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化学科学是一门实验性很强的学科,与许多发达国家相比,以往我国中学的化学科学实验在数量和质量上都是不够的,尤其在乡镇中学更加突出。新课程九年义务教育教学大纲及其教材现在已
Chemical science is a highly experimental discipline. Compared with many developed countries, chemical science experiments in our country’s middle schools were insufficient in quantity and quality, especially in township and middle schools. The new course Nine-year Compulsory Education Syllabus and Textbook Now Available