| ABSTRACT | 第1-5页 |
| 摘要 | 第5-8页 |
| Chapter Ⅰ Introduction | 第8-11页 |
| ·Rationale for the Study | 第8页 |
| ·Necessity and Significance in Conducting Research on Avoidance of Phrasal Verbs | 第8-9页 |
| ·Organization of this Thesis | 第9-11页 |
| Chapter Ⅱ Literature Review | 第11-32页 |
| ·The Development of Research on Avoidance | 第11-13页 |
| ·The Theoretical Background of Phrasal verbs | 第13-20页 |
| ·The Definition of Phrasal Verbs | 第13-14页 |
| ·Structural Approach to the Study of Phrasal Verbs | 第14-16页 |
| ·Cognitive Approach to the Study of Phrasal Verbs | 第16-20页 |
| ·The Semantic Classification of Phrasal Verbs | 第20-22页 |
| ·Previous Empirical Studies on Avoidance of Phrasal Verbs | 第22-26页 |
| ·Elaboration of Four Empirical Studies on Avoidance of Phrasal Verbs | 第22-24页 |
| ·Weaknesses of Four Empirical Studies on Avoidance of Phrasal Verbs | 第24-26页 |
| ·Prototype Theory | 第26-28页 |
| ·'Classical Theory' of Categorization | 第26页 |
| ·Prototype Theory | 第26-28页 |
| ·Theories on Metaphor | 第28-29页 |
| ·Traditional Understandings on Metaphor | 第28页 |
| ·Cognitive Properties of Metaphor | 第28-29页 |
| ·Theories on Image-schema | 第29-32页 |
| ·Definition of Image-schema | 第29-30页 |
| ·Image Schema Transformations | 第30页 |
| ·Image Schema in Cognitive Linguistics | 第30-32页 |
| Chapter Ⅲ Methodology | 第32-35页 |
| ·Research Questions | 第32页 |
| ·Experiment study | 第32-35页 |
| ·Subjects | 第32-33页 |
| ·Materials | 第33-34页 |
| ·Procedures | 第34-35页 |
| Chapter Ⅳ Results and Discussion | 第35-45页 |
| ·Frequencies of Four Groups' PV Usage | 第35-36页 |
| ·Frequencies of Four Groups' Usage of Three Types of Phrasal verbs | 第36-37页 |
| ·Diagram of Usage of Three Types of Phrasal verbs in Four Groups | 第37-38页 |
| ·The Answer to the First Research Question | 第38-41页 |
| ·Discussion of the Results Concerning the First Research Question | 第38-39页 |
| ·Structural Discrepancies between Learners' L1 and L2 | 第39-41页 |
| ·The Answer to the Second Research Question | 第41-43页 |
| ·Discussion of the Results Concerning the Second Research Question | 第41页 |
| ·Inter-language Development | 第41-43页 |
| ·The Answer to the Third Research Question | 第43-45页 |
| ·Discussion of the Results Concerning the Third Research Question | 第43页 |
| ·Semantic Complexities of Phrasal Verbs | 第43-45页 |
| Chapter Ⅴ Conclusion and Recommendation | 第45-53页 |
| ·Summary of the Research | 第45页 |
| ·Pedagogical Implications | 第45-52页 |
| ·Linguistic Suggestion for the Acquisition of Phrasal Verb—Frequent Exposure to Positive Input | 第46页 |
| ·Cognitive Suggestions for the Acquisition of Phrasal Verbs | 第46-51页 |
| ·Cultural Suggestion for the Acquisition of Phrasal Verbs | 第51-52页 |
| ·Limitations and Further Improvement | 第52-53页 |
| Acknowledgments | 第53-54页 |
| References | 第54-56页 |
| Appendix A:Comprehension Test | 第56-57页 |
| Appendix B:Multiple-choice Test | 第57-59页 |
| Paper Published | 第59页 |
