在“模拟酸雨对种子萌�的影响 的探究活动中下列不合理的是 A.可以用醋酸和清水配制供实验用的模拟酸雨b.需要设置对照实验以比较差异c Template


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tomski在“模拟酸雨对种子萌�的影响 的探究活动中下列不合理的是 a.可以用醋酸和清水配制供实验用的模拟酸雨b.需要设置对照实验以比较差异c coloring