学案在教学中不仅有着导学的作用,还有“导教”的功能。学案教学就是以学案为载体,学生依据学案在老师指导下进行自主合作探究的教学活动。利用好学案不仅能发挥教师的主导性和创造性,更有利于学生学习习惯和科学素养的培养。所以学案科学、恰当的编制非常重要,它不仅要融入新课程理念,与教材完善的结合,还要以丰富且有层次的问题、知识、方法、思想体系满足学生不同层次的需要。 Case study in teaching not only has the role of guide, but also “guide ” function. Case study teaching is based on the case as a carrier, students under the guidance of the teacher under the guidance of independent teaching to explore teaching activities. Making good use of the study case can not only give play to the leading and creative teachers, but also benefit the cultivation of students’ study habits and scientific literacy. Therefore, it is very important to study the case science and proper compilation. It not only integrates the idea of ​​the new curriculum and the perfect combination of the teaching materials, but also meets the needs of students at different levels with rich and multi-level questions, knowledge, methods and ideological system.