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近日,笔者参加了某校的教学开放日活动,观摩了《重大发明与科技创新》(北师大版七年级历史下册第7课)公开课教学。
Recently, I participated in a school teaching open day activities, observing the “major inventions and technological innovation” (Beijing Normal University version of the seventh grade history of the seventh lesson) open class teaching.