传统的练习，主张学生独立思考，独立完成。而新的课程要求，学生要学会合作学习。课堂上可以合作讨论问题，为何练习不可以合作完成呢?合作做练习有如下的好处:1.这是研究性学习的前奏。学生在教师指导下，确定一定的专题研究，在研讨过程中主动地获取知识，应用知识解决问题 Traditional exercises advocate that students think independently and complete independently. The new curriculum requires students to learn to learn together. Questions can be discussed collaboratively in the classroom. Why can’t the exercises be done together? The benefits of doing collaborative exercises include the following: 1. This is a prelude to research learning. Under the guidance of a teacher, students determine certain topical studies, actively acquire knowledge during the discussion process, and apply knowledge to solve problems.