| ACKNOWLEDGEMENTS | 第6-7页 |
| ABSTRACT | 第7-9页 |
| 摘要 | 第10-19页 |
| Chapter One INTRODUCTION | 第19-27页 |
| 1.1 Background of the Study | 第19-21页 |
| 1.2 Motivation of the Study | 第21-23页 |
| 1.3 A General Description of the Study | 第23-24页 |
| 1.4 Significance of the Study | 第24-25页 |
| 1.5 Outline of the Thesis | 第25-27页 |
| Chapter Two LITERATURE REVIEW | 第27-54页 |
| 2.1 Lexical Chunk | 第27-34页 |
| 2.1.1 Definitions of Lexical Chunk | 第27-30页 |
| 2.1.2 Classifications of Lexical Chunk | 第30-32页 |
| 2.1.3 Criteria for Identifying Lexical Chunk | 第32-34页 |
| 2.2 The Effects of Lexical Chunks on Vocabulary Knowledge and WritingCompetence | 第34-41页 |
| 2.2.1 Vocabulary Knowledge and Writing Competence | 第34-39页 |
| 2.2.1.1 Vocabulary Knowledge | 第34-36页 |
| 2.2.1.2 Writing Competence | 第36-39页 |
| 2.2.2 Roles of Lexical Chunks in Vocabulary Knowledge and WritingCompetence | 第39-41页 |
| 2.3 Lexical Approach | 第41-45页 |
| 2.3.1 Nattinger and DeCarrico’s Application of Lexical Chunk | 第42-43页 |
| 2.3.2 Michael Lewis’s Lexical Approach | 第43-45页 |
| 2.3.3 Other Scholars’Application of Lexical Chunk in Teaching | 第45页 |
| 2.4 Studies on Lexical Approach | 第45-52页 |
| 2.4.1 Studies on Lexical Approach Abroad | 第46-47页 |
| 2.4.2 Studies on Lexical Approach at Home | 第47-52页 |
| 2.5 Research Perspective of this Study | 第52-54页 |
| Chapter Three IMPLEMENTATION OF LEXICAL APPROACH | 第54-62页 |
| 3.1 Theoretical Basis | 第54-58页 |
| 3.1.1 Noticing | 第54-55页 |
| 3.1.2 Input | 第55-56页 |
| 3.1.3 Memorization | 第56-57页 |
| 3.1.4 Output | 第57-58页 |
| 3.2 A Refined Model of Lexical Approach | 第58-62页 |
| 3.2.1 Noticing Lexical Chunks | 第58页 |
| 3.2.2 Inputting Lexical Chunks | 第58-59页 |
| 3.2.3 Memorizing Lexical Chunks | 第59-60页 |
| 3.2.4 Outputting Lexical Chunks | 第60-62页 |
| Chapter Four METHODOLOGY | 第62-84页 |
| 4.1 Research Questions | 第62页 |
| 4.2 Participants | 第62-63页 |
| 4.3 Instruments and Teaching Materials | 第63-71页 |
| 4.3.1 Test for Vocabulary Knowledge and Scoring | 第64-67页 |
| 4.3.1.1 Test for the Breadth of Knowledge of Vocabulary | 第64-65页 |
| 4.3.1.2 Test for the Depth of Knowledge of Vocabulary | 第65-67页 |
| 4.3.1.2.1 Word Associates Format (WAF) | 第65-66页 |
| 4.3.1.2.2 Cloze Test | 第66-67页 |
| 4.3.2 Writing Test and Scoring | 第67-68页 |
| 4.3.3 Identifying Lexical Chunks in Learners’ Writing Papers | 第68-69页 |
| 4.3.4 An Interview on Learners’Attitudes towards Lexical Approach | 第69-70页 |
| 4.3.5 Lexical Chunk Teaching Materials | 第70-71页 |
| 4.4 Research Procedures | 第71-82页 |
| 4.4.1 Pretests | 第71-72页 |
| 4.4.2 Procedures of the Experiment | 第72-80页 |
| 4.4.2.1 Awareness-Raising in Exploration Stage | 第72-74页 |
| 4.4.2.2 Comprehensible Input in Training Stage | 第74-76页 |
| 4.4.2.3 Memorizing and Practicing in Training Stage | 第76-78页 |
| 4.4.2.4 Output Activities in Consolidating Stage | 第78-80页 |
| 4.4.3 Posttests | 第80-81页 |
| 4.4.4 Interview | 第81-82页 |
| 4.5 Data Collection | 第82-83页 |
| 4.6 Data Analysis | 第83-84页 |
| Chapter Five RESULTS AND DISCUSSIONS | 第84-104页 |
| 5.1 The Effects of Lexical Approach on Learners’ Vocabulary Knowledge | 第84-90页 |
| 5.1.1 The Effects of Lexical Approach on Learners’ Breadth of Knowledge ofVocabulary | 第84-87页 |
| 5.1.2 The Effects of Lexical Approach on Learners’ Depth of Knowledge ofVocabulary | 第87-90页 |
| 5.2 The Effects of Lexical Approach on Learners’ Writing Competence | 第90-98页 |
| 5.2.1 The Effects of Lexical Approach on Learners’Writing Scores | 第90-92页 |
| 5.2.2 Comparison of the Numbers of Lexical Chunks Used in Learners’Writings | 第92-96页 |
| 5.2.3 Improvement in the Appropriate Use of Lexical Chunks | 第96-98页 |
| 5.3 Learners’Attitudes towards Lexical Approach | 第98-99页 |
| 5.4 Discussions | 第99-104页 |
| 5.4.1 Roles of Lexical Approach in Improving Learners’ VocabularyKnowledge | 第100-101页 |
| 5.4.2 Roles of Lexical Approach in Improving Learners’ Writing Competence | 第101-104页 |
| Chapter Six CONCLUSION | 第104-110页 |
| 6.1 Major Findings | 第104-107页 |
| 6.2 Pedagogical Implications | 第107-108页 |
| 6.3 Limitations of the Study and Suggestions for Future Research | 第108-110页 |
| REFERENCES | 第110-119页 |
| APPENDICES | 第119-136页 |
| APPENDIX I Pretest for the Breadth of Knowledge of Vocabulary——VLT (Vocabulary Level Test) | 第119-122页 |
| APPENDIX II Posttest for the Breadth of Knowledge of Vocabulary——VLT (Vocabulary Level Test) | 第122-124页 |
| APPENDIX III Pretest for the Depth of Knowledge of Vocabulary | 第124-128页 |
| APPENDIX IV Posttest for the Depth of Knowledge of Vocabulary | 第128-132页 |
| APPENDIX V Writing Pretest | 第132-133页 |
| APPENDIX VI Writing Posttest | 第133-134页 |
| APPENDIX VII Criteria for Grading the Writing Test Papers | 第134-135页 |
| APPENDIX VIII Interview Questions | 第135-136页 |
| 作者在攻读硕士学位期间发表论文的目录 | 第136页 |
