| Acknowledgements | 第5-6页 |
| Abstract | 第6页 |
| （English） | 第6页 |
| （摘要） | 第8-10页 |
| 1． Introduction | 第10-15页 |
| 1．1 An overview of the fossilization literature | 第10-13页 |
| 1．2 The clarification about some terms in this paper | 第13-15页 |
| 2． Fossilization vs． Stabilization | 第15-20页 |
| 2．1 The definition of fossilization | 第15-16页 |
| 2．2 The definition of stabilization | 第16页 |
| 2．3 The distinction between fossilization and stabilization, and their relationship | 第16-17页 |
| 2．4 Stabilization and fossilization in language acquisition | 第17-20页 |
| 3． The Varieties of Fossilization And Their Causes | 第20-31页 |
| 3．1 Voluntary fossilization | 第21-27页 |
| 3．1．1 Fossilization out of instrumental motivation | 第21-23页 |
| 3．1．2 Fossilization out of social factors | 第23-26页 |
| 3．1．3 Fossilization out of psychological factor----the learner's negative kind of anxiety about the second language | 第26-27页 |
| 3．2 Involuntary fossilization | 第27-31页 |
| 3．2．1 Fossilization out of physical disability in second language acquisition | 第27-29页 |
| 3．2．2 Fossilization out of lack of exposure to the target language | 第29-31页 |
| 4． Stabilization in Second Language Acquisition The longitudinal Study | 第31-47页 |
| 4．1 Stabilization caused by language input | 第37-39页 |
| 4．1．1 Input content | 第38页 |
| 4．1．2 Input amount | 第38-39页 |
| 4．2 Stabilization caused by the learner's affective state | 第39-40页 |
| 4．3 Stabilization caused by first language transfer | 第40-42页 |
| 4．4 Stabilization caused by the learner's cognitive strategies | 第42-44页 |
| 4．5 Stabilization caused by the learner's inappropriate language output | 第44-47页 |
| 5． Conclusion | 第47-49页 |
| Appendix | 第49-52页 |
| Bibliography | 第52页 |
