以“二氧化硫的性质和作用”一课作业的设计为例,从设计前置型作业,促进学生主动学习;设计实践型作业,促进学生体验感悟;设计巩固型作业,促进学生思维提升;设计反思型作业,促进学生学会学习四个方面阐述了如何搭建科学有效的作业支架,使学生增强自主学习意识,激发自主学习兴趣,提高自主学习能力。 Take the design of the homework of “the nature and function of sulfur dioxide” as an example, from the design of front-type homework to promote the active learning of students; to design practical homework to promote students ’perception of the experience; to design a more solid homework to promote the improvement of students’ thinking; Design reflective work, and promote students to learn to learn how to build a scaffolding scaffolding to enable students to enhance their sense of autonomous learning, stimulate their interest in learning and improve their ability to learn independently.