| 摘要 | 第1-6页 |
| Abstract | 第6-13页 |
| Introduction | 第13-18页 |
| Chapter One Literature Review | 第18-54页 |
| ·Lexical Chunks | 第18-47页 |
| ·Definition of Lexical Chunks | 第18-21页 |
| ·Classification of Lexical Chunks | 第21-26页 |
| ·Classification of Lexical Chunks in Term of Structure | 第22-23页 |
| ·Classification of Lexical Chunks in Terms of Function | 第23-26页 |
| ·Characteristics of Lexical Chunks | 第26-29页 |
| ·Criteria to Identify Lexical Chunks | 第29-31页 |
| ·The Four-structure Criteria | 第29-30页 |
| ·The Three-level Criteria | 第30-31页 |
| ·Functions of Lexical Chunks | 第31-39页 |
| ·Easing Language Processing | 第31-33页 |
| ·Facilitating Language Production | 第33-35页 |
| ·Helping Establishment and Development of Grammatical Rules | 第35-37页 |
| ·Facilitating Acquisition of Deeper and Wider Lexical Knowledge | 第37-39页 |
| ·Main Researches on Lexical Chunks | 第39-47页 |
| ·Formulaic Nature of Language | 第39-43页 |
| ·Cognitive and Psycholinguistic Basis of Lexical Chunks | 第43-47页 |
| ·Lexical Approach | 第47-53页 |
| ·Main Ideas of Lexical Approach | 第47-50页 |
| ·Key Principle of Lexical Approach—Grammaticalised Lexis | 第50-53页 |
| ·Summary | 第53-54页 |
| Chapter Two Lexical Approach to College English Writing | 第54-65页 |
| ·Why Lexical Approach to College English Writing | 第54-59页 |
| ·Theoretical Need of the Study | 第54-57页 |
| ·Practical Need of the Study | 第57-59页 |
| ·Research Design | 第59-64页 |
| ·Subjects | 第59-62页 |
| ·Research Questions | 第62页 |
| ·Instruments and Data Collection | 第62-64页 |
| ·Summary | 第64-65页 |
| Chapter Three Implementation of the Approach | 第65-82页 |
| ·General Survey of the Implementation | 第65-66页 |
| ·Teaching Lexical Chunks—Chunk-awareness Raising Activities | 第66-75页 |
| ·Productivity Training Methods | 第75-80页 |
| ·Summary | 第80-82页 |
| Chapter Four Findings and Discussions | 第82-106页 |
| ·Quantitative Analysis and Discussions | 第82-92页 |
| ·Relationship between Lexical Approach and Writing Proficiency | 第82-86页 |
| ·Relationship between Lexical Chunks and Students' Writing Proficiency | 第86-92页 |
| ·T-test of Lexical Chunks | 第86-89页 |
| ·Correlation between Lexical Chunks and Composition Scores | 第89-92页 |
| ·Qualitative Analysis and Discussions | 第92-100页 |
| ·Differences of Lexical Chunks between High-rated and Low-rated Compositions | 第92-96页 |
| ·Analysis of Questionnaire | 第96-97页 |
| ·Analysis of Interview | 第97-100页 |
| ·Lexical Chunks and Writing | 第100-105页 |
| ·Fluency | 第101-103页 |
| ·Accuracy | 第103-105页 |
| ·Summary | 第105-106页 |
| Chapter Five Pedagogical Implications and Limitations | 第106-113页 |
| ·Pedagogical Implications | 第106-112页 |
| ·Teaching and Learning Language through Lexical Chunks | 第106-109页 |
| ·Raising Chunk Awareness by Noticing | 第109-112页 |
| ·Limitations of the Study | 第112-113页 |
| Conclusion | 第113-116页 |
| Bibliography | 第116-121页 |
| Appendices | 第121-131页 |
| Appendix 1 | 第121-122页 |
| Appendix 2 | 第122-123页 |
| Appendix 3 | 第123-125页 |
| Appendix 4 | 第125-127页 |
| Appendix 5 | 第127-129页 |
| Appendix 6 | 第129-131页 |
| Acknowledgements | 第131-132页 |
| 攻读硕士学位期间主要科研活动状况 | 第132页 |
