| 摘要 | 第1-6页 |
| ABSTRACT | 第6-12页 |
| Chapter I Introduction | 第12-21页 |
| ·Background of the present study | 第12-16页 |
| ·Bilingualism in Inner Mongolia | 第12-13页 |
| ·Bilingual education in Inner Mongolia | 第13-14页 |
| ·EFLin Inner Mongolia | 第14-16页 |
| ·Current problem of the present study | 第16-17页 |
| ·The purpose and significance of the present study | 第17-19页 |
| ·The significance of the present study | 第17-18页 |
| ·The objectives of the present study | 第18-19页 |
| ·An outline of the present study | 第19-21页 |
| Chapter II Literature review | 第21-32页 |
| ·The definition of the key terms | 第21-23页 |
| ·Second language acquisition | 第21-22页 |
| ·Third Language Acquisition | 第22页 |
| ·Cross-linguistic influence | 第22-23页 |
| ·Cross-linguistic influence in SLA | 第23-24页 |
| ·Language transfer in SLA and TLA | 第24-27页 |
| ·The concept of language transfer | 第24-25页 |
| ·Influencing Factors in Language Transfer | 第25-27页 |
| ·Constraints on cross-linguistic influence in TLA | 第27-28页 |
| ·Language distance | 第27页 |
| ·Language proficiency | 第27-28页 |
| ·Recency of use | 第28页 |
| ·Researches on third language acquisition abroad | 第28-30页 |
| ·Researches on TLA at home | 第30-32页 |
| Chapter III Contrastive Analysis on the Pure Vowels of Mongolian Language and English | 第32-40页 |
| ·The description of vowels in Mongolian language and English | 第32-33页 |
| ·An introduction of pure vowels in English | 第33-35页 |
| ·An introduction of pure vowels in Mongolian language | 第35-37页 |
| ·Contrastive Analysis on the Pure Vowel System of Mongolian language and English | 第37-40页 |
| Chapter IV Methodology | 第40-46页 |
| ·Research design | 第40-41页 |
| ·Subjects | 第41-42页 |
| ·Instrument | 第42-44页 |
| ·Phoneme discrimination test on English pure Vowels | 第42页 |
| ·Questionnaire | 第42-43页 |
| ·Follow-up Interview | 第43-44页 |
| ·Data Collection Procedures | 第44-46页 |
| Chapter V Results and Discussion | 第46-62页 |
| ·Results of the resent study | 第46-58页 |
| ·Results from the Phoneme Discrimination Test on English Pure Vowels | 第46-53页 |
| ·Results from the Language Background Questionnaire | 第53-56页 |
| ·Results from the Follow-up Interview | 第56-58页 |
| ·Discussion about the present study | 第58-62页 |
| ·Discussion about correlation between Mongolian students' proficiency in Mongolian pure vowels and English pure vowels | 第58-60页 |
| ·Discussion about the regional differences between Mongolian students from western and eastern part of Inner Mongolia in English pure vowel | 第60-62页 |
| Chapter VI Conclusion | 第62-67页 |
| ·Major findings | 第62-63页 |
| ·Implications | 第63-64页 |
| ·Limitations of the study | 第64页 |
| ·Recommendations for future study | 第64-65页 |
| ·Conclusion | 第65-67页 |
| Bibliography | 第67-69页 |
| Appendix I | 第69-72页 |
| Appendix II | 第72-74页 |
| Acknowledgements | 第74-75页 |
| Publications during the postgraduate program | 第75页 |