Evaluate the use of supporting materials in the following speech excerpt. Be sure to deal with all the supporting materials in each paragraph. And be specific in assessing their strengths and weaknesses. Unit 4- Week 5-Assignment-Excerpt.doc 要求: 按小组完成作业 可以分工:1~2名同学分析总结节选中使用辅助材料的优点,1~2名同学分析总结不足,1名同学制作PPT,再最终确定一名同学将小组成果录制为视频后,将PPT和视频一并上传至答题提交。(由录制视频的同学将视频和PPT提交至答题区) 制作PPT的同学要在首页上写明:班级,小组,分工 教师根据每组完成的质量给每位组员打分