本文通过展示课堂教学课例，问卷调查与受培训教师访谈等方式，进行研究。
Inspired by case study method, this paper focuses on a study on a lesson-based case approach for in-service teacher development.
访谈的目的是调查教师对课外教学的态度和单纯的课堂教学效果。
The interviews aims at finding out the teachers' attitudes towards extracurricular teaching and the efficiency of the classroom teaching.
问卷和访谈结果表明：教师和学生对英语听说课使用影视片持肯定态度。
The result showed that both the teachers and students had positive attitudes towards teaching listening and speaking with videos.
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