| Acknowledgements | 第1-4页 |
| Abstract in Chinese | 第4-6页 |
| Abstract in English | 第6-11页 |
| Ⅰ． Introduction | 第11-22页 |
| 1．1 Historical Survey of Vocabulary Acquisition Research | 第11-18页 |
| 1．1．1 Research Domain | 第11-12页 |
| 1．1．2 Research Into L2 Vocabulary Acquisition | 第12-14页 |
| 1．1．3 Research Into Incidental L2 Vocabulary Acquisition | 第14-15页 |
| 1．1．4 Krashen's Contributions | 第15-17页 |
| 1．1．5 Issues Needed to be Further Addressed | 第17-18页 |
| 1．2 An Overview of the Present Research | 第18-22页 |
| 1．2．1 Terms Used in the Research | 第18-19页 |
| 1．2．2 Origin of the Research | 第19-20页 |
| 1．2．3 Targets of the Research | 第20-21页 |
| 1．2．4 Method Used in the Research | 第21-22页 |
| Ⅱ． Experiment | 第22-49页 |
| 2．1 Subjects of the Experiment | 第22页 |
| 2．2 Preparation of the Experimental Material | 第22-45页 |
| 2．2．1 Selection of the Materials | 第22-41页 |
| 2．2．1．1 Principles for Materials Selection | 第23-25页 |
| 2．2．1．2 Procedure of Materials Selection | 第25-32页 |
| 2．2．1．3 Execution of Materials Selection | 第32-41页 |
| 2．2．2 Explanation for the Materials | 第41-45页 |
| 2．2．2．1 Introduction to the Reading Passage | 第41-43页 |
| 2．2．2．2 Preparation of New Word Knowledge for Intensive Learning | 第43-45页 |
| 2．3 Organization of the Experiment | 第45-46页 |
| 2．4 Evaluation of Learning Achievements | 第46-49页 |
| 2．4．1 Testing Method | 第46-47页 |
| 2．4．2 Scoring Standard | 第47-49页 |
| Ⅲ． Experimental Results And Statistical Analysis | 第49-63页 |
| 3．1 Global Analysis | 第49-57页 |
| 3．1．1 Analysis on Acquisition Results | 第49-51页 |
| 3．1．2 Analysis on Result Difference Between Two Input Means | 第51-52页 |
| 3．1．3 Analysis on Word Knowledge Retention | 第52-57页 |
| 3．1．3．1 Analysis According to Two Sets | 第53-54页 |
| 3．1．3．2 Analysis According to Groups | 第54-57页 |
| 3．2 Specific Analysis | 第57-63页 |
| 3．2．1 Analysis on Learning Effect of Subjects With Different Levels | 第57-60页 |
| 3．2．2 Analysis on Learning Effect of Words With Different Parts of Speech | 第60-63页 |
| Ⅳ． Evaluation | 第63-72页 |
| 4．1 Global Evaluation | 第63-66页 |
| 4．1．1 Evaluation on the Acquisition Results | 第63-64页 |
| 4．1．2 Evaluation on the Results Difference Between Two Input Means | 第64页 |
| 4．1．3 Evaluation on Word Knowledge Retention | 第64-66页 |
| 4．2 Specific Evaluation | 第66-72页 |
| 4．2．1 Evaluation on Students With Different Levels | 第66-68页 |
| 4．2．2 Evaluation on Words With Different Parts of Speech | 第68-72页 |
| Ⅴ． Conclusion and Implication | 第72-76页 |
| 5．1 Conclusion | 第72-74页 |
| 5．2 Implication | 第74-75页 |
| 5．3 Problems to be Further Addressed | 第75-76页 |
| Bibliography | 第76-80页 |
| Appendix 1 | 第80-81页 |
| Appendix 2 | 第81页 |
| Appendix 3 | 第81-82页 |
| Appendix 4 | 第82-84页 |
| Appendix 5 | 第84-85页 |
| Appendix 6 | 第85-88页 |
| Appendix 7 | 第88-89页 |
| Appendix 8 | 第89-91页 |
| Appendix 9 | 第91-93页 |
| Appendix 10 | 第93-96页 |
