| ACKNOWLEDGEMENTS | 第5-6页 |
| abstract | 第6-7页 |
| 摘要 | 第8-12页 |
| CHAPTER Ⅰ INTRODUCTION | 第12-16页 |
| 1.1 Research Background | 第12-13页 |
| 1.2 Research Purpose and Significance | 第13-16页 |
| CHAPTER Ⅱ LITERATURE REVIEW | 第16-32页 |
| 2.1 Definitions of the Relevant Concepts | 第16-17页 |
| 2.1.1 Students with low learning proficiency | 第16页 |
| 2.1.2 Students with low English learning proficiency | 第16-17页 |
| 2.2 Relevant Studies | 第17-27页 |
| 2.2.1 Relevant studies of students with low learning proficiency | 第18-22页 |
| 2.2.2 Relevant studies of students with low foreign language learning proficiency | 第22-25页 |
| 2.2.3 A review of the relevant studies | 第25-27页 |
| 2.3 Theoretical Bases | 第27-32页 |
| 2.3.1 Individual differences in second language acquisition | 第27-29页 |
| 2.3.2 Krashen’s Input hypothesis and Affective Filter hypothesis | 第29-32页 |
| CHAPTER Ⅲ RESEARCH DESIGN | 第32-37页 |
| 3.1 Research Questions | 第32页 |
| 3.2 Participants | 第32-33页 |
| 3.3 Research Methods | 第33-35页 |
| 3.3.1 Questionnaire survey | 第33-34页 |
| 3.3.2 Interview | 第34-35页 |
| 3.4 Research Procedures | 第35-37页 |
| CHAPTER Ⅳ RESULTS AND DISCUSSION | 第37-63页 |
| 4.1 Results and Analysis of Questionnaire | 第37-48页 |
| 4.1.1 Learning motivation of students with low English learning proficiency | 第37-40页 |
| 4.1.2 Learning strategies used by students with low English learning proficiency | 第40-44页 |
| 4.1.3 Psychological status of students with low English learning proficiency | 第44-46页 |
| 4.1.4 Teachers’ factors and family factors related to students with low English learning proficiency | 第46-48页 |
| 4.2 Results and Analysis of Interviews | 第48-54页 |
| 4.3 Causes Leading to Students with Low English Learning Proficiency | 第54-60页 |
| 4.3.1 Insufficient learning motivation | 第54-55页 |
| 4.3.2 Incorrect learning strategies | 第55-57页 |
| 4.3.3 Improper psychological status | 第57-59页 |
| 4.3.4 Teachers’ factors | 第59页 |
| 4.3.5 Family factors | 第59-60页 |
| 4.4 Suggestions | 第60-63页 |
| CHAPTER Ⅴ CONCLUSION | 第63-66页 |
| REFERENCES | 第66-70页 |
| APPENDICES | 第70-80页 |
| Appendix Ⅰ | 第70-75页 |
| Appendix Ⅱ | 第75-76页 |
| Appendix Ⅲ | 第76-80页 |
