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本教学内容选自深圳市电化教育馆编著的中小学教科书“信息技术”初二年级上册。本课属于第二章“文本和声音的采集与加工”中的第二节“声音素材的采集与加工”中的第二课时。在前一课时中,学生已经学习了声音素材的采集与简单加工,本课的主要内容是利用上节课所学的知识来解决一些生活实际中的问题,通过探究性活动完善自主学习的能力和信息技术的综合实践能力,同
The teaching content is selected from the Shenzhen Municipal Education Library compiled primary and secondary school textbooks “Information Technology ” Grade two volumes. This lesson belongs to the second chapter of Chapter 2, “Collection and Processing of Text and Sound”, Section 2, “Collection and Processing of Sound Materials”. In the previous lesson, students have learned the collection and simple processing of sound materials. The main content of this course is to use the knowledge gained in the previous class to solve some problems in life and to improve the ability of self-learning by exploring sexual activities And information technology, comprehensive practical ability, with