資源利用會造成的影響 - 社會議題
By Sierra Rose
at 2009-06-03T00:00
at 2009-06-03T00:00
Table of Contents
1、什麼是資源?我們常利用哪些資源?2、資源利用會造成什麼樣的影響?3、如何妥善利用資源?
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社會議題
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By Hedda
at 2009-06-06T22:43
at 2009-06-06T22:43
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