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These are four PPT background pictures;
Keywords: Red gate slide background picture, golden stone lion, stairs, mountains, bass drum PowerPoint background picture, New Year Chinese New Year PPT background picture
The cover of the slide template uses a blue abstract line and a doct...
The cover of the slide template uses gray pictures of urban building...
This is a set of 23 PPT templates for laboratory chemistry experimen...
The cover of the slide template uses biscuits, droppers, test tubes ...
The cover of the slide template uses a doctor wearing a surgical gow...
The cover of the slide template is decorated with pictures such as c...