用Mp3背六级单词044

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SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

我们该选择死亡吗？

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发现可以给手机充电的细菌

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

CNN 2010-12-19

A lot of protests took place around the city's centre, around parliament, we did have some violence riot at this time, and it started with protesters throwing Molotov cocktails, and the police so responding, things escalated for a while, and the parl

CNN 2011-05-20

Before he went for office in 2003, Schwarzenegger fathered a child with a member of his household staff. According to a statement he gave the paper, (quote) After leaving the governor's office, I told my wife about this event which occurred over a de

英语语法：146 “Diffuse” Versus “Defuse”

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

2010年麻省理工学院清洁能源奖揭晓(有声)

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

SSS 2008-09-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

SSS 2008-04-18

This is Scientific American's 60-Second Science. Hi, Steve Mirsky. Here, I'm going over our usual one minute today. By now you've probably heard of Expelled, the new Ben Stein anti-evolution crocumentary. It officially opens today, as I speak that's

China shuts down 97,000 blog, microblog accounts in anti-porn campaign

China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination

英语歌曲:Kathy's song

Kathy's song 歌手：Eva Cassidy 《Kathy's Song》 -- (P. Simon, 1965) Simon and Garfunkel I hear the drizzle of the rain Like a memory it falls Soft and warm continuing Tapping on my roof and walls. And from the shelter of my mind Through the wind

微电子辞典-4

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

英特尔推出Alloy项目 正式进军虚拟现实

Intel has unveiled its newest virtual reality headset called Project Alloy. Through this gadget, the company introduces the concept of merged reality. 近日，英特尔公司推出了其名为Alloy项目的最新虚拟现实头戴设备。通过这一

你应该知道的11件事

你应该知道的11件事 A silhouette of a human being stands before you. Perhaps an old friend. Perhaps a neighbor. Perhaps a perfect stranger, like me. Here are 11 things we all need you to keep in mind 1. You never really know how much the peopl

名篇背诵10:独居的报偿

The other day an acquaintance of mine, a gregarious and charming man, told me he had found himself unexpectedly alone in New York for an hour or two between appointments. He went to the Whitney and spent the empty time looking at things in solitary b

CNN 2008-11-02

Hi everyone, I'm Asieh Namda at the CNN. com newsroom in Atlanta. Here is a look at what is happening NOW IN THE NEWS. The battleground states-they are top focus on the campaign trail. On the Republican side, Senator John McCain and Sarah Palin are

Film fest gives Beijing more cultural capital

BEIJING, April 28 (Xinhua) -- The second Beijing International Film Festival concluded on Sunday, with industry insiders hoping that the festival will create a new global perception of Beijing and the Chinese film industry. As the birthplace of China

万物简史 第369期:进入对流层(10)

At the equator the convection process is generally stable and the weather predictably fair, but in temperate zones the patterns are far more seasonal, localized, and random, which results in an endless battle between systems of high-pressure air and