Chapter 1 Introduction
1.1 Research Background
1.1.1 Significance of Vocabulary Acquisition
1.1.2 Necessity of Present Study
1.1.3 Research of L2 Vocabulary Acquisition
1.2 Organization of This Thesis
Chapter 2 Literatare Review
2.1 Introduction
2.2 Previous Studies on Vocabulary Knowledge and
Development
2.2.1 Research into Word Knowledge Type by
Richards
2.2.2 Nation's Framework of Word Knowledge
2.2.3 Laufer's Framework
2.2.4 Other Related Frameworks

Chapter 1 Introduction
1.1 Research Background
1.1.1 Significance of Vocabulary Acquisition
1.1.2 Necessity of Present Study
1.1.3 Research of L2 Vocabulary Acquisition
1.2 Organization of This Thesis
Chapter 2 Literatare Review
2.1 Introduction
2.2 Previous Studies on Vocabulary Knowledge and
Development
2.2.1 Research into Word Knowledge Type by
Richards
2.2.2 Nation's Framework of Word Knowledge
2.2.3 Laufer's Framework
2.2.4 Other Related Frameworks
2.2.5 Related Study in China on Vocabulary
Knowledge
2.2.6 Summaries and Conclusions
2.3 Previous Studies on Vocabulary Knowledge
Assessment
2.3.1 Terminological Definitions in Measuring
Vocabulary Acquisition
2.3.2 Assessing the Breadth of Vocabulary
Knowledge
2.3.3 Tests for Depth of Vocabulary Knowledge
Measurement
2.3.4 Summaries and Conclusions
2.4 Incidental and Intentional Learning
2.4.1 Introduction
2.4.2 Definition of Ineidental Vocabulary
Learning
2.4.3 Specific Ways of Ineidental Vocabulary
Learning
2.4.4 Ineidental Voeabulary Learning Through.
Extensive Reading
2.5 Intentional Vocabulary Learning
2.5.1 Definition of Intentional Vocabulary
Learning
2.5.2 Specific Ways of Intentional Vocabulary
Learning
2.6 Balance of Incidental Vocabulary Learning and
Intentional Vocabulary Learning
2.7 Review on Word Meaning and Context
2.7.1 The Definition of Context
2.7.2 The Classification of Context
2.7.3 Functions of Context
2.7.4 Audio-Visual Context
2.7.5 Intentional Vocabulary Leaning in Audio-
Visual Context
2.7.6 Summaries and Conelusions
Chapter 3 Empirical Study I
Chapter 4 Statistic Analysis and Evaluation of Experiment I
Chapter 5 Empirical Study II
Chapter 6 Statistic Analysis and Evaluation of Experiment II
Chapter 7 Conclusion of Experiment II
Appendix
Bibliography