| Abstract | 第5页 |
| 摘要 | 第6-9页 |
| Chapter One Introduction | 第9-12页 |
| 1.1 The background of the research | 第9-10页 |
| 1.2 Significance and purpose of the research | 第10-11页 |
| 1.3 Outline of the thesis | 第11-12页 |
| Chapter Two Literature review | 第12-30页 |
| 2.1 Lexical chunks | 第12-16页 |
| 2.1.1 Definition of lexical chunks | 第12-14页 |
| 2.1.2 Classifications of lexical chunks | 第14-15页 |
| 2.1.3 Functions of lexical chunks | 第15-16页 |
| 2.2 The theoretical basis of lexical chunks | 第16-19页 |
| 2.2.1 Psycholinguistic basis | 第16-17页 |
| 2.2.2 The basis of the corpus linguistics | 第17-18页 |
| 2.2.3 The basis of language acquisition research | 第18-19页 |
| 2.3 Studies on lexical chunks abroad and at home | 第19-23页 |
| 2.3.1 Studies of lexical chunks abroad | 第19-22页 |
| 2.3.2 Studies of lexical chunks at home | 第22-23页 |
| 2.4 Studies on lexical chunks approach in writing abroad and at home | 第23-27页 |
| 2.4.1 Studies on lexical chunks approach in writing abroad | 第23-25页 |
| 2.4.2 Studies on lexical chunks approach in writing at home | 第25-27页 |
| 2.5 Studies on interest and confidence in writing | 第27-29页 |
| 2.6 Summary | 第29-30页 |
| Chapter Three Research methodology | 第30-41页 |
| 3.1 The research questions | 第30页 |
| 3.2 The research participants | 第30页 |
| 3.3 The research instruments | 第30-33页 |
| 3.3.1 Questionnaire | 第31-32页 |
| 3.3.2 Pre-test and post-test | 第32页 |
| 3.3.3 Interview | 第32-33页 |
| 3.3.4 SPSS | 第33页 |
| 3.4 The research procedures | 第33-39页 |
| 3.4.1 Procedure of EC | 第34-38页 |
| 3.4.2 Procedure of CC | 第38-39页 |
| 3.5 Data Collection | 第39-41页 |
| Chapter Four Data analysis and discussion | 第41-55页 |
| 4.1 Analysis of Pre-questionnaire | 第41-43页 |
| 4.2 Analysis of Post-questionnaire | 第43-45页 |
| 4.3 Data analysis and discussion of the tests | 第45-48页 |
| 4.3.1 Data analysis and discussion of the pre-test in the EC and CC | 第45-47页 |
| 4.3.2 Data analysis and discussion of the post-test in the EC and CC | 第47-48页 |
| 4.3.3 Data analysis and discussion of the pre-test and post-test in the EC | 第48页 |
| 4.4 Analysis of Lexical Chunks Quantity | 第48-51页 |
| 4.4.1 Analysis of Quantity of Lexical Chunks in Pre-test Writing | 第49-50页 |
| 4.4.2 Analysis of Quantity of Lexical Chunks in Post-test Writing | 第50-51页 |
| 4.5 The Correlation of the Quantity of Lexical Chunks and Writing Scores | 第51页 |
| 4.6 The results and discussion of interview | 第51-53页 |
| 4.7 Summary | 第53-55页 |
| Chapter Five Conclusion | 第55-58页 |
| 5.1 Major findings | 第55-56页 |
| 5.2 Implications of the study | 第56-57页 |
| 5.3 Limitations of the study | 第57页 |
| 5.4 Suggestions for further study | 第57-58页 |
| Bibliography | 第58-63页 |
| Appendix Ⅰ Questionnaire on the Students’Attitude in English writing | 第63-64页 |
| Appendix Ⅱ Writing Level Pre-test | 第64-65页 |
| Appendix Ⅲ Writing Level Post-test | 第65-66页 |
| Appendix Ⅳ The Criterion of 2013 Junior High School English Writing | 第66-68页 |
| Appendix Ⅴ The Results of the Tests | 第68-70页 |
| Appendix Ⅵ Quantity of Lexical Chunks | 第70-72页 |
| Appendix Ⅶ Interview | 第72-73页 |
| Acknowledgements | 第73-74页 |
| The list of the research papers published by the author | 第74-75页 |