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Day and night existed long before the first primitive cells coming into being. And that light/dark cycle left its mark on nearly every living thing, microbes, plants, insects, mammals---we all experience circadian rhythms, due to molecular clocks in

发表于:2018-12-24 / 阅读(27) / 评论(0) 分类 Scientific American(四)月

起得晚睡得晚,拥有这种睡眠特质的人被称为夜猫子 6 Minute English bbclearningenglish.com 2010 Page 1 of 5 Dan: Hello and welcome to this weeks 6 minute English. Im Dan Walker Smith and today Im joined by Kate. Now Kate, would you

发表于:2018-12-27 / 阅读(41) / 评论(0) 分类 一起听英语

考试日期: 2012年10月13日 Reading Passage 1 Title: 农村旅游(20110226老题) Question types: 段落信息配对题;完成句子;Summary 文章内容回顾 关于农业旅游业带来的各种影响和应用,比如随着农业旅游

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 雅思机经

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 2007年VOA标准英语(八月)

Train Your Mental Alarm Clock in Four Simple Steps Is there any sound more wretched than that of an alarm clock in the morning? Although Im not a violent person, I often have detailed revenge fantasies involving hurling my clock across the room and w

发表于:2019-02-04 / 阅读(46) / 评论(0) 分类 阅读空间

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(130) / 评论(0) 分类 英语单词荟萃
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