| Synopsis | 第1-5页 |
| 中文摘要 | 第5-8页 |
| Abstract | 第8-17页 |
| Chapter One Introduction | 第17-20页 |
| ·Origin of the Research | 第17页 |
| ·Significance of the Research | 第17-19页 |
| ·Organization of the Thesis | 第19-20页 |
| Chapter Two Lexical Approach and Its Related Literature | 第20-35页 |
| ·Lexical Approach | 第20-21页 |
| ·Background of Lexical Approach | 第20页 |
| ·Major Ideas and Principles of Lexical Approach | 第20-21页 |
| ·Lexical Chunks | 第21-29页 |
| ·Definitions of Lexical Chunks | 第21-23页 |
| ·Classifications of Lexical Chunks | 第23-26页 |
| ·Lexical Chunks in Language Acquisition and Language Application | 第26-29页 |
| ·Lexical Chunks as the Basis of Language | 第26-27页 |
| ·Overcoming Processing of Constraints | 第27-28页 |
| ·Facilitating the Language Production | 第28页 |
| ·Enhancing the Fluency and Accuracy of Language | 第28-29页 |
| ·Theoretical Bases for the Research | 第29-35页 |
| ·Connectionism | 第29-30页 |
| ·Effect of Chunking on Memory | 第30-31页 |
| ·Constructivism | 第31-32页 |
| ·Language Input and Output | 第32-33页 |
| ·Graded Teaching of College English | 第33-35页 |
| Chapter Three Research Methodology | 第35-41页 |
| ·Questions and Hypotheses | 第35页 |
| ·Subjects | 第35-36页 |
| ·Instruments | 第36-37页 |
| ·Tests | 第36页 |
| ·Questionnaire | 第36-37页 |
| ·Experiment Process | 第37-41页 |
| ·Step One Reading and Collection | 第38-39页 |
| ·Step Two Noticing and Memory | 第39页 |
| ·Step Three Oral Output | 第39-40页 |
| ·Step Four Organized Writing | 第40-41页 |
| Chapter Four Results and Analyses of the Experiment | 第41-45页 |
| ·Discussion on Findings about Written English Output | 第41-42页 |
| ·Comparison of the Performance in CET-4 Between CGs and EGs | 第41-42页 |
| ·Comparison of the Improvement in CET-4 Between EGA and EGB | 第42页 |
| ·Discussion on Findings about Oral Output | 第42-45页 |
| ·Contrast of the Performance in Two Oral Exams Between CCs and ECs | 第42-44页 |
| ·Statistics on the Questionnaire about the Improvement in Oral Output | 第44-45页 |
| Chapter Five Conclusions | 第45-46页 |
| Bibliography | 第46-49页 |
| Appendixes | 第49-51页 |
| 导师与作者简介及科研成果 | 第51-52页 |
| Acknowledgements | 第52页 |
