risenraiser's blog
Thursday, June 21, 2012
Ｑ：「モースの硬度計」に登場する次の鉱物と、その和名の正しい組み合わせを選びなさ
Ｑ：「モースの硬度計」に登場する次の鉱物と、その和名の正しい組み合わせを選びなさ
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