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Ballpoint pen, pencil, ruler, test tube and other exquisite education and teaching essential ppt chart download (24p)
This is a set of black and gold color matching, exquisite company pr...
This is a set of blue flat personal resume PPT templates, a total of...
This is a set of concise and colorful personal resume PPT templates,...
This is a set of PPT templates for employee report on colorful polyg...
The three pictures are the earth picture of this Internet ...
These are three cute cartoon hand-painted PPT background pictures; ...