| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-9页 |
| List of Tables and Figures | 第9-10页 |
| Contents | 第10-12页 |
| Chapter 1 Introduction | 第12-16页 |
| ·Research Background | 第12-13页 |
| ·Significance of the Study | 第13-14页 |
| ·Organization of the Thesis | 第14-16页 |
| Chapter 2 Literature Review | 第16-30页 |
| ·Introduction of Lexical Chunks | 第16-21页 |
| ·Definition of Lexical Chunks | 第16-17页 |
| ·Classification of Lexical Chunks | 第17-19页 |
| ·Functions of Lexical Chunks | 第19-21页 |
| ·Related Studies of Lexical Chunks in English Writing Teaching | 第21-25页 |
| ·Related Studies Abroad | 第21-22页 |
| ·Related Studies in China | 第22-24页 |
| ·Limitations of Previous Studies | 第24-25页 |
| ·Principles of Applying Lexical Chunks in English Writing Teaching | 第25-30页 |
| Chapter 3 Research Design | 第30-42页 |
| ·Teaching Experiment | 第30-33页 |
| ·Research Objectives and Questions | 第30-31页 |
| ·Research Subjects and Teaching Materials | 第31-32页 |
| ·Research Instruments | 第32-33页 |
| ·Teaching Implementation | 第33-40页 |
| ·Introduction of Lexical Chunks | 第33-34页 |
| ·Input and Consolidation of Lexical Chunks | 第34-38页 |
| ·Output of Lexical Chunks | 第38-40页 |
| ·Data collection | 第40-42页 |
| Chapter 4 Data Analysis and Discussion | 第42-56页 |
| ·Data Analysis of the Use of Lexical Chunks | 第42-47页 |
| ·Analysis of the Use of Lexical Chunks in the Pre-test | 第42-43页 |
| ·Analysis of the Use of Lexical Chunks in the Post-test | 第43-47页 |
| ·Data Analysis of Writing Scores | 第47-50页 |
| ·Analysis of Writing Scores in the Pre-test | 第47-48页 |
| ·Analysis of writing Scores in the Post-test | 第48-50页 |
| ·Discussing writing | 第50-56页 |
| ·Problems of Writing in the Pre-test | 第51-53页 |
| ·Improvements of Writing in the Post-test | 第53-56页 |
| Chapter 5 Conclusion | 第56-64页 |
| ·Major Findings | 第56-59页 |
| ·Pedagogical Implication and Limitations of the Study | 第59-62页 |
| ·Suggestions for Further Study | 第62-64页 |
| Bibliography | 第64-68页 |
| Appendix A The Writing Prompts of the Pretest | 第68-70页 |
| Appendix B The Writing Prompts of the Posttest | 第70-72页 |
| Appendix C The Writing Scores of Pretest and Posttest | 第72-74页 |
| Appendix D The Use of Lexical Chunks | 第74-76页 |
| Appendix E 在攻读硕士研究生期间公开发表论文及著作情况 | 第76页 |
