创设问题情境,引发认知冲突是培养学生思维能力的一种有效途径,也是新课程标准大力提倡的学习方式,即问题解决式学习法。“问题情境”题是配合这一学习方式编拟的新型题,它能最大程度地激发学生强烈的问题意识和探求动机,促进学生积极思考,独立求解,有利于思维能力向深层次方向发 Creating problem situations and triggering cognition conflicts are an effective way to cultivate students’ thinking ability. They are also learning methods that are strongly advocated by the new curriculum standards, namely problem solving learning methods. The “problem situation” question is a new type of question that is formulated in accordance with this learning method. It can maximally stimulate students’ strong problem awareness and search for motivation, and promote students to think positively and solve independently, which is conducive to the deepening of thinking ability. hair