| 摘要 | 第5-7页 |
| Abstract | 第7-8页 |
| Abbreviations | 第13-14页 |
| Chapter 1 Introduction | 第14-17页 |
| 1.1 Background of the Study | 第14-15页 |
| 1.2 Significance of the Study | 第15-16页 |
| 1.3 Overall Structure of Paper | 第16-17页 |
| Chapter 2 Literature Review | 第17-27页 |
| 2.1 Definition of Lexical Chunks | 第17-19页 |
| 2.2 Classification of Lexical Chunks | 第19-22页 |
| 2.3 Related Studies of Lexical Chunks | 第22-27页 |
| 2.3.1 Related Studies of Lexical Chunks Abroad | 第22-24页 |
| 2.3.2 Related Studies of Lexical Chunks in China | 第24-27页 |
| Chapter 3 Theoretical Basis | 第27-32页 |
| 3.1 Cognitive Basis of Lexical Chunks | 第27-29页 |
| 3.1.1 Connectionism | 第27-28页 |
| 3.1.2 Chunking Theory | 第28-29页 |
| 3.2 Lexical Chunks in Language Acquisition | 第29-32页 |
| Chapter 4 Research Design | 第32-41页 |
| 4.1 Research Setting | 第32-33页 |
| 4.2 Research Questions | 第33页 |
| 4.3 The Subject of Experiment | 第33-34页 |
| 4.4 Research Methods | 第34页 |
| 4.4.1 Documentary Method | 第34页 |
| 4.4.2 Comparative Experiment Method | 第34页 |
| 4.5 Research Instruments | 第34-35页 |
| 4.6 Research Procedures | 第35-41页 |
| 4.6.1 Research Procedures in Control Class | 第36页 |
| 4.6.2 Research Procedures in Experiment Class | 第36-41页 |
| Chapter 5 Data Collection and Analysis | 第41-52页 |
| 5.1 Data Collection | 第41页 |
| 5.2 Data Analysis of the Pre-test | 第41-45页 |
| 5.2.1 Statistic Analysis of the Pre-test | 第41-43页 |
| 5.2.2 Data Analysis of the Numbers and Frequency of Lexical Chunks Used in Compositions | 第43页 |
| 5.2.3 Data Analysis of Five Categories of Lexical Chunks Used in Compositions30 | 第43-45页 |
| 5.3 Data Analysis of the Post-test | 第45-49页 |
| 5.3.1 Statistic Analysis of the Post-test | 第45-46页 |
| 5.3.2 Data Analysis of the Numbers and Frequency of Lexical Chunks Used in Compositions | 第46-47页 |
| 5.3.3 Data Analysis of Five Categories of Lexical Chunks Used in Compositions34 | 第47-49页 |
| 5.4 Comparison of the Pre-test and Post-test | 第49-52页 |
| 5.4.1 Comparison of the Writing Scores in EC and CC | 第49页 |
| 5.4.2 Comparison of the Numbers and Frequency of Lexical Chunks Used in Compositions | 第49-50页 |
| 5.4.3 Comparison of Five Categories of Lexical Chunks Used in Compositions 37 | 第50-52页 |
| Chapter 6 Conclusion | 第52-57页 |
| 6.1 Findings of the Study | 第52-53页 |
| 6.2 Pedagogical Suggestions on Applying Lexical Chunks to Senior High School English Writing Teaching | 第53-56页 |
| 6.2.1 Developing Students’ Awareness of Lexical Chunks | 第53-54页 |
| 6.2.2 Organizing Classroom Activities with Practice of Lexical Chunks | 第54-55页 |
| 6.2.3 Promoting Students’ Autonomous Learning of Lexical Chunks | 第55-56页 |
| 6.3 Research Limitations | 第56-57页 |
| References | 第57-63页 |
| Appendix1 | 第63-64页 |
| Appendix2 | 第64-65页 |
| Appendix3 | 第65-67页 |
| Acknowledgements | 第67-68页 |
| 作者简介 | 第68页 |
