| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-10页 |
| Introduction | 第10-13页 |
| 1 Literature Review | 第13-40页 |
| ·The definition of ambiguity | 第13-15页 |
| ·The differences between several relevant terminologies | 第15-19页 |
| ·The characteristics of ambiguity | 第19-21页 |
| ·The classification of ambiguity | 第21-30页 |
| ·Disambiguation | 第30-40页 |
| 2 Research Method | 第40-42页 |
| ·Data collection | 第40页 |
| ·Data analysis | 第40-42页 |
| 3 Results and Discussion | 第42-60页 |
| ·Classification of the corpus | 第42-43页 |
| ·Ambiguity at the lexical-level | 第43-47页 |
| ·Ambiguity at the Syntactic-level | 第47-54页 |
| ·Disambiguation at lexical and syntactic level | 第54-60页 |
| Conclusion | 第60-62页 |
| Bibliography | 第62-68页 |
| AppendixⅠPublished papers during study of MA | 第68-69页 |
| AppendixⅡAmbiguous sentences quoted from students’writings | 第69-72页 |
