4.验证绿叶在光下制造淀粉的实验步骤可概括如下�将盆栽天竺�放到�暗处一昼夜�用�纸片将叶片的一部分上下两面遮盖起来置于阳光下照射�一段 Template




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tomski4.验证绿叶在光下制造淀粉的实验步骤可概括如下�将盆栽天竺�放到�暗处一昼夜�用�纸片将叶片的一部分上下两面遮盖起来置于阳光下照射�一段 coloring