| Abstract in English | 第10-11页 |
| Abstract in Chinese | 第12-14页 |
| Chapter 1 Introduction | 第14-17页 |
| 1.1 Research Background | 第14-15页 |
| 1.2 Research Purpose and Significance | 第15-16页 |
| 1.3 Overall Structure of the Thesis | 第16-17页 |
| Chapter 2 Literature Review | 第17-32页 |
| 2.1 Phonetic Knowledge | 第17-21页 |
| 2.1.1 The Difference of Vowels between Shandong Dialect and American English | 第17-19页 |
| 2.1.2 Acoustic Phonetics of Vowel | 第19-21页 |
| 2.2 Related Theoretical Studies | 第21-24页 |
| 2.2.1 Language Transfer | 第21-23页 |
| 2.2.2 Contrastive Analysis Hypothesis | 第23页 |
| 2.2.3 Interlanguage Hypothesis | 第23-24页 |
| 2.3 A Brief Review of Previous Studies | 第24-31页 |
| 2.3.1 Previous Studies at Home | 第24-28页 |
| 2.3.2 Previous Studies Abroad | 第28-31页 |
| 2.4 Summary | 第31-32页 |
| Chapter 3 Research Methodology | 第32-41页 |
| 3.1 Research Questions | 第32页 |
| 3.2 Participants | 第32-33页 |
| 3.3 Instruments | 第33-34页 |
| 3.4 Data Collection | 第34-37页 |
| 3.4.1 Speech Corpus | 第34-35页 |
| 3.4.2 Recording Procedures | 第35-36页 |
| 3.4.3 Selected Materials | 第36-37页 |
| 3.5 Data Analysis | 第37-39页 |
| 3.6 Summary | 第39-41页 |
| Chapter 4 Results and Discussion | 第41-63页 |
| 4.1 Acoustic Analysis of Vowels | 第41-52页 |
| 4.1.1 Acoustic Differences between East District of Wei and American Speakers | 第42-45页 |
| 4.1.2 Acoustic Differences between East District of Lai and American Speakers | 第45-47页 |
| 4.1.3 Acoustic Differences between West District of Lu and American Speakers | 第47-50页 |
| 4.1.4 Acoustic Differences between West District of Qi and American Speakers | 第50-52页 |
| 4.2 The Similarities and Differences on the Acquisition of the Target Vowels by ShandongSpeakers | 第52-53页 |
| 4.3 Positive and Negative Transfer from Shandong Dialect | 第53-61页 |
| 4.3.1 The Difference of the Vowel Inventory between Shandong Dialect and AmericanEnglish | 第54-55页 |
| 4.3.2 The Influence of /i/ and /ε/ in SD Dialect on the Acquisition of English Vowels | 第55-61页 |
| 4.4 Summary | 第61-63页 |
| Chapter 5 Conclusion | 第63-67页 |
| 5.1 Major Findings of the Study | 第63-64页 |
| 5.2 Implications of the Study | 第64-65页 |
| 5.3 Limitations of the Study | 第65页 |
| 5.4 Suggestions | 第65-67页 |
| Bibliography | 第67-73页 |
| Acknowledgements | 第73-74页 |
| Main Works and Achievements | 第74页 |
