| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-14页 |
| Chapter 1 Introduction | 第14-18页 |
| 1.1 Introduction | 第14页 |
| 1.2 Background of the study | 第14-15页 |
| 1.3 Purpose of the study | 第15页 |
| 1.4 Significance of the study | 第15-16页 |
| 1.5 Focus of the study | 第16页 |
| 1.6 The structure of the thesis | 第16-17页 |
| 1.7 Summary | 第17-18页 |
| Chapter 2 Literature Review | 第18-25页 |
| 2.1 Introduction | 第18页 |
| 2.2 Some basic concepts related to the study | 第18-19页 |
| 2.2.1 Ethnic group | 第18页 |
| 2.2.2 Multilingualism | 第18-19页 |
| 2.2.3 Language contact | 第19页 |
| 2.3 Studies on language use | 第19页 |
| 2.4 Studies on language competence | 第19-20页 |
| 2.5 Studies on language attitude | 第20-21页 |
| 2.6 Studies on language contact | 第21-23页 |
| 2.7 Studies on the correlation among language use, language competence andlanguage attitude | 第23-24页 |
| 2.8 Summary | 第24-25页 |
| Chapter 3 Research Methodology | 第25-30页 |
| 3.1 Introduction | 第25页 |
| 3.2 Research methods | 第25页 |
| 3.3 Research questions | 第25-26页 |
| 3.4 Subjects of the study | 第26-29页 |
| 3.5 Instruments of the study | 第29页 |
| 3.6 Research procedure | 第29页 |
| 3.7 Summary | 第29-30页 |
| Chapter4 Results and Discussions | 第30-50页 |
| 4.1 Introduction | 第30页 |
| 4.2 The current situation of ethnic students’ native language use under thebackground of language contact | 第30-36页 |
| 4.2.1 Language use in family | 第30-31页 |
| 4.2.2 Language use to different social groups | 第31-32页 |
| 4.2.3 Language use on different social occasions | 第32-33页 |
| 4.2.4 Language use when using multimedia | 第33-34页 |
| 4.2.5 Language use when reading and writing | 第34-36页 |
| 4.3 The current situation of ethnic students’ native language competence underthe background of language contact | 第36-40页 |
| 4.3.1 Ethnic students’ listening competence of native language | 第36-37页 |
| 4.3.2 Ethnic students’ speaking competence of native language | 第37-38页 |
| 4.3.3 Ethnic students’ reading competence of native language | 第38页 |
| 4.3.4 Ethnic students’ writing competence of native language | 第38-40页 |
| 4.4 The current situation of ethnic students’ native language attitude under thebackground of language contact | 第40-45页 |
| 4.4.1 Affective attitude of ethnic students towards native language | 第41-43页 |
| 4.4.2 Cognitive attitude of ethnic students towards native language | 第43-45页 |
| 4.5 The correlations among native language use, native language competence andnative language attitude | 第45-49页 |
| 4.5.1 Correlation between native language use and native language attitude32 | 第45-47页 |
| 4.5.2 Correlation between native language competence and native languageattitude | 第47-48页 |
| 4.5.3 Correlation between native language competence and native languageuse | 第48-49页 |
| 4.6 Summary | 第49-50页 |
| Chapter 5 Conclusion | 第50-54页 |
| 5.1 Introduction | 第50页 |
| 5.2 Major findings of the study | 第50-51页 |
| 5.3 Implications of the study | 第51-52页 |
| 5.4 Limitations of the study and suggestions for further studies | 第52-53页 |
| 5.5 Summary | 第53-54页 |
| References | 第54-58页 |
| Appendix A | 第58-62页 |
| Publications | 第62页 |
