一、现状与问题讲解与示范的组合方式是指二者结合运用时的时间结构,即二者出现的先后顺序。显而易见,讲解与示范可能的组合方式只有三种,即先示范后讲解、先讲解后示范和边讲解边示范。据观察,平时体育教师在教学活动中 First, the status quo and the problem The combination of presentation and demonstration refers to the time structure when the two are used in combination, that is, the order of appearance of the two. Obviously, there are only three possible combinations of explanations and demonstrations. They are the first demonstration, the first demonstration, and the demonstration. It has been observed that in general, physical education teachers are teaching activities