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Teaching and speaking class lectures General PPT template, realistic blackboard style, full of campus style, suitable for teacher lecture class open class use.
This is a three-piece blue neat fresh art flower PPT background pict...
This is a group of a set of technical IT Internet related PPT backgr...
This is a set of doctors and nurses medical workers PPT background p...
This is a cartoon smiley face PowerPoint background picture, HOMEPPT...
This is a four team handshake fighting PPT background picture, HOMEP...
This is a green low - carbon travel theme of the PPT background pict...