| Abstract | 第1-10页 |
| 摘要 | 第10-12页 |
| List of Abbreviations | 第12-13页 |
| List of Tables | 第13-14页 |
| Chapter One Introduction | 第14-17页 |
| ·Background of the Research | 第14-16页 |
| ·Significance of the Research | 第16页 |
| ·The Structure of the Research | 第16-17页 |
| Chapter Two Literature Review | 第17-37页 |
| ·Researches on Lexical Chunks | 第17-24页 |
| ·Definition of Lexical Chunks | 第17-19页 |
| ·Classifications and Functions of Lexical Chunks | 第19-21页 |
| ·The Roles of Lexical Chunks in English Writing | 第21-24页 |
| ·Lexical Approach | 第24-30页 |
| ·Background of Lexical Approach | 第24-25页 |
| ·Definition, Key Principles and Pedagogical Implications of Lexical Approach | 第25-27页 |
| ·Research on Lexical Approach Abroad and at Home | 第27-30页 |
| ·Higher Vocational College English Writing | 第30-37页 |
| ·The Characteristics of Higher Vocational College English Writing | 第30-33页 |
| ·Existing Problems in Higher Vocational College English Writing | 第33-34页 |
| ·Previous Teaching Approaches in English writing | 第34-37页 |
| Chapter Three Methodology | 第37-49页 |
| ·Hypothesis | 第37页 |
| ·Subjects | 第37-38页 |
| ·Instruments | 第38-39页 |
| ·Research Design and Data Collection | 第39-40页 |
| ·Experiment Procedures in EG | 第40-49页 |
| ·Raising the Students’Awareness of Lexical Chunks | 第40-41页 |
| ·Implementation of Lexical Approach to English Writing Teaching in Higher Vocational College | 第41-49页 |
| ·Input of Lexical Chunks | 第41-47页 |
| ·The Writing Process | 第47-48页 |
| ·Consolidation of Lexical Chunks after Writing | 第48-49页 |
| Chapter Four Results and Discussion | 第49-58页 |
| ·Results Analysis of Pretest Writing between the EG and CG | 第49-51页 |
| ·Writing Scores in Pretest | 第49-50页 |
| ·Quantity of Lexical Chunks in Pretest Writing | 第50-51页 |
| ·Results Analysis of Posttest Writing between the EG and CG | 第51-53页 |
| ·Writing Scores in Posttest | 第51-52页 |
| ·Quantity of Lexical Chunks in Posttest Writing | 第52-53页 |
| ·Comparison of Writing Scores and Quantity of Lexical Chunks between Pretest and Posttest | 第53-54页 |
| ·Writing Scores of EG in Pretest and Posttest | 第53-54页 |
| ·Quantity of Lexical Chunks of EG in Pretest and Posttest Writing | 第54页 |
| ·Correlation Analysis between Writing Scores and Quantity of Lexical Chunks | 第54-55页 |
| ·Results from the Interview | 第55-56页 |
| ·Discussion | 第56-58页 |
| Chapter Five Pedagogical Recommendations | 第58-60页 |
| ·Applying Lexical Approach to English Writing Teaching | 第58页 |
| ·Raising Students’Awareness of Lexical Chunks | 第58-59页 |
| ·Fostering Students’Autonomous Learning Abilities | 第59-60页 |
| Chapter Six Conclusion | 第60-63页 |
| ·Major Findings | 第60-61页 |
| ·Lexical Chunks Are Ideal Unit for English Learning | 第60页 |
| ·Lexical Approach Can Promote Fluency and Accuracy of Writing | 第60页 |
| ·Lexical Approach Can Enhance Students’Pragmatic Competence | 第60-61页 |
| ·Lexical Approach Can Improve Discourse-Organizing Ability | 第61页 |
| ·Limitations | 第61-62页 |
| ·Suggestions for Future Research | 第62-63页 |
| Bibliography | 第63-66页 |
| AppendixⅠ | 第66-67页 |
| AppendixⅡ | 第67-68页 |
| Appendix Ⅲ | 第68-69页 |
| Appendix Ⅳ | 第69-71页 |
| Acknowledgements | 第71-72页 |
| Published Papers | 第72页 |
