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通过实验激发学生学习的兴趣；介绍化学对社会发展的作用，培养学生学习的兴趣；展望未来，激励学生学习的兴趣；通过化学史的教学，培养学生坚强意志，增强学生学习的兴趣。
Stimulate students' interest in learning by experiment; introduce the role of chemistry in social development, develop students' interest in learning; look forward to the future and encourage students to learn interest; cultivate students' strong will and interest in learning through the teaching of chemistry history.