英语听力：自然百科 南极物种大发现

Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct

北师大版高中英语模块7--Unit 22 lesson1-2

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

英语听力：探索发现 科学新发现：我们的大气层-12

Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives this movement. When solar energy reaches earth, it heats the surface and atmosphere, but it does so

万花筒 2013-07-04&07-08 探索太阳：NASA发射一颗新型太阳观测卫星

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

VOA标准英语2014--Study: Warmer World Will Produce Fewer Clou 气候变暖导致云层变少

Study: Warmer World Will Produce Fewer Clou 气候变暖导致云层变少 With rising global carbon emissions, the planet will heat up and cloud cover will dissipate, according to a new study. The concentration of heat-trapping carbon dioxide in the

英语听力：自然百科 圣河之旅 The Nile尼罗河—13

Officials here say this dam will help to lift the country out of poverty. Its a persuasive argument, but economic development here as it does everywhere, comes at a moral and ethic cost. Behind the dam, a vast track of wilderness will be submerged un

英语听力：自然百科 圣河之旅 The Nile尼罗河—16

-In summer, the temperature reaches more than 48 degrees Celsius. We are using this bigger cooling fans. We are using these misters. All these together reduce the temperature by 20 degrees Celsius from outside. The cows produce up to three times as m

CCTV9英语新闻：中国北方人们遭受热浪袭击气温高升

There are high temperatures throughout northern China, with some cities exceeding 35 degrees Celsius. The weather authority says that Beijing and Tianjin, and regions along the Yellow River and Huaihe River are expected to endure temperatures as high

美国科学60秒 SSS 2013-05-07

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

英语听力：自然百科 行星旅行：土星 Saturn—13

Planet earth never attempted to land on such a distant world before. With Huygens probe on final approach to Titan, operations switch to European mission control. The probe hurtled into Titans atmosphere at 6km a second, the atmosphere would have bee

英语听书《海底两万里》第380期 第25章 地中海四十八小时(6)

THE ATLANTIC! A vast expanse of water whose surface area is 25,000,000 square miles, with a length of 9,000 miles and an average width of 2,700. 大西洋：广阔的水面，面积共有二千五百万平方海里。长九千海里，宽平均二千七

精灵鼠小弟 第37期:鼠小弟遇上的最糟的事情

Still hanging on to his skates, Stuart tried to make his way up to the surface of the garbage, but the footing was bad. 身上带着冰鞋的斯图亚特，想爬到垃圾的顶上去，可是脚却不好使了。 He climbed a pile of coffee grounds,

Cold fronts to chill China, bring rain to south

BEIJING, Nov. 25 (Xinhua) -- Two strong cold fronts will sweep China during the next two days, bringing temperature drops across the country and rains in south China, the National Meteorological Center (NMC) forecast on Sunday. A cold front moving ea

CCTV9英语新闻：长江沉船事故现场救援:已有12人获救生还 5具遗体被找到

Twelve people have been rescued and five bodies have been recovered as rescue efforts continue after a passenger ship sank late Monday night on a section of the Yangtze River in central China's Hubei province. Rescuers work near the ship sinking site

IBM制作出世界上最小的电影

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

全球气温或达到历史新高

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

World's highest altitude swimming race kicks off

GUIDE, China, Jan. 12 (Xinhua) -- The 3rd International Extreme Race of Winter Swimming across Yellow River started here in northwest China's Qinghai Province on Saturday. Being hosted in Guide County at an altitude of 2,200 meters in Tibetan Plateau

英文作文-小学Look at the Yangtze River

Today, we came to the city of Wuhu in Anhui, Wuhu Yangtze River side is a beautiful city. Good morning, bright red rising sun, the horizon of Yunxia red. Zhaoxia magnificent in the vast Jiang Yinghong surface. Like a fairy of the Red Silk Cut, the ri

关节疼痛真的可以预测天气吗

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧，气压变化有可能是