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The tender green background with crystal clear water droplets is very suitable for making natural PPT courseware for primary schools;
Keywords: green PPT background, grass, dew, water drops, plants PowerPoint background image
Modern business building closeup cover background, thin line and geo...
Confiscated mobile phones can fix procrastination, the symptoms and ...
Blue beautiful low triangle background, simple text title, exquisite...
New employee induction training ppt template, business characters yo...
Soldiers, fighters, the Bayi Army emblem, the national flag, the dov...
Perspective business building, architectural line business building ...