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MBN小确幸治愈综艺《自然而然》是讲述艺人定居乡村故事的真人秀综艺，各自怀着乡村生活的目标入住乡下村庄的艺人们，实现自己的“小确幸”、寻找治愈生活。1. Report Self-report Materials二十世纪八十年代中期，豫北小城怀州。粮食局的工程师董大成下去检查时，发现存在严重的质量问题，遂毫不循私情地向局里作了汇报。耿国良利用此事，逼关涛海替儿子耿峰顶罪进了派出所。由此产生的一系列后果让董大成的女儿董小米变得颓废不振。为了挽救女儿，董大成忍痛办理内退，让董小米顶替到粮店上班。为给老百姓打造“放心的厨房”，董大成下海做起了粮食加工企业。可在他去世后，董氏企业却落入了心术不正的赵顺利和蔡怀玉手中，被查封。看到父亲的心血付之一炬，董小米异常心痛。“民以食为天，食以安为先”，想起父亲的遗愿，她毅然回归粮食，做起了“放心食品”。在关涛海和耿峰的帮助下，董小米的“良心食品一条龙”产业正式启动，从事从粮食的种植源头到加工、进入市场的一系列经营。到底该怎么办？项羽突然之间有些绝望。电视剧以中国共产党建党百年的辉煌历程为主轴，通过八首经典歌曲，串联起八大版块，分别为：《国际歌》《万里长征》《黄河在咆哮》《没有共产党就没有新中国》《最可爱的人》《歌唱祖国》《为希望祝酒》和《年轻的朋友来相会》。回顾百年峥嵘岁月，无数先烈抛头颅洒热血，无数党员前赴后继，他们不忘初心，牢记使命，为实现中华民族伟大复兴的中国梦而不懈奋斗。The second classification principle of organisms is the lineage classification principle aiming at establishing evolutionary lineage. The classification method following this principle is called lineage classification. The representative of pedigree classification is "branch systematics". It advocates that the branches in evolution should be taken as the criteria for identifying and distinguishing classification units and the basis for determining the pedigree relationship of each classification unit. The so-called co-ancestral proximity (similar to a group of people being a grandfather) is used to measure the genetic relationship between different taxa and determine their position in the pedigree. The classification system finally established is an evolutionary pedigree reflecting the history of phylogeny, which is a deeper description of biological relationship. In other words, the basic principle of pedigree classification is that the classification system conforms to the evolutionary pedigree. Pedigree classification is only applicable to organisms and cannot be used for abiotic classification.