| Abstract | 第4-6页 |
| 摘要 | 第7-14页 |
| Chapter One Introduction | 第14-23页 |
| 1.1 Background and Purpose of the Study | 第14-16页 |
| 1.2 Needs of the Study | 第16-21页 |
| 1.2.1 Problems in College English Writing | 第16-17页 |
| 1.2.2 Importance of Lexical Chunks for English Writing | 第17-20页 |
| 1.2.3 Limitations of the Previous Studies in China and Significance of the Study | 第20-21页 |
| 1.3 Organization of the Thesis | 第21-23页 |
| Chapter Two Literature Review | 第23-34页 |
| 2.1 Lexical Chunks | 第23-27页 |
| 2.1.1 Studies on Lexical Chunks Abroad and at Home | 第23-27页 |
| 2.1.1.1 Studies on Lexical Chunks Abroad | 第23-24页 |
| 2.1.1.2 Research on Lexical Chunks at Home | 第24-26页 |
| 2.1.1.3 Research on the Relationship between Lexical Chunks and English Writing Proficiency | 第26-27页 |
| 2.2 Language Learning Strategies | 第27-34页 |
| 2.2.1 Research on the Relationship between Learning Strategies and the English Writing Proficiency | 第28-30页 |
| 2.2.2 Learning Strategies for Lexical Chunks Learning | 第30-34页 |
| Chapter Three Methodology | 第34-42页 |
| 3.1 Research Questions | 第34-35页 |
| 3.2 Subjects | 第35页 |
| 3.3 Instruments | 第35-40页 |
| 3.3.1 Questionnaire | 第36-38页 |
| 3.3.1.1 Structure of the Questionnaire | 第36-38页 |
| 3.3.1.2 Reliability and Validity of the Questionnaire | 第38页 |
| 3.3.2 English Writing Test | 第38-39页 |
| 3.3.3 Interview | 第39-40页 |
| 3.4 Data Collection and Data Analysis | 第40-42页 |
| 3.4.1 Data Collection and Analysis of the Questionnaire | 第40-41页 |
| 3.4.2 Data Collection and Analysis of the English Writing Test | 第41-42页 |
| Chapter Four Results and Discussion | 第42-69页 |
| 4.1 Description of Subjects’ Learning Strategies for Lexical Chunks and Their English Writing Proficiency | 第42-51页 |
| 4.1.1 Overall Description of Subjects’ Learning Strategies for Lexical Chunks | 第42-45页 |
| 4.1.2 Overall Description of Subjects’ English Writing Proficiency | 第45-46页 |
| 4.1.3 Detailed Description of Subjects’ Learning Strategies for Lexical Chunks | 第46-51页 |
| 4.2 A Comparison of the English Writing Proficiency and LS Use between High-achieving Group and Low-achieving Group | 第51-62页 |
| 4.2.1 A Comparison of English Writing Competence between High-achieving Group and Low-achieving Group | 第51-52页 |
| 4.2.2 A Frequency Comparison of LS Use between High-achieving Groupand Low-achieving Group | 第52-53页 |
| 4.2.3 A Comparison of SLS Use and BEL between High-achieving Groupand Low-achieving Group | 第53-55页 |
| 4.2.4 A Comparison of Three Categories of SLS between High-achievingGroup and Low-achieving Group | 第55-57页 |
| 4.2.5 A Comparison of Using 13 Variables of LS between High-achievingGroup and Low-achieving Group | 第57-62页 |
| 4.2.5.1 A Comparison of Using Variables of Meta-cognitive Strategies between High-achieving Group and Low-achieving Group | 第57-58页 |
| 4.2.5.2 A Comparison of Using Variables of Cognitive Strategies between High-achieving Group and Low-achieving Group | 第58-60页 |
| 4.2.5.3 A Comparison of Using Variables of Social-affective Strategies between High-achieving Group and Low-achieving Group | 第60-61页 |
| 4.2.5.4 A Comparison of Using Variables of BEL betweenHigh-achieving Group and Low-achieving Group | 第61-62页 |
| 4.3 Relationship between Learning Strategies for Lexical Chunks and theEnglish Writing Proficiency | 第62-66页 |
| 4.4 Multiple Regression Analysis of the Influence of Learning Strategies forLexical Chunks on the English Writing Proficiency | 第66-69页 |
| Chapter Five Conclusions and Implications | 第69-75页 |
| 5.1 Research Findings | 第69-71页 |
| 5.2 Implications of the Present Study | 第71-73页 |
| 5.3 Limitations and Suggestions for Future Research | 第73-75页 |
| References | 第75-82页 |
| Appendix I：English Lexical Chunk Learning Questionnaire | 第82-86页 |
| Appendix II：An English Writing Test | 第86-87页 |
| Appendix III：Interview Questions | 第87-88页 |
| ACKNOWLEDGEMENTS | 第88-89页 |
| Published Papers during My Postgraduate Study | 第89页 |
