外语课堂互动中的支架作用

英语课堂教学研究着眼于课堂互动与语言输入、输出，旨在了解课堂互动是否有利于学生掌握语言，以便改进课堂教学效果。实践证明：在“输入”和“输出”之间起桥梁作用的是课堂互动。通过师生互动、学生互动等形式，使课堂成为交际的场所，可有效提高教学质量。但有效、成功的互动必须借助支架，恰当的支架可以使互动更具有可操作性，可以为互动创造和谐的环境。

The Role of Scaffold in English Classroom Interaction

The study of English classroom teaching is focused on classroom interaction,input and output with the purpose of finding out whether classroom interaction can be helpful for students to master the hnguage, so that teachers can improve classroom teaching effectiveness.Practice shows that the bridge between input and output is classroom interaction,and classroom can be made a place of communication through teacher- student interaction and student- student interaction, so that classroom teaching effectiveness can be improved. But effective and successful interaction should be achieved in the help of scaffold. Proper scaffold make interaction more practicable and create good conditions for interaction.