开放性习题是相对于传统的封闭型习题而言的,是具有条件不唯一、答案不唯一、解题策略不唯一等特征的题型。这种习题不但有利于培养学生的应用意识和能力,而且可以使学生在解题过程中形成积极探索和力求创造的心理态势,有利于培养学生自主学习、主动探究、独立解决问题的能力,也为调动学生的 Open exercise is relative to the traditional closed-type exercises, is not the only condition, the answer is not the only problem-solving strategy is not the only type of questions. This kind of exercise not only helps to cultivate the students ’awareness and ability to apply, but also enables the students to form a psychological trend of actively exploring and trying to create during the problem-solving process, which is helpful to cultivate the students’ ability to study independently, take the initiative to explore and solve problems independently. To mobilize students