| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-11页 |
| Chapter One Introduction | 第11-16页 |
| ·The Background and Significance of the Research | 第11-14页 |
| ·The Purpose of the Research | 第14页 |
| ·The Outline of the Thesis | 第14-16页 |
| Chapter Two Literature Review | 第16-29页 |
| ·The Approach of English Vocabulary Teaching | 第16-20页 |
| ·The Grammar-Translation Approach | 第16-17页 |
| ·The Direct Approach | 第17-18页 |
| ·The Audio-lingual Approach | 第18-19页 |
| ·The Communicative Approach | 第19-20页 |
| ·Previous Researches on the Prototype Theory | 第20-29页 |
| ·Previous researches on the prototype theory abroad | 第21-27页 |
| ·Previous researchers on the prototype theory at home | 第27-29页 |
| Chapter Three Theoretical Framework | 第29-34页 |
| ·The Definition of Prototype | 第29-30页 |
| ·Content of Prototype Theory | 第30-31页 |
| ·Key Principles of the Prototype Theory | 第31-34页 |
| ·Giving priority to the basic vocabulary teaching | 第31-32页 |
| ·Valuing the prototypical meaning of polysemy | 第32-34页 |
| Chapter Four Research Design | 第34-48页 |
| ·Research Questions | 第34-35页 |
| ·Subjects | 第35页 |
| ·Instruments | 第35-36页 |
| ·Operational Definition of Lexical Competence | 第36-39页 |
| ·Variables Concerned in the Experiment | 第39-40页 |
| ·Research Procedure | 第40-41页 |
| ·Teaching Instructions | 第41-46页 |
| ·Teaching instructions in experimental group | 第41-46页 |
| ·Teaching instructions in control group | 第46页 |
| ·Data Collection and Analysis | 第46-48页 |
| Chapter Five Results and Discussion | 第48-62页 |
| ·Results of Pre-test English Proficiency | 第48-49页 |
| ·Results of Pre-test Receptive Vocabulary Knowledge | 第49-51页 |
| ·Results of Pre-test Productive Vocabulary Knowledge | 第51-52页 |
| ·Results of Pre-test Vocabulary Depth Knowledge | 第52-54页 |
| ·Comparison of the Post-test Receptive Vocabulary Knowledge Scores between the Experimental and Control Group | 第54-55页 |
| ·Comparison of the Post-test Productive Vocabulary Knowledge Scores between the Experimental and Control Group | 第55-56页 |
| ·Comparison of the Post-test Vocabulary Depth Knowledge Scores between the Experimental and Control Group | 第56-58页 |
| ·Comparison of the Experimental Group' Vocabulary Knowledge Scores in the Pre- and Post-test | 第58-62页 |
| Chapter Six Conclusion | 第62-65页 |
| ·Pedagogical Implications | 第62-63页 |
| ·Limitation and Expectation for Further Study | 第63-65页 |
| References | 第65-72页 |
| Appendices | 第72-86页 |
| Appendix Ⅰ Final Test of the Last Semester | 第72-78页 |
| Appendix Ⅱ Vocabulary Tests | 第78-83页 |
| Appendix Ⅲ Raw Scores of the Experimental Group | 第83-85页 |
| Appendix Ⅳ Raw Scores of the Control Group | 第85-86页 |
