省公司，市级公司各类汇报文件汇总整理，演示文稿制作；
To collect the report from province of company & city of company, as well as making demonstrate documents.
演示文稿制作技术简单，功能强大，是最常见的演示型教学课件。
The method of making Powerpoint document is simple and has many functions. It's the most common demonstrating courseware.
他说，他的父母有时会帮助他制作演示文稿和手工作品。
He said that his parents would sometimes help him by making PowerPoint presentations and creating handmade works.
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