近二十年来，课堂纠正性反馈是二语习得研究领域的一个热门话题。

The study of corrective feedback in classrooms has been a hot point in the field of SLA in the recent decades.

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在二语习得研究成果的基础上，任务型教学将任务引入课堂，丰富了课堂语言输入，使得语言输入更为有效。

Task-based language teaching, on the basis of the above study result, introduces task into classroom teaching, so as to enrich input language and make language output more effective.

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摘要：随着近年二语习得理论的研究和英语教学规律的探索，音乐歌曲作为一种教学手段越来越多地运用于英语课堂。

Abstract: With recent researches on SL acquisition theory and English teaching techniques, singing is being more and more widely used in the English classroom.

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