第二语言习得入门全册配套PPT教学课件.pptx

Unit 1Introducing Second Language AcquisitionUnit PreviewUnit topic focus:?definition of second language acquisitionaims of second language acquisitionareas of second language acquisitionhistory of second language acquisitionPre-learning Tasks: 1. When do you begin to learn a foreign language? Do you feel it difficult or easy to learn a language as a child or adult? Why??2. Why are you motivated to learn a foreign language??A. To learn it for fun ?B. To meet school requirements C. To improve personal quality and ability?D. To go abroad3. Combine web search with your own examples of learning in a PowerPoint presentation to show your experience and understanding of how to learn a foreign language well. 1.1 What is Second Language Acquisition? Second language acquisition (SLA), is the processes by which people learn languages in addition to their native tongue(s) (Johnson Johnson 1998). ? As one of the most important branches of applied linguistics, second language acquisition is a scientific discipline with a system of theories and practice.1.1 What is Second Language Acquisition?Its nature can be well understood from the following characteristics (Wang, 2000).Second language acquisition is an independent field in its own right.Second language acquisition is an interdisciplinary discipline in that it not only draws upon theories from a single science, but from several sciences such as sociology and psychology. 1.1 What is Second Language Acquisition?3. Second language acquisition is an applied science. Its objective is to solve practical problems in language learning4. Second language acquisition is an empirical science. Like natural sciences, it uses experiments and quantitative or qualitative data for language research.1.2 Why is Second Language Acquisition Important? When we learn a second/foreign language, it is very important and necessary to understand the learner and learning. There are at least two reasons to investigate second language acquisition.To un