充分发挥教师话语在二语习得课堂上的作用

教师话语作为课堂教学的主要语言输入和教学媒介，对学习者习得第二语言起着重要的作用，是研究外语教学的一个理想途径。现代外语教学理论认为，教师应尽量延长学生话语时间，缩短教师话语时间，为学习者创造一种交流信息、表达思想的环境和机会。但是，当前的情况是，教师话语占的课堂时间太多，板书太多，教师与学生的话语交流往往局限于问答形式，使得学生语言交际能力得不到有效培养。为此，应全面提高教师话语水平，使之掌握恰当的提问技巧，以学生为中心，以交际为目的，转变教师的课堂角色，充分发挥教师话语在二语习得课堂上的作用。

Make Full Use of Teacher Talk in Second Language Acquisition Classes

Being main teaching media and major source of comprehensive target language input, teacher talk plays an important role in learner's second-language acquisition,which is an ideal way to study and improve foreign language teaching. In order to use teacher talk better , this paper analyzes the features and the present sate of teacher talk, finding some problems in present teacher talk. It then suggests some improvements of teacher talk from teaching idea to class teaching practice attending to find the way to make full use of teacher talk.