在切开的土豆片上滴2滴碘酒,土豆片上会出现蓝色,说明土豆片中含有______.生活中常见的物质中有许多是有机物,请你再举出四种:_______、________、_______、_______.
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![在切开的土豆片上滴2滴碘酒,土豆片上会出现蓝色,说明土豆片中含有______.生活中常见的物质中有许多是有机物,请你再举出四种:_______、________、_______、_______.](/uploads/image/z/13119043-67-3.jpg?t=%E5%9C%A8%E5%88%87%E5%BC%80%E7%9A%84%E5%9C%9F%E8%B1%86%E7%89%87%E4%B8%8A%E6%BB%B42%E6%BB%B4%E7%A2%98%E9%85%92%2C%E5%9C%9F%E8%B1%86%E7%89%87%E4%B8%8A%E4%BC%9A%E5%87%BA%E7%8E%B0%E8%93%9D%E8%89%B2%2C%E8%AF%B4%E6%98%8E%E5%9C%9F%E8%B1%86%E7%89%87%E4%B8%AD%E5%90%AB%E6%9C%89______.%E7%94%9F%E6%B4%BB%E4%B8%AD%E5%B8%B8%E8%A7%81%E7%9A%84%E7%89%A9%E8%B4%A8%E4%B8%AD%E6%9C%89%E8%AE%B8%E5%A4%9A%E6%98%AF%E6%9C%89%E6%9C%BA%E7%89%A9%2C%E8%AF%B7%E4%BD%A0%E5%86%8D%E4%B8%BE%E5%87%BA%E5%9B%9B%E7%A7%8D%EF%BC%9A_______%E3%80%81________%E3%80%81_______%E3%80%81_______.)
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