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预习是教学环节之一,主要是指课前对即将学习的知识进行先期的大致了解与熟悉,以备正式学习时有的放矢。根据预习内容量可将预习分为课前预习(只预习下一堂课的内容)、阶段预习(预习下一阶段即将学习的内容)、学期预习(预习下一学期要学习的内容)。预习作为教学环节之一,理应实施,但由于在实际操作中需要教师投入额外的时间和精力予以监控,因此很多教师往往不予重视,这在初中
Preview is one of the teaching links, mainly refers to the pre-class knowledge about the upcoming learning general understanding and familiar to prepare for formal learning targeted. According to the contents of the preview content can be divided into pre-class preview preview (only preview the contents of the next class), stage preview (preview the next stage is about to learn), semester preview (preview next semester to learn). Preview as one of the teaching links should be implemented, but due to the actual operation requires teachers to invest additional time and effort to be monitored, so many teachers tend to neglect, which junior high school