选取有白�叶片和绿色叶片的牵牛花进行如下图所示的光合作用实验.请分析回答1在实验中将牵牛花放在暗室一昼夜的目的是 .2将此装置经 Template


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tomski选取有白�叶片和绿色叶片的牵牛花进行如下图所示的光合作用实验.请分析回答1在实验中将牵牛花放在暗室一昼夜的目的是 .2将此装置经 coloring