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Three white-collar figures in suits and leather shoes are talking, and various data reports are placed on the desktop...
Keywords: background picture of character slides, PowerPoint background picture of data report
These are four practical party and government PPT background picture...
This is six PPT background pictures of exquisite red party lessons; ...
This is four PPT background pictures of the cool award ceremony; ...
This is a PPT background picture of five Chinese New Year background...
This is a PPT background picture of bright lotus flower; Keywords...
PPT template of teachers' open class with grass textbook backgro...