week fourth

I. Activity one
Site:http://netacademy.ferris.ac.jp/
Topic:You should keep ID carefully.
Your score (if any):
Key words learned:
　　　　　authentic (genuine)
　　　　　indentification ()
　　　　　authorities (power)
　　　　　commodity (goods)
　　　　　flucfuate (change)
Rating of the site: :)
Comments: ( interesting )
Time spent doing activity:15mim.