ppt教育背景图片
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教育ppt背景图片素材
```htmlExploring Education: A Visual Journey body { fontfamily: Arial, sansserif; lineheight: 1.6; padding: 20px; } h1 { textalign: center; color: 333; } .container { maxwidth: 800px; margin: auto; } .slide { marginbottom: 50px;...