| ACKNOWLEDGEMENTS | 第1-8页 |
| ABSTRACT | 第8-10页 |
| 摘要 | 第10-12页 |
| TABLE OF CONTENTS | 第12-15页 |
| LIST OF TABLES AND FIGURES | 第15-19页 |
| LIST OF ABBREVIATIONS | 第19-20页 |
| Chapter One INTRODUCTION | 第20-24页 |
| ·Motivation | 第20-22页 |
| ·Need for the Study | 第22页 |
| ·Outline of This Thesis | 第22-24页 |
| Chapter Two LITERATURE REVIEW | 第24-43页 |
| ·Introduction | 第24页 |
| ·Basic Concepts | 第24-31页 |
| ·Vowels | 第24-25页 |
| ·Classification of Vowels | 第25页 |
| ·Monophthongs | 第25-29页 |
| ·Definition | 第25-26页 |
| ·Phonetic Features | 第26-28页 |
| ·Acoustic Representations | 第28-29页 |
| ·Diphthongs | 第29-31页 |
| ·Definition and Introduction | 第29页 |
| ·Phonetic Features | 第29-31页 |
| ·Acoustic Representations | 第31页 |
| ·Related Theoretical Studies | 第31-38页 |
| ·Contrastive Analysis Hypothesis | 第32-33页 |
| ·First Language Transfer and Second Language Acquisition | 第33-34页 |
| ·Second Language Phonology | 第34-37页 |
| ·Second Language Phonological Acquisition | 第37-38页 |
| ·Empirical Studies on Acquisition of L2 Phonology | 第38-42页 |
| ·English Phonological Acquisition by Non-Chinese Speakers | 第38-40页 |
| ·English Phonological Acquisition by Chinese EFL Learners | 第40-41页 |
| ·Findings and Problems of Previous Studies | 第41-42页 |
| ·Focus of the Present Study | 第42-43页 |
| Chapter Three METHODOLOGY | 第43-52页 |
| ·Introduction | 第43页 |
| ·Research Questions | 第43-44页 |
| ·Research Design | 第44-51页 |
| ·Subjects | 第44-46页 |
| ·Instruments | 第46页 |
| ·Treatments | 第46-47页 |
| ·Data Collection | 第47-48页 |
| ·Data Analysis | 第48-51页 |
| ·Summary | 第51-52页 |
| Chapter Four FINDINGS AND DISCUSSIONS | 第52-87页 |
| ·Introduction | 第52页 |
| ·Overall Acquisition of English Vowels by CEFLLs | 第52-58页 |
| ·Intelligibility Rate of English Vowels by CEFLLs | 第53-58页 |
| ·Acoustic Features of English Vowels by CEFLLs | 第58-86页 |
| ·The Acoustic Features of English MonoPhthongs by Male/Female CEFLLS | 第58-76页 |
| ·Distribution Pattern of Their English Monophthongs | 第59-74页 |
| ·Duration Pattern of Their English Monophthongs | 第74-76页 |
| ·Acoustic Features of English diphthongs by Male/Female CEFLS | 第76-86页 |
| ·Duration Pattern of Their English Diphthongs | 第77-79页 |
| ·Formational Features of Their English Diphthongs | 第79-86页 |
| ·Summary | 第86-87页 |
| Chapter Five CONCLUSIONS | 第87-92页 |
| ·Major Findings | 第87-88页 |
| ·Implications | 第88-90页 |
| ·Theoretical Implications | 第88-89页 |
| ·Pedagogical Implications | 第89-90页 |
| ·Limitations of the Study and Suggestions for Future Research | 第90-92页 |
| ·Limitations of the Present Study | 第90页 |
| ·Suggestions for Future Research | 第90-92页 |
| REFERENCES | 第92-97页 |
| APPENDIX Ⅰ | 第97-98页 |
| APPENDIX Ⅱ | 第98-99页 |
| APPENDIX Ⅲ | 第99-100页 |
| APPENDIX Ⅳ | 第100页 |
