Ppt drawing related, shortcut keys, aesthetics

1. ctrl+G Is a composite graphic ,ctrl+shift+G Is to ungroup graphics .

ppt Drawing skills reference ：

1. PPT How to set the cross line in the flowchart to display
2. How to be in PPT Draw lines that cross but do not overlap ？

Be careful ：

1. typeface , Affect the aesthetics , The difference between formal and informal , Blackbody, etc
2. Color matching
3. shape
4. Typesetting
5. concise 、 Clear , Very important