| Acknowledgements | 第1-7页 |
| Abstract | 第7-10页 |
| 摘要 | 第10-16页 |
| Chapter I Introduction | 第16-27页 |
| ·Background of the research | 第17-21页 |
| ·Significance of the research | 第21-25页 |
| ·Needs of fluency and accuracy using English | 第21-22页 |
| ·Demands for better academic performance in senior middle school | 第22-23页 |
| ·Implications for students with poor academic performances | 第23-25页 |
| ·Overall structure of the thesis | 第25-27页 |
| Chapter II Literature Review | 第27-69页 |
| ·Studies on lexical chunks | 第27-42页 |
| ·Definitions of lexical chunks | 第27-35页 |
| ·Classifications of lexical chunks | 第35-40页 |
| ·Functions of lexical chunks | 第40-42页 |
| ·Studies on learning Strategies | 第42-58页 |
| ·Definitions of language learning strategies | 第43-45页 |
| ·Classifications of language learning strategies | 第45-54页 |
| ·Studies on language learning strategies at home and abroad | 第54-58页 |
| ·Studies on excellent senior middle school students | 第58-69页 |
| ·Study on excellent students abroad | 第58-65页 |
| ·Study on excellent students at home | 第65-69页 |
| Chapter III Research Design and Methodology | 第69-80页 |
| ·Research questions | 第69-70页 |
| ·Subjects | 第70-72页 |
| ·Instruments | 第72-77页 |
| ·Diary | 第73页 |
| ·Questionnaire | 第73-76页 |
| ·Interview | 第76-77页 |
| ·Data collection | 第77-78页 |
| ·Research process | 第78-80页 |
| Chapter IV Results and Discussion | 第80-89页 |
| ·Features of learning lexical chunks of excellent students | 第80-82页 |
| ·Before class | 第80-81页 |
| ·In class | 第81页 |
| ·After class | 第81-82页 |
| ·Strategies adopted by excellent students learning lexical chunks | 第82-86页 |
| ·Determination strategy | 第83页 |
| ·Social strategy | 第83-84页 |
| ·Metacognitive strategy | 第84-85页 |
| ·Cognitive strategy | 第85页 |
| ·Memory strategy | 第85-86页 |
| ·Factors affecting students’ learning lexical chunks | 第86-89页 |
| ·Personality | 第87页 |
| ·Motivation | 第87-88页 |
| ·Anxiety | 第88-89页 |
| Chapter V Conclusion | 第89-98页 |
| ·Major findings | 第89-91页 |
| ·Pedagogical implications | 第91-95页 |
| ·Limitations of the research | 第95-96页 |
| ·Suggestions for further research | 第96-98页 |
| Bibliography | 第98-110页 |
| Appendix I Diary（example） | 第110-113页 |
| Appendix II Questionnaire | 第113-117页 |
| Appendix III Interview Guideline | 第117-119页 |
| Papers Published during MA Program | 第119页 |
