| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-11页 |
| Chapter One Introduction | 第11-17页 |
| 1.1 Research Background | 第11-14页 |
| 1.1.1 Writing Requirements of New Curriculum Standard | 第11-12页 |
| 1.1.2 Current Situation of English Writing Teaching in Senior High School | 第12-14页 |
| 1.2 The Purpose and Significance of the Study | 第14-15页 |
| 1.3 The Organization of the Research | 第15-17页 |
| Chapter Two Literature Review | 第17-23页 |
| 2.1 Advantages of Applying Lexical Chunks to Teaching of English Writing | 第17-18页 |
| 2.2 Relevant Studies of Lexical Chunks at Home and Abroad | 第18-23页 |
| 2.2.1 Relevant Studies Abroad | 第18-21页 |
| 2.2.2 Relevant Studies at Home | 第21-23页 |
| Chapter Three Theoretical Bases of Lexical Approaches to English Teaching | 第23-33页 |
| 3.1 Lexical Chunks | 第23-27页 |
| 3.1.1 Definitions of Lexical Chunks | 第23-25页 |
| 3.1.2 The Classifications of Lexical Chunks | 第25-26页 |
| 3.1.3 The Functions of Lexical Chunks | 第26-27页 |
| 3.2 Lexical Approach | 第27-30页 |
| 3.3 Krashen’s Input Hypothesis | 第30-33页 |
| Chapter Four Experiment Design | 第33-49页 |
| 4.1 Research Questions | 第33页 |
| 4.2 Subjects and Teaching Material of the Study | 第33-34页 |
| 4.3 Instruments of the Study | 第34-36页 |
| 4.3.1 Pre-test and Post-test | 第35页 |
| 4.3.2 Interview | 第35-36页 |
| 4.4 Teaching Procedures | 第36-47页 |
| 4.4.1 Teaching Procedures in Experimental Group | 第37-46页 |
| 4.4.2 Teaching Procedures in Control Group | 第46-47页 |
| 4.5 Data Collection | 第47-49页 |
| Chapter Five Data Analysis and Discussion | 第49-65页 |
| 5.1 Statistic Results of Pre-test | 第49-52页 |
| 5.1.1 Statistic Results of Pre-test English Proficiency | 第49-50页 |
| 5.1.2 Statistic Results of Pre-test English Writing Proficiency | 第50-52页 |
| 5.2 Statistical Results of the Post-test | 第52-53页 |
| 5.3 Comparison of the English Writing Proficiency of the Pre-test and thePost-test | 第53-57页 |
| 5.3.1 Statistical Comparison of the Experimental Group’s English WritingProficiency in the Pre-test and Post-test | 第53-55页 |
| 5.3.2 Statistical Comparison of the Control Group’s English WritingProficiency in the Pre-test and Post-test | 第55-57页 |
| 5.4 Analysis of the Number of Lexical Chunks | 第57-62页 |
| 5.4.1 Analysis of the Number of Lexical Chunks in Pre-test | 第57-58页 |
| 5.4.2 Statistic Description and Analysis of the Number of Lexical Chunks inPost-test | 第58-62页 |
| 5.5 Tests Results and Discussion | 第62-63页 |
| 5.6 Results and Analysis of the Interview | 第63-65页 |
| Chapter Six Conclusion | 第65-69页 |
| 6.1 Major Findings | 第65页 |
| 6.2 Limitations of the Study | 第65-66页 |
| 6.3 Suggestions for Further Studies | 第66-69页 |
| Rederences | 第69-75页 |
| Appendices | 第75-78页 |
| Appendix I Writing Topic of Pre-test | 第75-76页 |
| Appendix II Writing Topic of Post-test | 第76-77页 |
| Appendix III Evaluation Criteria | 第77-78页 |
