视频地址：https://video.cache.bdschool.cn/vd/06b1fc756501a4151bb6cff75460115a.mp4
附件：0519一年级英语（北京版）- UNIT THREE WHAT COLOUR IS YOUR BAG（2）-1教案.docx
附件：0519一年级英语（北京版）- UNIT THREE WHAT COLOUR IS YOUR BAG（2）-2课件.pptx
附件：0519一年级英语（北京版）- UNIT THREE WHAT COLOUR IS YOUR BAG（2）-3学习任务单.docx
