Day 3一
文章大意
移民出矿区的人们带走了他们的才能和DNA, 教育成就具有遗传因素,这对于贫困地区是坏消息。
段落大意
1 流动人口比留守人口更有活力,英国的研究表示这种差异反映在基因里
2 研究的结果以及发表
3 研究结果中的DNA影响,提出SNP
4 地理聚集表现的最明显的是有关受教育程度的SNP,提出矿区
5 分组调查方法
6 研究SNP结果
7 研究的结论
单词
assumption 假定、假设 genetics 遗传学 nucleotide 核算 polymorphisms 多态性 extroversion 外向、外倾 stark • (指区别)明显的,鲜明的 upshot 最后结果、结局
摘抄 It is a common assumption that migrants have more pizzazz than stay-at-homes.
Each of the 33 baseline studies identified large numbers of snps that had positive or negative effects on a particular trait: extroversion, heart disease, height, body fat, age at menopause, recreational drug use and so on.
The upshot is a vicious spiral.
时间 18min
二 文章大意 人类何时首次踏上岛上和老鼠骨骼相关的研究
段落大意 1 老鼠骨骼有助于查明人类何时首次踏上该岛 2 少数人认为人们可能早在公元前200年就踏上了该岛 3 研究认为人类最早要到1280年才到达 4 人类学家Ian Smith反对有人或老鼠在公元13世纪之前到达新西兰的说法 5 土壤科学家David Lowe表示老鼠消灭了几种物种,包括一些鸟类和青蛙
单词 pinpoint 准确解释、说明 rodents 啮齿动物,啮齿类 gnaw adj. 缺刻状的
摘抄 Although most anthropologists think that humans first arrived in New Zealand around 1250 to 1300, a minority holds that people might have set foot on the island as early as 200 B.C.E.
To help clear up the confusion, a team led by Janet Wilmshurst, a paleoecologist at environmental research organization Landcare Research in Lincoln, New Zealand, used a different preparation technique that is thought to be more accurate.
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