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两位美国科学家做过一个有趣的试验:在两个玻璃瓶里分别放进5只苍蝇、5只蜜蜂,然后将瓶底对着亮光,瓶口朝向暗处.几小时后,5只苍蝇从瓶子后端暗处找到出口,爬了
Two American scientists have done an interesting experiment: Put 5 flies and 5 bees in two glass jars, and then place the bottom of the bottle against the light and the bottle mouth in the dark. After a few hours, 5 flies from The bottle finds the exit in the dark and climbs up