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片断1:从学生熟悉的生活情境中引入和认识速度,理解并会读写“时速”后,让学生欣赏并体验教材中情境图上所提供的材料。
Piece 1: Students are familiar with the introduction of life and understanding of the speed of understanding, and will read and write “Speed ”, let students appreciate and experience the text material on the situation map.