分子标记辅助育种

历年考研英语阅读理解mp3(03-2)

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19

发表于:2018-12-01 / 阅读(453) / 评论(0)

历年考研英语阅读理解

历年考研英语阅读理解mp3(99-4)

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(721) / 评论(0)

历年考研英语阅读理解

SSS 2011-10-21

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(481) / 评论(0)

Scientific American(十)月

SSS 2009-04-22

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(347) / 评论(0)

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令人悚然的黑科技化学培养皿里长出无人机!

Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日，BAE系统公司发布的一份概念视频展示了未来制造无

发表于:2019-01-07 / 阅读(358) / 评论(0)

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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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Scientific American(十)月

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(354) / 评论(0)

Scientific American(十)月

SSS 2010-06-10

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(338) / 评论(0)

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SSS 2011-07-18

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

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托福阅读背景材料：反射星云

反射星云是靠反射附近恒星的光线而发光的，呈蓝色。反射星云的光度较暗弱，较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云，在透明度高及无月的晚上，利用望远镜便可看到

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托福英语

高中英语人教版高一年级上18

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

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高中英语人教版高一年级

美国习惯用语: Lesson 230 - Right on the Mark / Right Up One'

今天我们要讲的两个习惯用语都是以right这个字开始的。英文里有好几个字的发音都是right。比如说，写字的写就是write。但是，它的拚法是：write,而不是

发表于:2019-01-11 / 阅读(414) / 评论(0)

美国习惯用语

科学美国人60秒 SSS Nobel in Chemistry for Molecular Machines

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(384) / 评论(0)

2016年Scientific American(十)月

经济学人141:癌症与肥胖

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(359) / 评论(0)

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VOA慢速英语20061122a

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2006年慢速英语(十一)月

白领商务英语－经典案例7：Lexmark International

Organization, Teamwork, and Communication Facing Business Challenges At Lexmark International From IBM to Independence How do you build a new, independent organization after years of control by a giga

发表于:2019-02-02 / 阅读(393) / 评论(0)

实用英语

每日一词【286】mark：纪念

今天我们要学的词是mark。 Mark, 有纪念的意思。星期二是2001年美国遭受911恐怖袭击的六周年。President Bush called for Americans to mark the attacks with memorial services and candlelight vigils, 美国总统布什呼吁美

发表于:2019-02-05 / 阅读(366) / 评论(0)

英语每日一词

Making His Mark

A man from the state of Chu was crossing a river in a boat when his sword fell into the water．Immediately he made a mark on the boat．This is where my sword fell off，he said．When the boat stopped moving，he jumped into the water to look for h

发表于:2019-02-09 / 阅读(439) / 评论(0)

趣味英语

经济学人393:科学究竟有什么用?

Books and Artts; Book review; 文艺；书评； Conundrums of science; 科学谜题； What is it for? 科学究竟有什么用？ Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学；乔艾格著； SCIENCE works with problems b

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