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教學難 點 1. How long does it take? 2. How far is it from his home to school? 學情分 析 教學準 備 tape— recorder, multi— medium 教學過程: 個性學習→同層展示→同質合作→異質幫扶→按需探究→達標測評 集體備課 個人備課 Step One: Show the preview works in layers. (5m) Teacher: 1. Draw a check table on the blackboard. 2. Watch the students and guide them to do better. 3. Show the aims for students to choose. (At the same time, stude