| 摘要 | 第1-5页 |
| Abstract | 第5-12页 |
| Chapter One Introduction | 第12-16页 |
| ·Source of the research | 第12-13页 |
| ·Purpose of the research | 第13-14页 |
| ·Significance of the research | 第14页 |
| ·Organization of the research | 第14-16页 |
| Chapter Two Literature Review | 第16-27页 |
| ·Basic knowledge about lexical chunks | 第16-21页 |
| ·The definition of lexical chunks | 第16-17页 |
| ·The features of lexical chunks | 第17-18页 |
| ·The classifications of lexical chunks | 第18-20页 |
| ·The functions of lexical chunks | 第20-21页 |
| ·Research status abroad and home | 第21-27页 |
| ·Research status abroad | 第21-23页 |
| ·Research status at home | 第23-27页 |
| Chapter Three Theoretical Framework | 第27-36页 |
| ·Cognitive analysis | 第28-29页 |
| ·Easing the burden of language processing | 第29-30页 |
| ·The lexical approach | 第30-36页 |
| ·Changing the teacher’s mind-set | 第31-32页 |
| ·Raising chunks consciousness of students | 第32页 |
| ·Lexis in the classroom | 第32-35页 |
| ·Lexical exercise type | 第35-36页 |
| Chapter Four Experiment and Results | 第36-60页 |
| ·Purpose of the experiment | 第36页 |
| ·Hypothesis of the experiment | 第36页 |
| ·Research questions | 第36页 |
| ·Syllabus | 第36页 |
| ·Subjects | 第36-37页 |
| ·Design | 第37-39页 |
| ·Learning and teaching activities | 第37-38页 |
| ·Roles of teachers | 第38页 |
| ·Roles of students | 第38-39页 |
| ·Roles of materials | 第39页 |
| ·Procedure | 第39-60页 |
| ·Before-research preparation | 第39-45页 |
| ·Teaching activities –a sample class | 第45-48页 |
| ·Results of the after-research exams | 第48-52页 |
| ·Vertical comparison in EC | 第52-55页 |
| ·Vertical comparison in CC | 第55-60页 |
| Chapter five Discussion | 第60-66页 |
| ·Horizontal comparison between EC and CC | 第60-61页 |
| ·Final exam score | 第60页 |
| ·The attention to lexical chunks | 第60页 |
| ·Correct rate of chunks items (%) | 第60-61页 |
| ·The usage of chunks in writing | 第61页 |
| ·Vertical comparison in experiment class | 第61-62页 |
| ·The score | 第61页 |
| ·Correct rates of chunks items | 第61-62页 |
| ·Attention to chunks consciousness | 第62页 |
| ·Output of sentence translation | 第62页 |
| ·Vertical comparison in controlled class | 第62-63页 |
| ·The scores | 第62-63页 |
| ·The correct rate of chunks items | 第63页 |
| ·Attention to chunks consciousness | 第63页 |
| ·Output of sentence translation | 第63页 |
| ·Correlations | 第63-66页 |
| Chapter Six Conclusion | 第66-70页 |
| ·Findings | 第66-68页 |
| ·The situation of middle school students' consciousness on chunks is satisfactory after the experiment | 第66页 |
| ·The lexical approach is feasible in English teaching especially for middle school students | 第66-67页 |
| ·Chunks consciousness is positively correlated with English proficiency | 第67-68页 |
| ·Limitations of present study | 第68-69页 |
| ·Suggestions for further study | 第69-70页 |
| Bibliography | 第70-73页 |
| Acknowledgements | 第73-74页 |
| 攻读硕士学位期间的研究成果 | 第74页 |
