| Abstract | 第8-9页 |
| 摘要 | 第10-12页 |
| Acknowledgments | 第12-15页 |
| Chapter One Introduction | 第15-21页 |
| 1.1 Present Educational Background | 第15-17页 |
| 1.2 Theoretical Background | 第17-19页 |
| 1.3 Significance of the Research | 第19页 |
| 1.4 Overview of the Thesis | 第19-21页 |
| Chapter Two Literature Review | 第21-39页 |
| 2.1 Definitions of Lexical Chunks | 第21-23页 |
| 2.2 Lewis's Classification of Lexical Chunks | 第23-26页 |
| 2.3 Functions of Lexical Chunks | 第26-34页 |
| 2.3.1 Facilitating Acquisition of Ample Lexical Knowledge | 第26-28页 |
| 2.3.2 Establishing and Developing Grammatical Rules | 第28-29页 |
| 2.3.3 Promoting the Fluency and Accuracy of Language Output | 第29-32页 |
| 2.3.4 Stimulating Motivation | 第32-34页 |
| 2.4 The Lexical Approach and Its Implementation | 第34-36页 |
| 2.5 Summary | 第36-39页 |
| Chapter Three Research Methodology | 第39-58页 |
| 3.1 Participants | 第39-40页 |
| 3.2 Teaching Materials and Instruments | 第40-41页 |
| 3.3 Experiment Procedures | 第41-57页 |
| 3.3.1 Raising Students' Awareness of Lexical Chunks | 第42-47页 |
| 3.3.2 Applying the Lexical Approach in Text Learning | 第47-55页 |
| 3.3.3 Instructing Students to Apply Lexical Chunks to Writing | 第55-57页 |
| 3.4 Data Collection | 第57-58页 |
| Chapter Four Data Analysis and Discussion | 第58-70页 |
| 4.1 Quantitative Analysis and Discussions | 第58-65页 |
| 4.1.1 General Descriptive Statistics for the Composition Scores | 第58-61页 |
| 4.1.2 General Descirptive Statistics for the Number of Lexical Chunks | 第61-65页 |
| 4.2 Qualitative Analysis and Discussions | 第65-70页 |
| 4.2.1 Analysis of Questionnaire 1 | 第65-67页 |
| 4.2.2 Analysis of Questionnaire 2 | 第67-70页 |
| Chapter Five Conclusion | 第70-76页 |
| 5.1 Major Findings of the Research | 第70-71页 |
| 5.2 Pedagogical Implications for English Teaching | 第71-73页 |
| 5.3 Limitation of the Study | 第73-75页 |
| 5.4 Further Research Suggestions | 第75-76页 |
| References | 第76-80页 |
| Appendix 1 Questionnaires | 第80-85页 |
| Appendix 2 Writing Tasks in Pretest and Posttest | 第85-87页 |
| Appendix 3 Criterion of Grading College Entrance Examination | 第87-89页 |
| Appendix 4 Raw Scores of Students' Compositions in the Pretest and Posttest | 第89-92页 |
| Appendix 5 Raw Data of the Number of Lexical Chunks in Students'Compositions in the Pretest and Posttest | 第92-94页 |
