18.某兴趣小组的同学选取牵牛花有白�的绿色叶片进行光合作用的相关实验如图所示1为了排除叶片中原有淀粉可能对实验结果的影响需要对实验 Template




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tomski18.某兴趣小组的同学选取牵牛花有白�的绿色叶片进行光合作用的相关实验如图所示1为了排除叶片中原有淀粉可能对实验结果的影响需要对实验 coloring