| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-12页 |
| LIST OF ABBREVIATIONS | 第12-15页 |
| CHAPTER ONE INTRODUCTION | 第15-23页 |
| 1.1 Research Objective | 第16页 |
| 1.2 Rationale | 第16-17页 |
| 1.3 Research Questions | 第17-18页 |
| 1.4 Operational Definitions | 第18-21页 |
| 1.5 Organization of the Thesis | 第21-23页 |
| CHAPTER TWO LITERATURE REVIEW | 第23-37页 |
| 2.1 Previous Studies of English Textbook Evaluation | 第23-28页 |
| 2.2 Previous Studies on Success with BEC | 第28-31页 |
| 2.3 Previous Studies on Vocabulary in English Textbooks | 第31-35页 |
| 2.4 Summary | 第35-37页 |
| CHAPTER THREE THEORETICAL BASIS | 第37-43页 |
| 3.1 Input Hypothesis | 第37-40页 |
| 3.2 Incidental Vocabulary Acquisition Hypothesis | 第40-42页 |
| 3.3 Theoretical Framework | 第42-43页 |
| CHAPTER FOUR RESEARCH OBJECT, TOOLS AND PROCEDURES | 第43-51页 |
| 4.1 Research Object | 第43-44页 |
| 4.2 Corpus Analysis Tools Applied in the Study | 第44-46页 |
| 4.3 Data Collection and Processing | 第46-49页 |
| 4.4 Analytical Framework | 第49-51页 |
| CHAPTER FIVE RESULTS AND ANALYSES | 第51-73页 |
| 5.1 Comprehensibility of Texts | 第51-57页 |
| 5.1.1 Comprehensibility of Texts in Success (Preliminary) | 第52-55页 |
| 5.1.2 Comprehensibility of Texts in Success (Vantage) | 第55-56页 |
| 5.1.3 Comprehensibility of Texts in Success (Higher) | 第56-57页 |
| 5.2 Difficulty of Texts | 第57-67页 |
| 5.2.1 Difficulty of Texts in Success (Preliminary) | 第58-61页 |
| 5.2.2 Difficulty of Texts in Success (Vantage) | 第61-64页 |
| 5.2.3 Difficulty of Texts in Success (Higher) | 第64-66页 |
| 5.2.4 Difficulty of Texts in Success as a Whole | 第66-67页 |
| 5.3 Repetition of New Words | 第67-71页 |
| 5.3.1 Repetition of New Words in Success (Preliminary) | 第68-69页 |
| 5.3.2 Repetition of New Words in Success (Vantage) | 第69-70页 |
| 5.3.3 Repetition of New Words in Success (Higher) | 第70-71页 |
| 5.4 Summary | 第71-73页 |
| CHAPTER SIX CONCLUSION | 第73-77页 |
| 6.1 Findings | 第73-74页 |
| 6.2 Implications | 第74-75页 |
| 6.3 Limitations | 第75-77页 |
| REFERENCES | 第77-83页 |
| APPENDICES | 第83-90页 |
| Appendix A Success (Preliminary) VS CET4 Vocabulary | 第83-86页 |
| Appendix B Success (Vantage) VS CET6 Vocabulary | 第86-89页 |
| Appendix C Success (Higher) VS TEM8 Vocabulary | 第89-90页 |