总结评价是“271”生态课堂的最后一个环节,也是使课堂富有生命力的重要举措。科学利用小组评价能促进小组成员互帮互学,使学生成为评价主体,在合作中借鉴,在借鉴中思考,在思考中提高。总结,即学生和老师对本节课所学内容进行梳理和巩固,使学生所学知识系统化的一个过程。总结能帮学生巩固所学内容,对知识进行积累整合,对问题的理解更 Summary evaluation is the last link in the “271” eco-class and an important measure to make the classroom full of vitality. Scientific use of group evaluation can promote group members to help each other, so that students become the main evaluation, learn from the cooperation, thinking in reference, improve in thinking. In conclusion, students and teachers can sort out and consolidate what they have learned in this lesson so as to systematize the students’ knowledge. Summary can help students consolidate what they have learned, the accumulation of knowledge integration, the understanding of the problem more