| Acknowledgments | 第7-8页 |
| Abstract | 第8-10页 |
| 摘要 | 第11-23页 |
| Chapter One Introduction | 第23-30页 |
| Research Background of the Study | 第23-25页 |
| Purpose of the Study | 第25-26页 |
| Significance of the Study | 第26-27页 |
| Scope of the Study | 第27-28页 |
| Organization of the Study | 第28-30页 |
| Chapter Two Theoretical Foundation | 第30-54页 |
| Incidental Vocabulary Acquisition and Implicit Learning | 第30-35页 |
| Background and Terms of Incidental Vocabulary Acquisition | 第30-33页 |
| Receptive and Productive Acquisition of Vocabulary | 第33-34页 |
| Theoretical Significance for Present Study | 第34-35页 |
| Involvement Load Hypothesis | 第35-42页 |
| Background of Involvement Load Hypothesis | 第35-37页 |
| Involvement Load Hypothesis | 第37-41页 |
| Theoretical Significance for Present Study | 第41-42页 |
| Business English-English for Specific Purposes | 第42-46页 |
| Background of BE | 第42-43页 |
| Theoretical Foundations of BE | 第43-45页 |
| Theoretical Significance for Present Study | 第45-46页 |
| Case-based Teaching | 第46-52页 |
| Background of Case-based Teaching | 第46-47页 |
| Definition of Case-based Teaching | 第47-49页 |
| Development of Case-based Teaching | 第49页 |
| Theoretical Foundation of Case-based Teaching | 第49-51页 |
| Pedagogical Procedures of Case-based Teaching | 第51-52页 |
| Theoretical Significance for Present Study | 第52页 |
| Summary | 第52-54页 |
| Chapter Three Literature Review | 第54-68页 |
| Empirical Researches on IVA | 第54-58页 |
| Foreign Empirical Researches on IVA | 第54-57页 |
| Domestic Empirical Researches on IVA | 第57-58页 |
| Empirical researches on Involvement Load Hypothesis | 第58-61页 |
| Foreign Empirical Researches on Involvement Load Hypothesis | 第58-59页 |
| Domestic Empirical Researches on Involvement Load Hypothesis | 第59-61页 |
| Empirical Researches on BE | 第61-63页 |
| Empirical Researches on Case-based Teaching | 第63-64页 |
| Strengths and Limitations of Previous Studies | 第64-66页 |
| Strengths | 第64-65页 |
| Limitations | 第65-66页 |
| Orientation of the Study | 第66-68页 |
| Chapter Four Experimental Design | 第68-76页 |
| Research Questions and Hypotheses | 第68-70页 |
| Experimental Design | 第70页 |
| Experiment | 第70-72页 |
| Experimental Procedures | 第72-73页 |
| Grouping | 第73-74页 |
| Variables | 第74页 |
| Pilot Study and Homogeneity Test | 第74-76页 |
| Pilot Study | 第74-75页 |
| Homogeneity Test | 第75-76页 |
| Chapter Five Methodology | 第76-86页 |
| Participants | 第76-78页 |
| Instruments | 第78-82页 |
| Case-based Material | 第78-79页 |
| Target Words | 第79-80页 |
| Guidance of Relevant Questions | 第80-81页 |
| Tasks | 第81-82页 |
| BE Vocabulary Acquisition Measurement and Scoring | 第82-84页 |
| BE Vocabulary Acquisition Measurement | 第82-83页 |
| Scoring | 第83-84页 |
| Data Collection | 第84页 |
| Analysis | 第84-86页 |
| Chapter Six Results and Discussion | 第86-96页 |
| Results and Discussion of Research Question 1 | 第86-88页 |
| Results | 第86-87页 |
| Discussion | 第87-88页 |
| Results and Discussion of Research Question 2 | 第88-89页 |
| Results | 第89页 |
| Discussion | 第89-90页 |
| Results and Discussion of Research Question 3 | 第90-92页 |
| Results | 第91页 |
| Discussion | 第91-92页 |
| Results and Discussion of Research Question 4 | 第92-94页 |
| Results | 第92页 |
| Discussion | 第92-94页 |
| Summary | 第94-96页 |
| Chapter Seven Conclusion and Implication | 第96-99页 |
| Conclusion | 第96页 |
| Pedagogical Implications | 第96-97页 |
| Limitation of the Present Study | 第97-99页 |
| References | 第99-105页 |
| Appendices | 第105-137页 |
| Appendix A Questionnaire A | 第105-108页 |
| Appendix B Questionnaire B | 第108-111页 |
| Appendix C General English Proficiency Level Test | 第111-113页 |
| Appendix D Vocabulary Level Test | 第113-124页 |
| Appendix E Case-based Material | 第124-128页 |
| Appendix F Immediate Test | 第128-133页 |
| Appendix G Delayed Test | 第133-137页 |
| Publications of the Author | 第137页 |
