上課用

社區小旅行之 

前言ppt

https://docs.google.com/presentation/d/1X8COHqOpMJhE7dMLcLaVHqn8QpULLa-t/edit?usp=sharing&ouid=113567175862266564163&rtpof=true&sd=true

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職一歷史

ppt 3-1

https://docs.google.com/presentation/d/1UK8k4krW4aYks1af9BvQ5tDoejPwZ8Ue/edit?usp=sharing&ouid=113567175862266564163&rtpof=true&sd=true