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一、结合实际、谈话引入新课【教师演示】老师用手拽着溜溜球绳子的一端,将溜溜球甩起来。【谈话引入】你玩过这个游戏吗?大家从这个游戏中看到了什么?
First, with the actual conversation into a new lesson Teacher Demonstration】 【teacher hand drag yo-yo rope end, the yo-yo will be thrown. 【Conversation】 Have you played this game? What do you see from this game?