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化学是一门基础的自然科学,它同农业、能源、材料、资源开发、国防建设以及环境保护等方面有着密切的关系,它对实现我国“四化”建设起着重要的作用。中学化学教学是化学教育的启蒙和基础阶段。它不仅能为学生升入高一级学校学习有关专业奠定基础,也能为毕业生参加工作解决处理一些实际
Chemistry is a basic natural science. It has close relations with agriculture, energy, materials, resources development, national defense construction and environmental protection. It plays an important role in the realization of “four modernizations” in our country. Chemistry teaching in middle school is the enlightenment and basic stage of chemistry education. It not only for students to enter a higher school to lay the foundation for the relevant professional, but also for graduates to participate in work to solve some of the actual deal