“物竞天择,适者生存”。——达尔文。【序】所有的好故事都要从“很久很久以前……”开始。我们的故事也不例外。很久很久以前,有一个勤劳的放羊少年,每天都在自家的草原上放牧。一天,他看见几只狼从森林深处缓慢走来,血红的眼睛散发着寒光,他想也不想地张口呼救,声音很快招来了附近田里劳作的大人。但狼群在少年发出声音的一瞬间已经飞快地离开了,大人们火急火燎地赶过来 “Natural selection, survival of the fittest”. Darwin. 【Order】 All good stories from the “long, long time ago ... ”. Our story is no exception. Long, long time ago, there was a hard-working young shepherd who grazed on her own prairie everyday. One day he saw a few wolves walking slowly from the depths of the forest. The blood-red eyes radiate a cold light. He did not want to cry for help, and the sound soon brought an adult working in the fields nearby. But the wolves had already left very quickly for the moment when the teenager made a sound, and the adults rushed over