某同学设计了如图所示的装置.下列描述中正确的组合是 �此装置可验证植物的光合作用产生氧气�此装置可验证植物的�吸作用产生二氧化碳�丙内 Template




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anonymous
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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomski某同学设计了如图所示的装置.下列描述中正确的组合是 �此装置可验证植物的光合作用产生氧气�此装置可验证植物的�吸作用产生二氧化碳�丙内 coloring