| ABSTRACT | 第1-5页 |
| 摘要 | 第5-9页 |
| Chapter Ⅰ Introduction | 第9-12页 |
| ·Research Background | 第9-10页 |
| ·Significance and Aims of the Study | 第10-11页 |
| ·Overall Structure of the Thesis | 第11-12页 |
| Chapter Ⅱ Literature Review | 第12-22页 |
| ·Definitions of Key Terms | 第12-15页 |
| ·Definition of Lexical Chunks | 第12-13页 |
| ·Definition of Corpus Linguistics | 第13-15页 |
| ·Previous Studies on Lexical Chunks | 第15-22页 |
| ·Related Studies on Lexical Chunks Abroad | 第15-17页 |
| ·Related Studies on Lexical Chunks in China | 第17-22页 |
| Chapter Ⅲ Theoretical Framework | 第22-31页 |
| ·Lexical Chunks in Language Acquisition | 第22-26页 |
| ·Classifications of Lexical Chunks | 第22-23页 |
| ·Functions of Lexical Chunks | 第23-24页 |
| ·Functions of Lexical Chunks in Writing | 第24-26页 |
| ·Language Transfer Theory | 第26-31页 |
| ·Definition of Language Transfer | 第26-28页 |
| ·Manifestations of Language Transfer | 第28-29页 |
| ·Development Stages of Language Transfer | 第29-31页 |
| Chapter Ⅳ Research Methodology | 第31-37页 |
| ·Research Questions | 第31页 |
| ·Research Design and Procedure | 第31-33页 |
| ·Data Collection | 第33-37页 |
| Chapter Ⅴ Data Analysis and Discussion | 第37-60页 |
| ·Distribution Characteristics of 3 to 6 Words Lexical Chunks | 第37-42页 |
| ·Distribution Characteristics in WEECL | 第37-39页 |
| ·Distribution Characteristics in LOCNESS | 第39-40页 |
| ·Contrastive Analysis of Distribution in WECCL and LOCNESS | 第40-42页 |
| ·Frequently-used Lexical Chunks and Their Structural Classifications | 第42-48页 |
| ·The Most Frequently-Used Lexical Chunks | 第42-44页 |
| ·Structural Distribution of Lexical Chunks | 第44-46页 |
| ·The Structural Characteristics of Frequently-used Lexical Chunks | 第46-48页 |
| ·Functional Classifications of Lexical Chunks | 第48-53页 |
| ·Functional Distribution of Lexical Chunks | 第49-50页 |
| ·Functional Characteristics of Frequently-used Lexical Chunks | 第50-53页 |
| ·Analysis on Structural and Functional Differences of Lexical Chunks | 第53-60页 |
| ·Analysis of the Structural Differences of Lexical Chunks | 第53-57页 |
| ·Analysis of Functional Differences of Lexical Chunks | 第57-60页 |
| Chapter Ⅵ Conclusion | 第60-66页 |
| ·Major Findings | 第60-62页 |
| ·Implications of the Study | 第62-64页 |
| ·Limitations of the Study | 第64页 |
| ·Suggestions for Further Research | 第64-66页 |
| REFERENCES | 第66-69页 |
| ACKNOWLEDGEMENTS | 第69-70页 |
