1.生师互学。课堂教学是一个动态生成的过程,尽管教师在课前作了精心的设计和准备,但在具体的课堂教学中,由于受到各种因素的影响,经常会发生一些偶发事件,此时,需要生师共同研究、学习。例如:在学习射线时,教师请学生举一些生活中的例子,生1:手电筒射出的光。生2:太阳射出来的光线。生3:头发是 1. Students to learn each other. Classroom teaching is a dynamically generated process. Although teachers make meticulous design and preparation before class, in specific classroom teaching, due to various factors, some occasional events often occur. In this case, Study together and study together. For example, when learning a ray, the teacher invites students to give some examples of life. Student 1: Light emitted by a flashlight. Health 2: The sun’s rays come out. Health 3: hair is