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Wow, you love Google Earth so much. Can you find any other useful resources other than Google Earth to share with us?

sorry，還沒找到，或許你可以給我一些建議。

I found a few on http://www.go2web20.net/ . You can try them and then post the ones that you think are useful for education or research. Otherwise, think of a classroom problem (collaborating at home on group work, posting slideshows to the net, teaching about different cultures, or using Webquests for math) and then search out an app that can help with it. Good lujck and keep up.