根据如图回答问题1从叶的结构来看物质ab是通过气孔进出叶片.2若此图表示光合作用过程则a代表的物质是二氧化碳d代表的物质是 Template




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tomski根据如图回答问题1从叶的结构来看物质ab是通过气孔进出叶片.2若此图表示光合作用过程则a代表的物质是二氧化碳d代表的物质是 coloring