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名师简介：曹洪昌，１９４６年生于山东省安丘市，现任安丘一中副校长。他改进和创新了４１个化学实验，创立了旨在培养学生创新能力的“三步程序教学法”。在省级以上报刊上发表论文３２８篇，出版专著４５部，代表专著有《曹洪昌化学教学艺术与研究》、《化学教学方法》、《
About the teacher: Cao Hongchang, born in Anqiu City, Shandong Province in 1946, is currently the vice president of Anqiu Middle School. He improved and innovated 41 chemistry experiments and created a “three-step teaching approach” aimed at cultivating students’ innovative abilities. In the newspapers above the provincial level, he has published 328 articles and 45 monographs. He has authored “Cao Hongchang Chemistry Teaching Art and Research”, “Chemistry Teaching Method”, "