| Abstract | 第1-9页 |
| 摘要 | 第9-11页 |
| List of Table | 第11-12页 |
| List of Figure | 第12-13页 |
| Introduction | 第13-16页 |
| Chapter One Literature Review | 第16-21页 |
| ·Review of Paradigmatic Relation | 第16-18页 |
| ·The Studies of Lexical Paradigmatic Relation | 第17页 |
| ·The View of London School | 第17-18页 |
| ·Previous Studies Related to English Writing Based on Paradigmatic Relation | 第18-21页 |
| Chapter Two Theoretical Background | 第21-29页 |
| ·Paradigmatic Relation | 第21-25页 |
| ·Lexical Paradigmatic Relation and Semantic Field | 第21-23页 |
| ·Types of Lexical Paradigmatic Relation | 第23-25页 |
| ·Relationships between Lexical Substitution and English Writing | 第25-26页 |
| ·Lexical Errors in English Writing | 第26-29页 |
| ·Incorrect Selection of Synonymy | 第27页 |
| ·Incorrect Collocation | 第27-28页 |
| ·Incorrect Fixed Expressions | 第28-29页 |
| Chapter Three Research Design | 第29-35页 |
| ·Pilot Study | 第29页 |
| ·Research Questions | 第29页 |
| ·Procedure of the Present Study | 第29-35页 |
| ·Extraction of Data | 第30-31页 |
| ·Principles of Analysis | 第31页 |
| ·Method of Coding | 第31-34页 |
| ·Steps of Identification | 第34-35页 |
| Chapter Four Results and Discussion | 第35-58页 |
| ·Substitution Frequencies across Four Proficiency Levels | 第35-49页 |
| ·Overall Frequencies of Substitution across Four Proficiency Levels | 第35-37页 |
| ·The Frequencies of Synonym Substitution | 第37-41页 |
| ·The Frequencies of Antonym Substitution | 第41-45页 |
| ·The Frequencies of Hyponym Substitution | 第45-48页 |
| ·Summary | 第48-49页 |
| ·Substitution Errors across Four Proficiency Levels | 第49-58页 |
| ·Quantitative Study on Substitution Errors | 第49-51页 |
| ·Qualitative Study on Substitution Errors | 第51-57页 |
| ·Summary | 第57-58页 |
| Chapter Five Findings and Pedagogical Implications | 第58-64页 |
| ·Findings | 第58-59页 |
| ·Pedagogical Implications | 第59-63页 |
| ·Raising Students’Awareness of Lexical Substitution | 第60页 |
| ·Teaching Synonyms, Antonyms and Hyponyms in Semantic Field | 第60-61页 |
| ·Enhancing Lexical Richness of Writing by Teaching Synonyms | 第61-62页 |
| ·Recognizing Substitution Errors by Doing Lexical Substitution Practice | 第62-63页 |
| ·Summary | 第63-64页 |
| Conclusion | 第64-66页 |
| Bibliography | 第66-70页 |
| Acknowledgements | 第70-71页 |
| Publications | 第71页 |
