新东方背诵文选 L50. Cells and Temperature

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

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

Alien Neighbors 寻访外星人 8

(NASA Administrator Dan) Golden accepts that the search for life on Mars is not over.

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

北师大版高中英语模块10--Unit28(3)-1

[00:00.00]Unit 28 [00:06.16]Listening [00:07.62]Self-help books [00:10.10]3 The advice you will hear comes from two books [00:15.20]one gives serious advice,the other is a joke. [00:19.02]Listen and mark the headings for a)-i) [00:22.93]in Exercise 2

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—10

But he soon wises up. The thick neck absorbs the blows .The delicate brain is cushioned beneath the core of hollow horns. He defends his claim and relocates his harem. But one challenger won't give up so easily. They can crash at nearly 100 km/h. Eve

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

2007-10-18, Molten Lava Lake - 熔岩湖

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

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,

Cold front to drop temperatures in north China

Cold front to drop temperatures in north China BEIJING, Oct. 20 (Xinhua) -- China's meteorological authorities on Saturday forecast strong winds and temperature drops in most regions in the north due to a sweeping cold front. On Saturday and Sunday,

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

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

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

Lake Of Autumn（中英对照）

I remember quite clearly now when the story happened. The autumn leaves were floating in measure down to the ground, recovering the lake, where we used to swim like children, under the sun was there to shine. That time we used to be happy. Well, I th

音乐咖啡厅:Tamas Wells - The Crime At Edmond Lake

音乐咖啡厅:Tamas Wells - The Crime At Edmond Lake 相关介绍：不用过多介绍Tamas Wells了吧！2010Tamas Wells终于再次发专。如同以往专辑一样，干净的嗓音，清新的吉他，简单的歌词，这就是Tamas Wells的风格

Microsoft launches "Surface" Tablets

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

英语歌曲:布鲁斯 Tech N9NE - Check Yo Temperature

饶舌:Tech N9NE - Check Yo Temperature 相关介绍 ：2008年9月是Tech N9NE事业的一个里程碑，他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日，Rock The Bells 2009 Festival邀请他来做演出，今年10月的

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