Abstract4-5
摘要5-6
Table of Content6-8
1 Introduction8-10
1.1 Research Background8
1.2 Research Questions8
1.3 Significance of the Present Research8-10
2 Literature Review10-21
2.1 Language Traner10-14
2.1.1 Definition of Language Traner10-11
2.1.2 Manifestations of Traner11-12
2.1.3 Linguistic Classifications of Language Traner12-14
2.2 Third Language Acquisition14-15
2.2.1 Definition of Third Language Acquisition14
2.2.2 Features of Third Language Acquisition14-15
2.3 Related Studies on Language Traner15-20
2.3.1 Major Studies in China15-17
2.3.2 Major Studies Abroad17-20
2.4 Summary20-21
3 Research Methodology21-24
3.1 Objectives21
3.2 Subjects21-22
3.3 Instruments22-23
3.4 Data Collection23-24
4 Data Analysis24-39
4.1 Error Analysis of the Writing Assignment24-32
4.2 Analysis of the Questionnaire32-37
4.3 Analysis of Group Interview Questions37-39
5 Conclusions39-42
5.1 Summary of the Major Findings39-40
5.2 Imppcations of the Study40
5.3 Limitations and Further Studies40-42
Bibpography42-45
Appendix45-50
Acknowledgement50