视频地址：https://video.cache.bdschool.cn/vd/a7816846230485257875a1e5662d43fc.mp4
附件：0609 初二英语（人教版）-Unit 6 An old man tried to move the mountains. Period 4-1教案.docx
附件：0609 初二英语（人教版）-Unit 6 An old man tried to move the mountains. Period 4-2 PPT课件.pptx
附件：0609 初二英语（人教版）-Unit 6 An old man tried to move the mountains. Period 4-3学习任务单.docx