| Acknowledgements | 第4-5页 |
| Abstract | 第5-6页 |
| 摘要 | 第7-8页 |
| Table of Contents | 第8-10页 |
| List of Tables and Figures | 第10-11页 |
| List of Abbreviations | 第11-12页 |
| Chapter One Introduction | 第12-16页 |
| 1.1 General description of the study | 第12-13页 |
| 1.2 Motivations for the study | 第13页 |
| 1.3 Significance of the study | 第13-15页 |
| 1.3.1 Theoretical significance | 第13-14页 |
| 1.3.2 Practical significance | 第14-15页 |
| 1.4 Overall structure of the study | 第15-16页 |
| Chapter Two Literature review | 第16-27页 |
| 2.1 Definition of key terms | 第16-19页 |
| 2.1.1 Learrner perception | 第16-18页 |
| 2.1.2 Topic | 第18-19页 |
| 2.2 Theoretical bases | 第19-22页 |
| 2.2.1 Textbook Evaluation theories | 第19-20页 |
| 2.2.2 Topic interest | 第20-21页 |
| 2.2.2.1 The definition and category of interest | 第20页 |
| 2.2.2.2 The performance of topic interest on learning | 第20-21页 |
| 2.2.3 Vygotsky's notion of ZPD | 第21-22页 |
| 2.2.3.1 The definition of ZPD | 第21页 |
| 2.2.3.2 The implication of ZPD for teaching | 第21-22页 |
| 2.3 Related studies abroad and at home | 第22-25页 |
| 2.3.1 Previous studies on self-selected topics abroad | 第22-23页 |
| 2.3.1.1 The effects of self-selected topics in the L1 context | 第22-23页 |
| 2.3.1.2 The effects of self-selected topics in the L2 context | 第23页 |
| 2.3.2 Previous studies on textbook-assigned topics at home | 第23-25页 |
| 2.3.2.1 Textbook evaluation and topic choice | 第24页 |
| 2.3.2.2 Textbook content analysis and topic choice | 第24-25页 |
| 2.4 Summary | 第25-27页 |
| Chapter Three Methodology | 第27-33页 |
| 3.1 Research questions | 第27页 |
| 3.2 Research design | 第27-33页 |
| 3.2.1 Subjects | 第28页 |
| 3.2.2 Instruments | 第28-31页 |
| 3.2.3 Data collection | 第31-32页 |
| 3.2.4 Data analysis | 第32-33页 |
| Chapter Four Results and Discussion | 第33-47页 |
| 4.1 Learners' general perceptions of textbook-assigned topics | 第33-39页 |
| 4.1.1 Results of learners' general perceptions of textbook-assigned topics | 第33-38页 |
| 4.1.1.1 Learners' perceptions of textbook-assigned topics from the dimension of interest | 第35-36页 |
| 4.1.1.2 Learners' perceptions of textbook-assigned topics from the dimension of knowledge | 第36-37页 |
| 4.1.1.3 Learners' perceptions of textbook-assigned topics from the dimension of importance | 第37页 |
| 4.1.1.4 Learners' perceptions of textbook-assigned topics from the dimension of difficulty | 第37-38页 |
| 4.1.2 Discussion of learners' general perceptions of textbook-assigned topics | 第38-39页 |
| 4.2 The contrast between textbook-assigned and self-selected topics | 第39-47页 |
| 4.2.1 The common themes among learners' self-selected topics | 第39-43页 |
| 4.2.2 The contrast between textbook-assigned and self-selected topics from topic themes and topic content | 第43-45页 |
| 4.2.3 The contrast between textbook-assigned and self-selected topics from four dimensions | 第45-47页 |
| Chapter Five Conclusion | 第47-50页 |
| 5.1 Major findings | 第47页 |
| 5.2 Pedagogical implications | 第47-48页 |
| 5.3 Limitations and suggestions for future studies | 第48-50页 |
| References | 第50-55页 |
| Appendixes | 第55-60页 |
| Appendix Ⅰ:Questionnaire 1 | 第55-58页 |
| Appendix Ⅱ:Argumentative essay framework | 第58-59页 |
| Appendix Ⅲ:Questionnaire 2 | 第59-60页 |
