单词：lowest common ancestor
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[00:04.41]Lesson 53 1 Reading comprehension [00:11.47]Read the text fast to find answers to these questions [00:17.95]1 What happened to Kunta in this story? [00:23.59]2 What do you think happened to many of the black people on the ship? [00:29.36]JO
高中英语人教版高三
You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Theres a cool new Web siteand iPhone appthat could come in handy in a wide variety of circumstances. Its called Time Tree. And it tells you how closely related any two org
Scientific American(九)月
7. However, whether such a sense of fairness evolved independently in capuchins and humans,or whether it stems from the common ancestor that the species had 35 million years ago, is, as yet,an unanswered question. 【分析】多重复合句。两个
考研英语长难句讲解
57 这种动物是人类的祖先吗？ DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59
科技之光
Is A Tree Related To Me? 树跟人类是近亲？ Last time we talked about the false belief that evolutionary theory says human beings descended from monkeys. In fact, evolution says that both human beings and monkeys descended from a common ancesto
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