李亚乾同志,1964年从事生物教学至今,1989年被评为全国优秀教师。李老师从事生物教学数十年如一日,呕心沥血,默默奉献,他不仅把智慧浇灌在课堂内,而且还放眼于祖国的经济振兴,人民的生活富裕。他把生物教学如何服务于经济建设的题目引入课堂,大胆革新,勇于探索,把生物知识转化为生产力,推动了当地的农业生产。 Comrade Li Yagan was engaged in biology teaching since 1964 and was named a national outstanding teacher in 1989. Professor Li was engaged in biology teaching for decades and he devoted himself to dedication. He not only poured wisdom into the classroom, but also looked at the economic revitalization of the motherland and made the people’s lives prosperous. He introduced the topic of how biology teaching serves economic development into the classroom, boldly reformed, and he dared to explore, converted biological knowledge into productivity, and promoted local agricultural production.