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开设选修课是南开中学拓展学生知识面，加强素质教育的一项重要措施。本文结合实践，对如何开设高中化学选修课进行了探讨。
The establishment of elective courses is an important measure for Nankai Middle School to develop students’ knowledge and strengthen quality education. This article combines practice to explore how to set up high school chemistry elective courses.