6 模板可用。
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轻松定制 快速轻松地自定义 形状：完全可编辑的矢量图形 每个版本的明暗版本 2长宽比（4：3＆16：9）
When you look at the stars and the galaxy, you feel that you are not just from any particular piece of land, but from the solar system. - kalpana Chawla Solar power is the last energy resource that isn't owned yet , nobody taxes the sun yet. - Bonnie Raitt The total amount of energy we use every year , from coal, oil, natural gas, hydro, nuclear, and everything else , is dwarfed by the amount of solar energy hitting the planet each year. - Ramez Naam
轻松定制 100％完全可编辑的PowerPoint幻灯片 快速轻松地自定义
The Earth does not belong to us: we belong to the Earth. -Marlee Matlin Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books. -John Lubbock My favourite places on earth are the wild waterways where the forest opens its arms and a silver curve of river folds the traveller into its embrace. - Rory MacLean
We could have saved the Earth but we were too damned cheap. - Kurt Vonnegut? People need to be cautious because anything built by man can be destroyed by Mother Nature. - Russe Honore
在PowerPoint中易于编辑 100％完全可编辑的PowerPoint幻灯片
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