问题设置是课堂教学的重要环节。课堂教学中教师设置的教学问题是刺激学生积极思维的诱因,是鼓舞学生追根求源、掌握知识真谛的动力。因此,教师设置问题时,应寻找与选择问题设置的最佳切入点,从多方面启迪学生的思维,引导学生一步步跨入知识的殿堂。对此,笔者在生物学教学 Problem setting is an important part of classroom teaching. The teaching problems set by teachers in classroom teaching are incentives to stimulate students’ positive thinking, and they are the motivation to encourage students to follow the roots and grasp the true meaning of knowledge. Therefore, when teachers set up problems, they should look for the best entry point for setting questions, inspire students’ thinking from many aspects, and guide students to step into the halls of knowledge. In this regard, the author teaches in biology