大学英语六级词汇(拼读版) 018

[00:00.00]parameter [00:06.96]parameter [00:08.92]n.参(变)数；参量 [00:16.90]parameter [00:18.86]parasite [00:25.30]parasite [00:27.35]n.寄生动物 [00:35.20]parasite [00:37.24]participant [00:45.92]participant [00:48.09]n.参加者，参与者

新东方赵丽词汇课堂 Lesson 105

新东方赵丽词汇课堂 Lesson 106听力下载

VOA标准英语2013--High-Tech Images Show How Viruses Infect Cells

High-Tech Images Show How Viruses Infect Cells At the University of Texas Medical School at Houston, Jun Liu uses a powerful electron microscope to examine E. coli bacteria and the tiny T-7 virus that infects them. Liu says until now, scientists coul

Joanna Lumley

Hello, Im Andrea Rose and youre listening to bbclearningenglish.com. Today in Entertainment, we meet well-known British actress, Joanna Lumley, who is best known as Patsy in the television comedy series, Absolutely Fabulous. Its also known as Ab Fab

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factitial urticaria 人工性荨麻疹 film agent 膜剂 finger nail 指甲 fissure 裂隙 fixed eruptions 固定性红斑 folliculitis 毛囊炎 fungus 真菌 furuncle 疖 generalized pustular psoria

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Microbiology - the study of the microscopic forms of life. Microfilaments - are the smallest filaments of the cytoskeleton. The filaments are made of hundreds of actin molecules, stacked in a line. Th

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The spread of cell phones, computers and other technology has increased economic growth in the developing world. Transcript of radio broadcast: 01 July 2008 VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Specia

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By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

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The important thing about units is that once we've made a new unit, we can treat it just like we did the old unit. 重要的是，一旦我们创造了新的单位，就能用旧单位那样的方法使用它。 We can compose composed units, and we

TED演讲:一就是一吗(1)

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的：a dozen eggs 'is' 还是 a dozen eggs 'are'？ I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候，我们老

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During a research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank. 在一个研究实验中，一个海洋生物学家把一条鲨鱼放进一个大的水箱中，然后投放

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On a typically rainy Irish afternoon, I boarded an express train at Ireland's capital Dublin. Here we are, about an hour now out of Dublin and we've just crossed over the border from Ireland into the British north. But there has been and there will b

CNN 2008-04-11

And good morning from the CNN Center here in Atlanta, I'm Melissa Long with some of the headlines that are NOW IN THE NEWS this Thursday. President Bush meets with General David Petraeus and the US Ambassador to Iraq Ryan Crocker today. They are exp

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By Steve Herman New Delhi 14 August 2007 An electrician checks the decorative lights on the Indian gate, at the joint border check post, Wagah, India, 13 Aug 2007 Sixty years ago, India and Pakistan celebrated their newly won independence from Britis

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By Melinda Smith Washington 09 August 2007 The World Health Organization says a mother's milk is the perfect food for a newborn baby. But worldwide statistics show that breastfeeding is frequently abandoned right after birth. VOA's Melinda Smith ha

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By Leta Hong Fincher Washington 11 July 2007 Amid increasing calls in the U.S. Senate for American troops to withdraw from Iraq, two American scholars are recommending the partition of Iraq into three regions. Their plan includes a substantial reduct

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From today it is illegal to hold your cell phone and talk or text while driving. If you need to use a phone in the car, you must pull over to the side of the road and stop. You may instead use a hand-less phone which works when it hears your voice. T

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今天李华和Larry 在谈暑假里打算干什么，李华会学到两个常用语：jack 和kaput。 LH: Hey Larry, 你知不知道纽约附近哪个地方可以钓鱼呀？ LL: Fishing, huh? I'm s

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Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I am writing you th