一、首轮试教“显”问题笔者曾在一次多轮教研活动中执教公开课《篮球:持球交叉步突破》,第一次课的设计思路是:在课的准备部分,教师拿篮球绕圈跑,结合“数脚丫”游戏大声喊口号,目的是提高学生的兴奋性,达到热身效果,为基本部分打下基础;在课的基本部分,教师采用的练习是安排学生四路纵队分别站在两条端线后面,在练习的 First, the first round of teaching “significant ” problem I had a multi-round teaching and research activities in the open class “basketball: ball-step cross-breakthrough”, the first lesson design ideas are: in the preparatory part of the class, the teacher Take the basketball run around the circle, combined with the “number of feet ” game shouting slogans, the purpose is to enhance the excitement of students, to achieve the warm-up effect, lay the foundation for the basic part; in the basic part of the lesson, teachers practice is to arrange students Four columns stand behind two end lines, respectively, in practice