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一、背景为提升教师课堂教学水平、加快教师专业成长,从而不断推进新课程改革,每年各县市都会开展各种形式的优质课评比活动。今年,经过层层选拔和激烈竞争,我有幸代表县里参加市里的优质课评比活动。我执教的参赛课题是人教实验版必修3第七章第二节《现代生物进化理论的主要内容》的第一部分“种群基因频率的改变与生物进化”。就在我赛前广搜材料,绞尽脑汁设计课堂教学时,我无意间在网上看到了有着生物学博士头衔的“科学打假斗士”
I. Background In order to promote teachers’ classroom teaching and speed up the professional development of teachers so as to continuously push forward the reform of the new curriculum, various counties and cities carry out various forms of high-quality class competitions every year. This year, after many layers of selection and fierce competition, I am fortunate to represent the county to participate in the city’s high-quality class competitions. The subject of my coaching is the first part of Chapter VII, Section 2, “The Main Contents of Modern Bio-evolution Theory”, entitled “Changes and Evolution of Population Gene Frequency”. Just before my competition to search materials and rack their brains to design classroom teaching, I inadvertently saw on the Internet a “science fake fighter” with a doctorate in biology