单词：endonuclease
单词：endonuclease 相关文章
From NPR news in Washington. I'm Jack Speer. A key Senate committee has sighed off on President Obama's budget blueprint setting the stage for debate on the 3.6 trillion dollars spending package some time next week. Approval by the Senate Budget Com
2009年NPR美国国家公共电台3月
Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus
Scientific American(十二)月
By Serena Parker Preston J. Truman grew up in Enterprise, Utah, a small farming community of 800 people located 100 miles east of the U.S. government's nuclear weapons test site in the state of Nevada
VOA2004（下）--时事新闻
今天学的词是ease。Ease就是放松原有的规定或限制。上个月，美国航空安全官员决定禁止旅客带液体上飞机。经过研究，他们现在决定放宽这一规定。报纸说：U.S. Eases Carry-on Liquid Ban, 美国当局
英语每日一词
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英语单词荟萃
Science and technology. 科技。 Exercise and addiction. 锻炼也会上瘾。 Fun run. 奔跑的奥秘。 People, it seems, have evolved to be addicted to exercise. 人类似乎在进化过程中对锻炼上瘾了。 AS THE legions of gym bunnies a
经济学人科技系列
谈到视角，很多同学可能会问，当我谈论视角的时候，我在说什么。看以下GRE考试中的一句话： The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h
GRE英语
CARL AZUZ, CNN STUDENT NEWS ANCHOR: There's an old saying: It's not what you know, it's who you know. It might also be how you act. We're gonna make sense of that in just a bit. I'm Carl Azuz. Welcome to CNN Student News! First Up: Midterm Elections
CNN2010年(十一)月
Fridays are awesome! Just like the students and teachers at Ron Clark Academy, where I had the privilege of speaking yesterday. I'm Carl Azuz, bringing you 10 minutes of headlines, leaving out the commercials. Let's go ahead and get started. The fina
CNN2011年(二)月
Iran's state-run television station says three American tourists have been arrested after entering the country from northern Iraq without permission. The State Department is looking into the reports, as NPR's Allison Keyes reports. The three were re
2009年NPR美国国家公共电台8月
Photo: AP Russian President Dmitry Medvedev seen on television screens in an electronics shop during his interview in Moscow, 24 Dec 2009 In his end of the year speech, Russian President Dmitri Medvedev says his country will develop a new generation
VOA标准英语2009年(十二月)
Russian Foreign Minister Sergei Lavrov is calling for the resumption of talks on Iran's nuclear program as soon as possible. The Russian minister said a more constructive approach is needed to resolve international concerns about Iran's nuclear ambit
VOA标准英语2011年(三月)
By David Gollust State Department 02 October 2007 The United States said Tuesday it has approved a draft six-nation accord under which North Korea will declare and disable its nuclear programs by the end of the year in exchange for aid and diplomatic
2007年VOA常速英语（十月）
Roberta: You know, my birthday is coming up. John: Yeah, I know. What are you getting at? Roberta: Nothing. I was just thinking that its kind of an important birthday, a major birthday. John: Yes, I know. Spit it out. What are you driving at? Roberta
地道美语播客
By Kurt Achin Seoul 07 December 2007 The senior U.S. delegate to multinational talks aimed at dismantling North Korea's nuclear capabilities says more discussions are needed before North Korea produces a formal declaration of its nuclear programs. VO
VOA常速英语2007年（十二月）
By Kurt Achin Seoul 03 November 2009 North Korea says it has manufactured more material useable in nuclear weapons. The announcement is widely seen as a tactic to pressure the United States into bilateral talks, and comes a little more than a week b
VOA标准英语2009年(十一月)
What makes people dizzy when they spin? Rolling down a hill or spinning around in endless circles causes dizziness or vertigo because hair-like sensory nerve cells in our ears send wrong messages to our brain. The motions of our bodies are detected b
阅读空间
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能源行业英语
Science and technology 科学技术 Exercise and addiction 锻炼也会上瘾 Fun run 奔跑的奥秘 People, it seems, have evolved to be addicted to exercise 人类似乎在进化过程中对锻炼上瘾了 AS THE legions of gym bunnies and jogging
经济学人科技系列
饶舌:Gucci Mane - Bingo 相关介绍：来自亚特兰大的Radric Gucci Mane Davis，在发行了个人首张专辑《Trap House》四年之后，人气日渐高涨。 Bricks, Photo Shoot, Shirt Off and Stoopid and the Make the Trap Say Aye remix等
节奏布鲁斯