探究实验中一般采用对照方法进行.下列各项中能作为对照条件的是a光照和水分b氧气和温度c湿润和干燥d肥料和农药——青夏教育精英家教�—— Template




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tomski探究实验中一般采用对照方法进行.下列各项中能作为对照条件的是a光照和水分b氧气和温度c湿润和干燥d肥料和农药——青夏教育精英家教�—— coloring