一、积极为学生提供思维活动所需要的科学素材在每节课的教学过程中，课堂提问是不可缺少的环节之一。巧妙而有效的提问能激发学生的兴趣，启迪学生的思维，培养学生的能力。为此教师要给学生提供思维活动的素材，让学生具备一定的感性认识，才能激发他们积极思考。如在讲“大 First, to actively provide students with the scientific materials needed for thinking activities In each teaching process, questioning in class is one of the indispensable aspects. Ingenious and effective questions can stimulate students’ interest, inspire students’ thinking, and cultivate students’ abilities. To this end, teachers should provide students with materials for thinking activities, so that students have a certain degree of perceptual knowledge in order to stimulate them to think positively. Such as saying "big