Second Language Acquisition. Chapter 1 Introduction. Preliminary. (1)Why study the course?. (1) About SLA/L2A 1) definition : the study of how people learn a language other than their mother tongue. 2)a multidisciplinary field:
1)definition: the study of how people learn a language other than their mother tongue.
2)a multidisciplinary field:
related with linguistics, psychology, sociology, etc.
① how L2s are learnt;
② how learners create a new lg. sys;
③ What is learnt of an L2 and what is not learnt;
④ Why most L2 learners do not achieve the same degree of proficiency in an L2 as they do in their L1;
⑤ Why only some learners appear to achieve native-like proficiency in more than one lg.
1.describe how learners learn an L2 and how their language changes over time;
2.explain why learners acquire an L2 in the way they do; identify the external and internal factors that influence learners’ L2A
5) objects of study:
1. external and internal factors that influence L2A;
2. similarities among learners and their individual differences in LA.
1．L1, native language, mother tongue, primary language
2．L2 vs. FL
exercise: raise the countries in which English is spoken as an L2 or FL
5．LA vs. LL
3.Ellis, Rod. 1997, 《第二语言习得》，上海外语教育出版社。
4.Lightbown, P. M. & Nina Spada. 1999,《语言学习机制》，上海外语教育出版社。