| Acknowledgements | 第1-7页 |
| Abstract | 第7-8页 |
| 摘要 | 第8-9页 |
| Contents | 第9-12页 |
| List of Tables | 第12-13页 |
| List of Figures | 第13-14页 |
| List of Abbreviations | 第14-15页 |
| Chapter One Introduction | 第15-21页 |
| ·Rationale for the present study | 第15-18页 |
| ·The importance of DAs in English learning | 第15页 |
| ·Difficulties of learning DAs on the part of the EFL learners in China | 第15-18页 |
| ·Unsatisfactory presentation of DAs in current ECLDs | 第18页 |
| ·Research questions and methodology | 第18-20页 |
| ·Research questions | 第19页 |
| ·Research methodology | 第19-20页 |
| ·Organization of the thesis | 第20-21页 |
| Chapter Two Relevant Studies on Derivational Affixes | 第21-31页 |
| ·Definition,classification and properties of DAs | 第21-27页 |
| ·Definition of derivational affixes | 第21-22页 |
| ·Properties of derivational affixes | 第22-23页 |
| ·Classification of derivational affixes | 第23-27页 |
| ·Previous research on derivational affixes | 第27-31页 |
| ·Previous research on DAs from linguistic perspective | 第27-28页 |
| ·Research on DAs in the field of English language teaching | 第28-29页 |
| ·Previous research on DAs from lexicographic perspective | 第29-31页 |
| Chapter Three Comparative Study of the Presentation of DAs in Current Mainstream ELDs and ECLDs | 第31-48页 |
| ·Introduction | 第31页 |
| ·Essential information concerning DAs in learners' dictionaries | 第31-33页 |
| ·Presentation of DAs in mainstream ELDs(Big Five) | 第33-43页 |
| ·Presentation of DAs in OALD 6 | 第33-36页 |
| ·Presentation of DAs in LDOCE 4 | 第36-37页 |
| ·Presentation of DAs in COBUILD | 第37-38页 |
| ·Presentation of DAs in CALD | 第38-40页 |
| ·Presentation of DAs in MEDAL | 第40页 |
| ·Summary | 第40-43页 |
| ·Examination on the presentation of DAs in ECLDs | 第43-46页 |
| ·Presentation of DAs in MFECD | 第43-44页 |
| ·Presentation of DAs in MFDCETL | 第44-45页 |
| ·Presentation of DAs in NCMFECD | 第45-46页 |
| ·Summary | 第46-48页 |
| Chapter Four Tentative Principles and Methods for an Optimal Presentation of DAs in ECLDs | 第48-63页 |
| ·Introduction | 第48页 |
| ·Inspiration from the CLEC-based analysis of DA acquisition | 第48-49页 |
| ·Insight from the experimental study | 第49-54页 |
| ·Planning and implementation of the survey | 第50页 |
| ·Results and discussions | 第50-54页 |
| ·Principles for optimizing the presentation of DAs in ECLDs | 第54-60页 |
| ·Principles for the presentation of DAs on the megastructure level | 第54-56页 |
| ·Principles for the presentation of DAs on the micro-structural level | 第56-60页 |
| ·Principles for the presentation of DAs on the medio-structure level | 第60页 |
| ·Sample entry | 第60-63页 |
| Chapter Five Conclusion | 第63-67页 |
| ·Research findings | 第63-64页 |
| ·Innovations of the study | 第64-65页 |
| ·Limitations of the study | 第65页 |
| ·Implications and suggestions for further study | 第65-67页 |
| Bibliography | 第67-71页 |
| Appendix A | 第71-72页 |
| Appendix B | 第72-73页 |
| Appendix C | 第73-75页 |
| Appendix D | 第75-76页 |
| Appendix E | 第76-77页 |
| Appendix F | 第77-78页 |
| Appendix G | 第78-79页 |
| Appendix H | 第79-81页 |
