CNN 2011-05-31

Flight the 447 was in the air and moving accross,when it's some particularly cold weather. The petal trubes at the front of the plane suddenly started to give their stuff and they gave incorrect readings that led to the dissengagement of the auto pil

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By 19, I was a fully-fledged movie actor, but still searching for definition. 当我19岁时，我已经是一个羽翼丰满的电影演员，但却仍在寻找定义。 I applied to read anthropology at university. 我在大学里申请攻读人类学

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Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

Daily English-2017年05月04日

She is grieving the loss of her biological daughter. 她沉浸在失去亲生女儿的悲痛之下。 图片1

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While most of us rely on Google maps to get us where we're going, some are using the service to search for locations from thousands of years ago that we might have forgotten, like ancient pyramids. A satellite archaeological researcher from North Car

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SSS 2008-10-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

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By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

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Now, even though both of these molecules are made up of exactly the same building blocks, 尽管这两种分子由一模一样的东西组成， they are two completely different substances, and they behave completely differently inside of us. 但它们

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Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

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AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

VOA慢速英语20061108a

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Server management can be simplified The need to reduce the complexity of IT infrastructure management remains a priority on every IT managers agenda. One of the most prominent open standards addressing that need, Intelligent Platform Management Inter

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Now, before we get started 现在,在我们开始之前 This is great. You're excited to play. 很好。你们已经等不及了-- before we get started, can I havethe slides back up here really quick, 在我们开始之前，我在上面再放几张投

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Yet there is surprisingly little agreement on how many phyla there are or ought to be. 然而，令人吃惊的是，在关于有多少门或诙有多少门的问题上，人们的看法大相径庭。 Most biologists fix the total at about thirty, b