要探究水分对鼠妇生活的影响，在下列的四个实验装置中，应该选择（）A．B．C．D．-生物

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• 题目：光对鼠妇生活的影响提出问题：____________________________________________________。做出假设：。制定计划：（1）本实验中的变量是。在设计实验时，
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