| Abstract | 第7-8页 |
| 摘要 | 第9-10页 |
| Acknowledgements | 第10-11页 |
| Table of Contents | 第11-13页 |
| Chapter 1 Introduction | 第13-18页 |
| 1.1 Background of the study | 第13-15页 |
| 1.2 Purposes of the study | 第15-16页 |
| 1.3 Significance of the study | 第16页 |
| 1.4 Overview of the Thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-32页 |
| 2.1 Definitions and Features of Lexical chunks | 第18-20页 |
| 2.1.1 Definitions of Lexical chunks | 第18-20页 |
| 2.1.2 Features of Lexical chunks | 第20页 |
| 2.2 Classification of lexical chunks | 第20-25页 |
| 2.2.1 Classification of Michael Lewis | 第21-22页 |
| 2.2.2 Classifications of Nattinger & DeCarrico | 第22-25页 |
| 2.3 Lexical chunks and Language Teaching | 第25-32页 |
| 2.3.1 Lexical approach | 第25-27页 |
| 2.3.2 Functions of the lexical approach | 第27-30页 |
| 2.3.3 Key principles of the lexical approach | 第30-32页 |
| Chapter 3 Methodology | 第32-51页 |
| 3.1 Research questions and hypothesis | 第32-33页 |
| 3.2 Participants and textbook | 第33-34页 |
| 3.3 Instruments | 第34-36页 |
| 3.3.1 Pre-test | 第34页 |
| 3.3.2 Post-test | 第34-35页 |
| 3.3.3 Questionnaires | 第35-36页 |
| 3.4 Experimental procedures | 第36-51页 |
| 3.4.1 Introducing Lexical chunks | 第36-38页 |
| 3.4.2 Lexical Chunk input and consolidating stage | 第38-46页 |
| 3.4.3 Lexical Chunk output stage while process writing | 第46-49页 |
| 3.4.4 Lexical Chunk Consolidating Stage after writing | 第49-51页 |
| Chapter 4 Data Collection and Analysis | 第51-63页 |
| 4.1 Results and analysis of pre-test and post-test | 第51-54页 |
| 4.2 Lexical chunk uses between E-G and C-G | 第54-57页 |
| 4.3 Results and analysis of pre-test and post-test about questionnaires | 第57-63页 |
| 4.3.1 Attitudes towards writing | 第57-59页 |
| 4.3.2 Writing strategies | 第59-63页 |
| Chapter 5 Conclusion | 第63-69页 |
| 5.1 Major findings of the study | 第63-64页 |
| 5.2 Enlightenment to teaching | 第64-67页 |
| 5.2.1 Cultivating students' autonomous learning ability | 第64-66页 |
| 5.2.2 Attaching the importance to output ability of lexical chunks | 第66页 |
| 5.2.3 Paying attention to the grammatical analysis | 第66-67页 |
| 5.3 Limitations of the study and suggestions for future study | 第67-69页 |
| References | 第69-72页 |
| Appendix Ⅰ Questionnaire | 第72-75页 |
| Appendix Ⅱ Criteria for Writing Assessment | 第75-78页 |
| Appendix Ⅲ The Writing Task for Pre-test | 第78-79页 |
| Appendix Ⅳ The Writing Task for Post-test | 第79-80页 |
| Appendix Ⅴ Writing scores of the pre-test and post-test | 第80-82页 |
| Appendix Ⅵ The Analytical Statistics for Writing Performance in CG | 第82-85页 |
| Appendix Ⅶ The Analytical Statistics for Writing Performance in EG | 第85-87页 |
| Appendix Ⅷ Statistics for Lexical Chunk Application in CG | 第87-89页 |
| Appendix Ⅸ Statistics for Lexical Chunk Application in EG | 第89-90页 |
