新东方优美背诵短文50篇 Unit39:The Salinity of Ocean Waters

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

Earth and Sky:Aqua Spacecraft 水资源监测太空船

Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This

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.

60秒科学:Do Rainforests Create Rain?

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

万花筒 2012-02-07&02-10 手机再也不怕水！？

A cellphone rests in its watery-grave,a distressing sight for cellphone users everywhere. But this one, isn't dead. Hello, this Alexan,thanks for calling ,welcome, how may I help you?Liquipel is a start-up company based in Santa Ana, California. It's

SSS 2009-05-07

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

SSS 2011-12-12

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

英文短文：The Salinity of Ocean Waters

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

本世纪末全球气温至少上升4摄氏度

科学家估计，如果不减少二氧化碳排放，2100年地球平均气温将至少上升4摄氏度，到2200年会上升8摄氏度，无疑是地球灾难性的噩梦。 此前有科学家用气候模型分析称，全球气温将受二氧化碳排

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

Vast water vapor beyond solar system found

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

美国语文第六册 第49期:生命之虚妄(1)

Man, born of woman, is of a few days, and full of trouble; 人从呱呱落地，只是短暂的几天，麻烦不断； He cometh forth as a flower, and is cut down; 他初如鲜花哪堪折； He fleeth also as a shadow, 像影子一样循去， And

VOA标准英语2009年-Fish Kills Linked to Water Pollutants

By Zulima Palacio Washington 19 October 2009 Scientists dissect fish from a river near Washington, DC Since 2002 thousands of fish in the United States have died and continue to die in many rivers, most in the rivers of the southern east coast. Rese

英语小达人 299 What the Student Say in Science Classes

What the Student Say in Science Classes 自然科学课上学生们都说了什么 The following quotations were gleaned from classroom discussions in 5th and 6th grade science classes. 下面的这些话都是从五六年级的自然科学课的课堂

Sugarcane can cool climate, study finds

LOS ANGELES, April 18 (Xinhua) -- Sugarcane（甘蔗） has the effect of cooling temperatures(温度) , thus playing role in stemming global warming, a new study has found. Sugarcane does so by reflecting sunlight back into space and by lowering the

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

万物简史 第386期:浩瀚的海洋(5)

There are 320 million cubic miles of water on Earth and that is all we're ever going to get. 地球上有13亿立方公里水，这是全部。 The system is closed: practically speaking, nothing can be added or subtracted. 系统已经关闭，说得明

英语听书《白鲸记》第735期

How obvious it is it, too, that this necessity for the whale's rising exposes him to all the fatal hazards of the chase. 鲸既然必需这样冒出水面来，那么，它显然就有遭到追击的一切生命攸关的危险了。 For not by hook o

双语有声阅读：海水盐度

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

双语有声阅读：詹姆斯·瓦特和水壶

James Watt And The Teakettle A little Scotch boy was sitting in his grandmother's kit- chen. He was watching the red flames in the wide open fire- place and quietly wondering about the causes of things. In- deed, he was always wondering and always wa