视频地址：https://video.cache.bdschool.cn/vd/a64e5d318da362d60ede6a9eb9f75c0a.mp4
附件：0509三年级英语（北京版）-UNIT TWO I LIKE THE SHAPE(4)-1教案.pdf
附件：0509三年级英语（北京版）-UNIT TWO I LIKE THE SHAPE(4)-2PPT.pdf
附件：0509三年级英语（北京版）-UNIT TWO I LIKE THE SHAPE(4)-3学习任务单.pdf