在单元教学中,先要制订单元目标,然后通过创设有效的学生学习活动来保障目标的达成。教师通过可视化路径分别从活动目标的制订、活动任务的设计、活动流程的设计、活动的评价与规格等方面来展示学生学习活动设计的全过程。 In unit teaching, we must first develop the unit goal, and then through the creation of effective student learning activities to protect the goal. Through the visualization path, teachers demonstrate the whole process of student learning activities design from the aspects of the design of activities, the design of activities and tasks, the design of activities and the evaluation and specification of activities.