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小叔也找了四书的译本叮嘱我读。如何选择，一目了然。Ningxia Hui Autonomous Region　　以此为契机，汤姆和杰瑞这对百年冤家再次碰面，展开连番惊险刺激而妙趣横生的恶斗…村里有个单身男青年叫做“树”，常去村口的酒馆和朋友喝酒，在村里闲晃。“树”在汽修铺受工伤后，在医院被解雇，心生悲戚，竟无所事事调戏护士。一起长大的伙伴，有人开着好车成了煤老板，有人远在省城办私立学校。村子里的煤矿日夜开采，地面下沉，整个村庄不得不迁往别处。常被取笑被漠视的“树”干脆远走省城在学校打工，孩子们让他想起自己的童年。父亲和哥哥在“树”小时候就离开了人世，他常梦到自己的父亲，却从...Human's classification consciousness and practice on vegetation, animals and other organisms have existed since ancient times. They existed in ancient China and ancient Greece, and developed into a science-taxonomy. However, the early classification was mainly based on morphology, such as the shape of roots, stems and leaves. Taxonomy based on morphology is the oldest discipline in biology, and the earliest phyla, classes, orders, families, genera and species basically came from here. Taxonomy in the general sense refers to a specialized discipline that identifies, identifies, describes, names and classifies organisms. The task and purpose of taxonomy can be divided into two parts:当然了时间紧迫，也容不得我们有太多时间从长计议。