长作业也称长时性作业 ,与即时性作业、宽时性作业互为补充 ,这三者是相对完成时间长短而分的。即时性作业是为巩固本节课或当日课堂教学效果而进行的封闭型作业 ,一般当堂或当日完成。宽时作业是为迁移知识、转化思维而进行的半开放型的作业 ,一般两天至一周完成。一、长作业 Long-term operations, also known as long-term operation, and instantaneous operations, wide-time operation complement each other, the three are relatively complete length of time and points. Instant work is to close the class or the day classroom teaching effect of closed-type operations, generally when the church or the day to complete. Wide-time assignments are semi-open-ended assignments that migrate knowledge and translate thinking, usually two days to one week. First, long-term homework