学案是高效课堂的一个标志,学案编写的质量是保证课堂高效的关键。所以,编写学案内容要少,问题要集中,重点要突出,目标明确,引导学生发散思维,学生收获要多;教师讲解要短,学生读、思、交流要长。 Case study is a sign of efficient classroom, the quality of case study is to ensure that the key to efficient classroom. Therefore, the content of writing lesson plans should be less, the problems should be concentrated, and the key points should be highlighted. The targets should be clear, guiding students to diverge their thinking and students should learn more. Teachers should explain shortly, students should read, think and communicate longer.