我们常说,在教学中,要拓宽学生的思维,避免学生思维定势。所谓思维定势,是指由于先前的活动而造成的心理活动的一种准备状态,使人在解决问题时带有一种倾向性。这种倾向性容易影响人对问题情境以某种习惯的方式进行反应。而思维定势对解决问题有消极作用,也有积极作用。在一堂课里,教师在挖掘教材的基础上,有计划 We often say that in teaching, we should broaden students' thinking and avoid thinking of students. The so-called mindset refers to a state of preparedness for mental activity due to previous activities, which gives people a tendency to solve problems. This tendency tends to affect people's reaction to the problem situation in a habitual way. The thinking of the situation to solve the problem has a negative effect, but also a positive role. In a class, teachers dig in the textbook, based on the plan