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Good Friday 聖週五

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Holy Thursday 聖週四

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Palm Sunday 聖枝主日

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Chemistry tutorial-Ch11-3-Appearance and storage methods of metals

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Chemistry tutorial-Ch11-2-Reactions of metals with oxygen

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Chemistry tutorial-Ch11-1-Comparing reactivities of common metals

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化學教室-第11章-3-金屬的外表和貯存方法

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化學教室-第11章-2-金屬與氧的反應

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化學教室-第11章-1-比較金屬的活潑性

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