“同学们,通过刚才的学习,你们一定对鱼类的主要特征有了一定的了解,那么接下来,让我们再一起来看看鱼类中的两大类群——淡水鱼和海水鱼。”这本来是一节很普通的课,学生在完成了预定的教学目标后,我想通过人们用鲨鱼鳍做鱼翅的话题,对学生进行爱护动物、珍爱生命的教育。没想到的 “My classmates, through your study, you must have some idea of ​​the main characteristics of fish. Then let’s take a closer look at the two major groups of fish - freshwater fish and marine fish. ”This was a very common lesson. After the students finished their intended teaching goal, I wanted to educate them to cherish their animals and cherish their lives through the topic of making shark fins with shark fins. Unexpectedly