 Data collection and analysis | 第35页 |
| 3.2.2 Questionnaires | 第35-39页 |
| 3.2.3 Interviews | 第39-42页 |
| Chapter Four Results and Discussions | 第42-60页 |
| 4.1 Present situation of the use of lead-in by senior high school English teachers | 第42-47页 |
| 4.1.1 Results and discussion about the strategies employed and the corresponding frequency | 第42-45页 |
| 4.1.2 Results and discussion about the degree of teachers' concern about lead-in | 第45-47页 |
| 4.2 Results and discussion about teacher and learners' degree of satisfaction towards lead-in phase | 第47-55页 |
| 4.3 Results and discussion about factors that affect teachers' choice of employing different strategies of lead-in | 第55-60页 |
| Chapter Five Conclusion | 第60-64页 |
| 5.1 Major findings | 第60-61页 |
| 5.2 Pedagogical implications | 第61-62页 |
| 5.3 Limitations and suggestions for further research | 第62-64页 |
| References | 第64-68页 |
| Appendixes | 第68-76页 |
| Appendix Ⅰ | 第68-71页 |
| Appendix Ⅱ | 第71-74页 |
| Appendix Ⅲ | 第74-75页 |
| Appendix Ⅳ | 第75-76页 |
