心理学家做过一次有趣的实验:将一只青蛙投入热水锅中,它受到极强烈的刺激后,会纵身一跃,猛地跳了出来。然后又把这只青蛙放进一只盛有冷水的锅里,用火慢慢将这只锅加热。开始时,青蛙自然显得若无其事,锅中水的温度越来越高,但出乎意料的是它仍然毫无反 An interesting experiment was done by psychologists: Put a frog in a hot water pot and after a very intense stimulus, it jumped up and jumped out suddenly. Then put the frog in a pot of cold water and slowly heat the pan with fire. In the beginning, the frog naturally looked like nothing had happened, the temperature of the pot water was getting higher and higher, but unexpectedly it still had no effect