| Abstract | 第1-7页 |
| 摘要 | 第7-8页 |
| Abbreviations | 第8-9页 |
| List of Tables | 第9-10页 |
| Contents | 第10-13页 |
| Chapter One Introduction | 第13-19页 |
| ·Research Background | 第13-14页 |
| ·Rationale for the Present Study | 第14-17页 |
| ·Research Objectives | 第17页 |
| ·Structure of the Thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-37页 |
| ·Lexical Chunks | 第19-25页 |
| ·Definitions of Lexical Chunks | 第19-21页 |
| ·Classification of Lexical Chunks | 第21-23页 |
| ·Functions of Lexical Chunks | 第23-25页 |
| ·Current Writing Approaches | 第25-28页 |
| ·Product Approach | 第25-26页 |
| ·Process Approach | 第26页 |
| ·Genre Approach | 第26-27页 |
| ·Advantages and Disadvantages of the Previous Approaches | 第27-28页 |
| ·Lexical Chunks Approach in Writing Teaching | 第28-31页 |
| ·Relevant Studies both at Home and Abroad | 第31-35页 |
| ·Studies Abroad | 第31-33页 |
| ·Studies at Home | 第33-35页 |
| ·Summary | 第35-37页 |
| Chapter Three Theoretical Framework | 第37-42页 |
| ·The Lexical Approach | 第37-38页 |
| ·The Key Aspects of the Lexical Approach | 第38-39页 |
| ·The Teaching Principles of the Lexical Approach | 第39-40页 |
| ·The Application of Lexical Approach on Writing Instruction | 第40-42页 |
| Chapter Four Methodology | 第42-53页 |
| ·Research Questions | 第42页 |
| ·Subjects | 第42-44页 |
| ·Instruments | 第44-45页 |
| ·Writing Tests | 第44页 |
| ·Questionnaire | 第44页 |
| ·Interview | 第44-45页 |
| ·Research Design | 第45-51页 |
| ·The Experimental Procedures | 第45-46页 |
| ·The Instruction in the Experimental Group | 第46-51页 |
| ·Preparation | 第47-48页 |
| ·Identifying Teaching Procedures | 第48-51页 |
| ·Data Collection and Analysis | 第51-53页 |
| Chapter Five Results and Discussion | 第53-68页 |
| ·Comparison of the Post-test between the Experimental Group and Control Group | 第53-54页 |
| ·The Overall Effect of the Lexical Approach | 第53-54页 |
| ·The Four Categories of Lexical Chunks Use of CG and EG in Post-test | 第54页 |
| ·Effects of Lexical Approach on the Writing Performance of Three Sub-groups | 第54-60页 |
| ·The Three Sub-groups' Performance in the Post-test | 第55页 |
| ·The Three Sub-groups' Four Categories of Lexical Chunks Use in Post-test | 第55-57页 |
| ·The Three Sub-groups' Confidence in Writing | 第57-58页 |
| ·The Three Sub-groups' Perception of Lexical Approach | 第58页 |
| ·The Three Sub-groups' Attitudes towards Lexical Approach | 第58-60页 |
| ·Discussion | 第60-68页 |
| ·The Effectiveness of Lexical Approach | 第61-63页 |
| ·The Effect of Lexical Approach on the Three Sub-groups | 第63-65页 |
| ·The Effects of the Lexical Approach on the Lexical Chunks Use of Three Sub-groups | 第65-68页 |
| Chapter Six Conclusions | 第68-73页 |
| ·Major Findings | 第68-70页 |
| ·Pedagogical Implications | 第70-72页 |
| ·Limitations and Recommendations for Further Research | 第72-73页 |
| References | 第73-77页 |
| Appendix 1 Post-training questionnaire | 第77-78页 |
| Appendix 2 Questions for the interview | 第78-79页 |
| Appendix 3 The topics applied in two writing tests | 第79-80页 |
| Appendix 4 Rating criteria for Writing in CET-4 | 第80-81页 |
| Appendix 5 Raw scores of EG and CG in grading examination | 第81-82页 |
| Appendix 6 Raw composition scores of EG and CG in post-test | 第82-83页 |
| Appendix 7 Lexical chunks use of the control group in pre-test and post-test | 第83-84页 |
| Appendix 8 Lexical chunks use of the experimental group in pre-test and post-test | 第84-85页 |
| Appendix 9 A Sample Lesson | 第85-89页 |
| Academic papers published during postgraduate study | 第89-90页 |
| Acknowledgements | 第90页 |
