CNN 2010-06-26

Today I accepted General Stanley McChrystals resignation as commander of the International Security Assistance Force in Afghanistan. I did so with considerable regret, but also with certainty that it is the right thing for our mission in Afghanistan,

英语入门对话：15 Talking about Life Events

1. When is your birthday? December 29(th) 2. What year? That's personal. 3. Were you born and raised here? No. I wasn't. 4. Did Sam grow up here? Yes, he did. 5. Where did Lisa go to school? In California. 6. Which university did Rick go to? Princeto

国家地理:Secret Yellowstone 黄石国家公园

Yellowstone National Park is a giant swatch of terrain. Ninety percent of it barely touched, wilderness. Hidden within, one of the most remote places in the Lower 48. Right here, no road in any direction for 22 miles. It's within the largest ecosyste

万物简史 第398期:浩瀚的海洋(17)

Millions of gallons of fresh water evaporate from the ocean daily, leaving all their salts behind, 每天有几百万加仑淡水从海洋蒸发，留下了全部盐分， so logically the seas ought to grow more salty with the passing years, but the

英语听力—环球英语 1418 Deep-Sea Discovery

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere

SSS 2008-05-22

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

英文短篇故事（纽约）58 The Seat Was Down Earlier

The apartment doorbell rang. Two men were there to clean out the kitchen and bathroom vents. Lou invited them in. One man took a ladder into the bathroom. The other man took a ladder into the kitchen. They removed the vent grills from high on each wa

乔布斯传 第8期:童年,被遗弃和被选择(4)

Silicon Valley 硅谷 The childhood that Paul and Clara Jobs created for their new son was, in many ways, a stereotype of the late 1950s. 保罗和克拉拉夫妇为他们的儿子创造的童年，从很多方面来说，都是20世纪50年代后期的

英语博客： All the tents in the backyard.

We've got a bunch of poles missing, said my husband *in a huff, as he got in his car to go to a meeting. He had been looking in the storage area above our garage for tents, and all that goes with them. We needed the tents because nine boys had come o

VOA标准英语2012--Unique Species of Shrimp, Anemones Thrive Near Caribbean Seafloor Vents

Unique Species of Shrimp, Anemones Thrive Near Caribbean Seafloor Vents The volcanic vents were discovered five kilometers down near the bottom of Cayman Trough - an undersea trench south of the Cayman Islands. Expedition co-leader Jon Copley, a mari

TED演讲:可能存在生命的三颗卫星和一颗行星(5)

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

英文短篇故事（纽约）167 The Laptop Hums Loudly

Alan turned his laptop on. The fan started humming loudly. It was a loud, steady hum. Alan could hear the hum from ten feet away. It hummed until he turned his laptop off. He told his friend about the hum. His friend said there was dust near the fan.

绿箭侠第一季 第146期:泰德招募狄格尔

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Mars rover Spirit ends mission

LOS ANGELES, May 25 (Xinhua) -- NASA project managers bade farewell to the Mars rover Spirit on Wednesday after sending a final set of commands to the stranded vehicle. This marks the completion of one of the most successful missions of interplanetar

TED演讲：宏观历史(5)

Now, the going gets tougher. The next stage introduces entities that are significantly more fragile, significantly more vulnerable, 现在，（变化的条件）就更加苛刻了。下一个阶段是初次形成的个体，个体是明显更加弱小

万物简史 第434期:小生物的世界(5)

They have been found living in boiling mud pots and lakes of caustic soda, deep inside rocks, at the bottom of the sea, 我们还发现细菌生活在沸腾的泥潭里和烧碱池里，岩石深处，大海底部， in hidden pools of icy water in t

托福阅读背景之深海生物的生存

Once it seemed that the ocean floor was a desert of darkness. As everyone knew， sunlight was what made life possible by fueling photosynthesis， and sunlight can penetrate only the first few hundred yards of the oceans great depths. Lower， a few

万物简史 第335期:美丽而危险(18)

It's a kind of genetic photocopying, and it became the basis for all subsequent genetic science, from academic studies to police forensic work. 这一种复制基因的方法后来成了遗传科学的基础，无论是对于学术研究，还是对于

神秘的月球 第12期

And the answer that occurred to me first, 我首先想到的是 was it looked like another moon peeking out behind lo. 它看起来像是从木卫一后方露出来的另一个卫星 But when she looked closer she realised it 但仔仔观察后她才发

英语听力—环球英语 1039 Deep-Sea Discovery

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere