CNN 2010-03-24

Well that's a pressure cooker of a day on Capitol Hill as we wait and wonder how this vote for healthcare plays out, the final vote is expected Sunday and Democratic house leaders are trying to convince undeclared members to vote yes. 216 votes are n

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The deserts of the southwestern United States stretch, in an irregular pattern, from Oregon southward to beyond the Mexican border and from California to West Texas. Although they vary widely in terrain and temperature, these lands share one trait: e

Horizon - Life On Mars 火星生命 - 3

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

河北加拿大版初中英语--Lesson 16

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英语听力：探索发现 科学新发现：我们的大气层-18

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

英语听力文摘 English Digest 520、火山与水

Volcanos and Water Firefighters use water to battle a towering inferno.You might wonder if water could also stifle an erupting volcano. Actually, this experiment happens every time a volcano erupts at the bottom of the ocean. What happens when a volc

新西兰英语 771 Budget money for water storage

First, listen to March 4th 2013 to hear about drought on farms this past summer. The Minister for Primary Industries, Nathan Guy said that in the long term the government wants to invest $400m in regional water irrigation. In the short term, the Budg

儿童英语小故事 47. The Snow Melts on the Ground

It is early afternoon. She looks out the window. She sees the snow. The snow falls from the sky. There are many snowflakes. They fall fast. They hit the ground. They melt on the ground. She is unhappy. She wants to make a snowman. But there is no sno

56. This Hole in the Ground

There was once a farmer who lived near a road. It was not a busy road, but from time to time, cars passed the farm. Near the farm gate, there was a large hole in the road. This hole was always full of

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Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

AGRICULTURE REPORT - Exploding Meat

AGRICULTURE REPORT –August 20, 2002: Exploding Meat By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientist Morse Solomon has developed an unusual method to make meat s

2007年VOA标准英语-Democrats to Keep Pressure on Bush Over Iraq Fu

By Dan Robinson Capitol Hill 02 May 2007 Majority Democrats intend to maintain pressure on President Bush over Iraq in coming months, despite the president's veto of war funding legislation containing a timeline for withdrawing U.S. forces. VOA's Dan

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Todd: So, hey, Rebecca, speaking of environmental stuff, I was reading about a drought in Australia. You guys have a serious drought problem with water. Rebecca: Yeah, we do. We've had a drought for some time now and it seems to be getting worse and

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society, that first brought civilization to the desert. Far from just scraping by in this harsh landscape, the Garamantes were flourishing. They grew crops, such as cereals and grapes. They kept horses and pigs. Clearly, they needed large amounts of

英语听力：自然百科 神奇水世界 Water-9

But the human's struggle to pin down water is forever balanced on a knife edge. Get that balance wrong, and you pay the price. For all their ingenuity, the Garamantes over-exploited their ground water. Eventually, it ran out, and so did their civiliz

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There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

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The ground may feel solid, but far beneath our feet, extremely hot rock at extremely high pressure is flowing like slow, underground rivers. No one has ever seen that far into the earth, but we see the results of that movement in every earthquake and

科学喝水要知道的4件事

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

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Todd: So, hey, Rebecca, speaking of environmental stuff, I was reading about a drought in Australia. You guys have a serious drought problem with water? Rebecca: Yeah, we do. We've had a drought for some time now and it seems to be getting worse and