| 摘要 | 第1-9页 |
| ABSTRACT | 第9-11页 |
| CHAPTER ONE INTRODUCTION | 第11-15页 |
| ·Purpose of the Study | 第11-12页 |
| ·Significance of the Study | 第12-13页 |
| ·Structure of the Thesis | 第13-15页 |
| CHAPTER TWO LITERATURE REVIEW | 第15-29页 |
| ·Introduction of Error | 第15-16页 |
| ·Definition of error | 第15页 |
| ·Errors and mistakes | 第15-16页 |
| ·Classification of Errors | 第16-25页 |
| ·Corder and Richard's classification of errors | 第17页 |
| ·Dulay,Burt and Krashen's classification of errors | 第17-18页 |
| ·James' classification of errors | 第18-25页 |
| ·Errors at the level of substance | 第19-20页 |
| ·Errors at the level of lexicon | 第20-21页 |
| ·Errors at the level of grammar | 第21-25页 |
| ·Relevant Studies | 第25-29页 |
| ·Studies on the most frequent errors in writing | 第25-26页 |
| ·Studies on the correlation within English performance,grade and errors | 第26-27页 |
| ·Critique of previous studies | 第27-29页 |
| CHAPTER THREE METHODOLOGY | 第29-35页 |
| ·Research Questions | 第29页 |
| ·Participants | 第29-30页 |
| ·Instruments | 第30-31页 |
| ·Argumentative writing test | 第30-31页 |
| ·Questionnaire | 第31页 |
| ·Procedure | 第31-32页 |
| ·Data analysis | 第32-35页 |
| CHAPTER FOUR RESULTS AND DISCUSSIONS | 第35-53页 |
| ·The Most Frequent Errors in the Writing among Students | 第35-38页 |
| ·Distributions of errors | 第35页 |
| ·Description of the top three frequently made errors | 第35-38页 |
| ·Differences in Making Errors between Two Levels of English Proficiency | 第38-43页 |
| ·Differences in errors between two English proficiency levels | 第38-42页 |
| ·Differences in substance errors | 第40页 |
| ·Differences in lexicon errors | 第40-41页 |
| ·Differences in grammar errors | 第41-42页 |
| ·Summary and discussion on differences in making errors between two levels of English proficiency | 第42-43页 |
| ·Differences in Making Errors among Three Grades | 第43-48页 |
| ·Differences in errors among three grades | 第43-47页 |
| ·Differences in substance errors | 第45页 |
| ·Differences in lexicon errors | 第45-46页 |
| ·Differences in grammar errors | 第46-47页 |
| ·Summary and discussion on differences in errors among three grades | 第47-48页 |
| ·Major Causes for Making Errors | 第48-53页 |
| ·Differences in the cause of errors between two English proficiency levels | 第49-50页 |
| ·Differences in the cause of errors among three grades | 第50页 |
| ·Summary and discussion on the cause of errors | 第50-53页 |
| CHAPTER FIVE CONCLUSION | 第53-58页 |
| ·Major Findings | 第53-54页 |
| ·Implications | 第54-55页 |
| ·Suggestions and Limitations | 第55-58页 |
| REFERENCES | 第58-61页 |
| ACKNOWLEDGEMENTS | 第61-63页 |
| APPENDICES | 第63-67页 |
| Appendix Ⅰ English Composition | 第63-65页 |
| Appendix Ⅱ Questionnaire | 第65-67页 |
| Appendix Ⅲ Number of Respondents in Four Causes of Errors | 第67页 |
