“合作”环节包括生生合作和师生合作两个方面:生生合作包括小组实验、学生组内、组间的交流与表达两个方面,而师生合作的重点是指教师对学生活动的及时评价与反馈“探究”环节是指在课堂教学中按照下列程序在教师的指导下,学生主动 “Cooperation ” links include students and students cooperation and teacher-student cooperation in two aspects: students and students cooperation, including group experiments, student groups, exchange and expression between the two groups, and teacher-student cooperation is the focus of teachers on student activities Timely evaluation and feedback “Inquiry ” link means in the classroom teaching in accordance with the following procedures under the guidance of the teacher, the students take the initiative