胞外域（ectodomain的复数形式，一般指膜蛋白位于细胞外的区段）

【英语语言学习】我们需要黑客

In 2008, Burhan Hassan, age 17, boarded a flight from Minneapolis to the Horn of Africa. And while Burhan was the youngest recruit, he was not alone. Al-Shabaab managed to recruit over two dozen young men in their late teens and early 20s with a heav

发表于:2018-12-28 / 阅读(102) / 评论(0)

英语语言学习

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Now, this is often caricatured, as I have here, as a fear that armies of malicious robots will attack us. 现在我们时常会看到这样一些讽刺漫画，我们总会担心受到一些不怀好意的机器人军队的攻击。 But that isn't th

发表于:2019-01-03 / 阅读(168) / 评论(0)

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Legend of the Dragon Boat Festival's Origin At the end of the Zhou Dynasty, the area we now know as China had fallen into a state of fragmentation and conflict. While the Zhou dynasty had ruled for several centuries, several other states, originally

发表于:2019-01-17 / 阅读(117) / 评论(0)

英语作文

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The China Children and Teenagers' Fund and the Amway Charity Foundation have recently held an International Child Nutrition and Poverty Alleviation Forum in Beijing. The forum gathered a number of child-development experts. Doctor Robert Scherpbier a

发表于:2019-01-17 / 阅读(155) / 评论(0)

2016CRI中国国际广播电台

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If the truth be told, the average citizen was sick and tired of anarchy and disorder. He did not care who ruled him pro vided the new master gave him a chance to live quietly and without the noise of eternal street riots. Octavian assured his subject

发表于:2019-01-18 / 阅读(102) / 评论(0)

美国学生人类历史

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With Commencement today, we close our year of commemorating Harvards 375th birthday. From an exuberant party for 18,000 in torrential rain and ankle-deep mud here in Tercentenary Theatre last fall to todays invocation of John Harvards spirit still wa

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英语演讲

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Looking at a mans fingers instead of his wallet can let you know whether he is rich, a new study suggests. 一项最新研究表明，判断男人有钱与否，无需看他的钱包，看看他的手指长短就可以了。 The longer the ring finge

发表于:2019-01-21 / 阅读(146) / 评论(0)

阅读空间

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A BuzzFeed News analysis has identified the 50 fake news stories that attracted the most engagement on Facebook this year. Together they totaled 21.5 million likes, comments, and shares. Of these stories, 23 were about US politics, two were about wom

发表于:2019-02-02 / 阅读(95) / 评论(0)

英语新闻

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发表于:2019-02-03 / 阅读(101) / 评论(0)

英语新闻

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发表于:2019-02-03 / 阅读(118) / 评论(0)

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发表于:2019-02-09 / 阅读(104) / 评论(0)

托福英语

Fair treatment for private capital in railway investment

BEIJING, May 21 (Xinhua) -- China's recent move to give private capital equal treatment in investing in the country's railway projects is expected to inject new vitality into the long-monopolized railway sector amid concerns of an economic slowdown.

发表于:2019-02-11 / 阅读(128) / 评论(0)

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U.S. Defense Secretary Ash Carter said Monday there is neither a desire for a return to a Cold War nor for a new conflict with Russia, and that economic sanctions are having an effect in countering Russian aggression in Ukraine. He spoke at a forum i

发表于:2019-02-11 / 阅读(103) / 评论(0)

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推理题的题干中常出现infer, imply , most likely (least likely) 或probably 等词语。一、推理题的两大分类：有共性的推理题和无共性的推理题。这里所谓的有共性推理题就是说题干中有和原文内容相同

发表于:2019-02-12 / 阅读(123) / 评论(0)

托福英语

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This is my supermarket. Not such a big one. I want to say just a word about salad dressing. 这是我家附近的一个超市。不算很大。我只想说说这里的色拉调料。 175 salad dressings in my supermarket, 我这家超市有175种各式

发表于:2019-02-14 / 阅读(117) / 评论(0)

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Science and technology. 科技。 Nanotechnology. 纳米技术。 A fab result. 生物工厂。 A novel way of making computer memories, using bacteria. 制造计算机存储器的新奇方法：使用细菌。 FOR half a century, the essence of prog

发表于:2019-02-19 / 阅读(132) / 评论(0)

经济学人综合

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The Northmen were very intelligent They soon learned to speak the language of their subjects and gave up the uncivilised ways of the early Vikings 这些北欧人异常聪明。他们很快学会讲被征服民族的语言，抛弃了早期维京人

发表于:2019-02-21 / 阅读(141) / 评论(0)

美国学生人类历史

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He looked after the dikes so that the countryside should not be flooded 他还担当着照看水坝的职责，以免四周的乡野受洪水之患 (just as the first noblemen had done in the valley of the Nile four thousand years before). （就像4

发表于:2019-02-21 / 阅读(95) / 评论(0)

美国学生人类历史

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The some 9-thousand word paper has rolled out a roadmap for the Chinese army's active defense strategy. Researcher with the Academy of Military Science of the Chinese People's Liberation Army Wen Bing, who took part in drafting the paper, explains fu

发表于:2019-02-21 / 阅读(176) / 评论(0)

2015CRI中国国际广播电台

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托福阅读推理题是托福阅读的重要组成部分，一般而言，在托福阅读的3篇文章中，每篇总是会有0-2道此类推理题，一次考试总共有3-4道。所谓托福阅读推理题，也就是所需要的信息都包含在文

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