| 摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| 1 Introduction | 第10-13页 |
| ·The rationale of the study | 第10-11页 |
| ·Significance of the study | 第11页 |
| ·Research questions | 第11页 |
| ·Structure of the chapters | 第11-13页 |
| 2 Literature Review | 第13-25页 |
| ·The notion of synonyms | 第13-16页 |
| ·The definition of synonyms | 第13-14页 |
| ·Three types of synonyms vs two types of synonyms | 第14-15页 |
| ·Semantic definition of three types of synonyms | 第15-16页 |
| ·Summary | 第16页 |
| ·Principles for the synonyms' distinction | 第16-18页 |
| ·The review of the synonym study | 第18-25页 |
| ·Current studies on synonyms | 第18-24页 |
| ·The typical feature of synonym studies | 第24页 |
| ·The review of synonyms in CET in China | 第24-25页 |
| 3 Research Methodology | 第25-33页 |
| ·Research questions | 第25页 |
| ·Method | 第25-33页 |
| ·Subjects | 第25-26页 |
| ·Procedures | 第26-27页 |
| ·Data collection | 第27-28页 |
| ·Distinguishing synonyms by Lin Chengzhang's six principles | 第28-33页 |
| 4 Results and Analysis | 第33-42页 |
| ·Quantitative results and analysis | 第33-36页 |
| ·Testing rules and types changed | 第33-34页 |
| ·The frequency of each type in the samples—synonyms in CET4 | 第34-36页 |
| ·The results of the testing the subjects—continuous educational students on the synonyms | 第36页 |
| ·Qualitative results and analysis | 第36-37页 |
| ·Direction or development of CET4 | 第37-38页 |
| ·The features of continuous educational students on learning synonyms in CET4 and reasons for causing these features | 第38-40页 |
| ·Features of the subjects on learning the synonyms in CET4 | 第38页 |
| ·Reasons for the above features | 第38-40页 |
| ·Major findings | 第40-42页 |
| 5 Conclusion and Suggestions for synonym learning | 第42-46页 |
| ·Conclusion | 第42页 |
| ·Suggestions for synonym learning | 第42-45页 |
| ·Strategies for Synonym Learning | 第42-43页 |
| ·Tools for Synonym Learning | 第43-45页 |
| ·Limitations of the present study | 第45页 |
| ·Suggestions for further research | 第45-46页 |
| References | 第46-48页 |
| Appendix A | 第48-57页 |
| Appendix B | 第57-59页 |
| Acknowledgements | 第59页 |
