单词：Hemigraphis
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This is Scientific Americans Sixty Seconds Science. Im Steve Mirsky. Got a minute? Youve no doubt heard that grapefruit juice can greatly increase the effects of some drugs. Even to a dangerous degree. Pharmacologist David Bailey made that discovery
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Graph Search的理念在于，以谷歌搜索引擎发掘互联网信息的方式，发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命：不仅帮助用户与已知的他人建立联系，还能成为一款发现工
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It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
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Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
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MICHEL MARTIN, HOST: The nation's third president, Thomas Jefferson, is revered as a Founding Father of the nation, principal author of the Declaration of Independence, a scholar and inventor, and he owned 607 human beings - 400 of them lived at his
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第一部分 常用于引言段的句型的2类表达方式 一、议论文常用句型 1. It is a fact that. 2. It is well-known that. 3. There is no doubt that. 4. I think that. 5. Contrary to the popular thought, I prefer. 6. Some people say/belie
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Disease 疾病 anemia, anaemia 贫血 angina pectoris 心绞痛 appendicitis 阑尾炎 arthritis 关节炎 bronchitis 支气管炎 cancer 癌 catarrh 卡他，粘膜炎 chicken pox, varicella 水痘 c
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An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips
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与数字有关的英语词根总结 milli-【千分之一】例：milliampere（毫安）=milli（千）+ampere（安培） centi【百分之一】例：centimeter（厘米）=centi（百分之一）+meter（米） deci【十分之一】例：decibe
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Disease 疾病 anemia, anaemia 贫血 angina pectoris 心绞痛 appendicitis 阑尾炎 arthritis 关节炎 bronchitis 支气管炎 cancer 癌 catarrh 卡他,粘膜炎 chicken pox, varicella 水痘 cholera 霍乱 cold 感冒,伤风,着凉 (head) cold 患感冒 diabetes 糖尿病 diphtheria
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Jefferson kept his promise to Sally Hemings. All four of their children were freed while Jefferson was still living or by the terms of his will. Their son Beverley and daughter Harriet settled in Washington, D.C. Madison moved to Ohio, earning a livi
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Most members of Congress signed the Declaration on August 2, 1776. Its author signed the paper Th Jefferson. After signing, he was ready to go home. He missed his family. Besides, he felt he was needed in Virginia. He quit his seat in Congress on Sep
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