文摘
英文文摘
论文说明:List of Figures、List of Tables、List of appendix
声明
Literature Review
Chapter 1 Introduction
Chapter 2 Perception of American tense /I/ and lax /I/
Chapter 3 Discrimination of American tense /I/, lax /I/, and Mandarin /I/
Chapter 4 Conclusion
References
Appendix
Acknowledgements