新东方优美背诵短文50篇 Unit44:Obtaining Fresh water from icebergs

44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con

英语听力：探索发现 2012-12-30 冰河新新州 Ice Age Oasis—8

But how did one man and a spear produce the huge force behind this blow? The answer lies with small bits of ivory like this. They were once part of an atlatl, or spear thrower. An atlatl acts as a sort of catapult, magnifying the strength of a hunter

新东方优美背诵短文50篇 Unit37:Icebergs

37 Icebergs Icebergs are among natures most spectacular creations, and yet most people have never seen one. A vague air of mystery envelops them. They come into being ----- somewhere ------in faraway, frigid waters, amid thunderous noise and splashi

2006年VOA标准英语- An Inconvenient Truth: a Controversial Film

By Rosanne Skirble Washington, DC 31 May 2006 watch Film Review report Al Gore, a longtime advocate for the environment and former vice president of the United States, developed a slide show about the threat posed by global warming. Over the last si

美国科学60秒-SSS 2015-06-24

This is Scientific American-60 Seconds Science.Im Julia Roson.Got a minute?The worlds mountain glaciers contain just 1%of all the ice on earth.But their rapid melting accounts for about a third season sea level rise.Most of these glaciers that starte

英文书摘精选 Rototillers Of The Rockies落基山脉的旋耕机

Todays Moment of Science digs up the story behind one of the grizzly bears more unusual nicknames: the Rototiller of the Rockies. 今天科学一刻将会深入挖掘灰熊的一个不同寻常的绰号背后的故事，这个绰号就是落基山脉的

奥巴马每周电视讲话：总统庆贺国家公园管理局设立100 周年（02）

We're revitalizing a grove of giant Sequoias in Yosemite; repairing the Lincoln Memorial; 我们将重新开放优诗美地的巨杉树林；修缮林肯纪念堂； and enhancing the iconic entrance to our first national park at Yellowstone. 加固通

2007年VOA标准英语-US Scientists Say Pollution Accelerates Melting

By Heda Bayron Hong Kong 05 August 2007 An aerial view of the Siachen Glacier, northwest of Jammu, India U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers.

VOA标准英语2010年-Greenland Ice Island Prompts Global Wa

A massive ice island has broken off the coast of Greenland. Heat waves, droughts and floods have been wreaking havoc across the globe in recent weeks, and now scientists say a 250 square kilometer island of ice has broken off from a glacier in Greenl

英语听力：自然百科 圣河之旅 The Ganges 恒河—5

From their origins of melting glacier in the high Himalayas, thewaters of Ganges descend more than 12,000 feet, carving their way throughprecipitous gorges. There is half a mile drop. Although the Ganges is steepedin history and religious tradition,

英语听力：自然百科 大迁徙 Great Migrations—3

Apprentice killers wait for their taste of the chase. But they're about to learn that hell has no fury like a zebra protecting her foal. Older cheetahs know the value of patience. Soon, the herd will move on. Hungry eyes turn to one of the last-born

英语听力：自然百科 黄石公园的夏天 Yellowstone—11

The living is easy. But it won't last long. At this altitude, the air is so dry that rain evaporates before it even hits the ground. The water that flows off the plateau is no longer being replaced. Already there is drought in forests beyond the mead

英语听力：自然百科 黄石公园的夏天 Yellowstone—16

Bison calves are more independent of their mothers. The adults' focus is now set on a ruthless competition to mate. A male bids to enter a herd with females in season. He uses dust to accentuate all his size and power. Another male already establishe

英语听力：自然百科 鲨鱼湾的海豚—10

Traveling at speeds of up to about 20 miles,they drive the mullet onto the beach.Trapped,the fish have no way to turn.Flattening out their bodies like surf boards,they skim in just inches of water. The surf mums are the only dolphins in the world who

CCTV9英语新闻：意大利博物馆高山野生动物航空显示

A visit to the northern Italian city of Trento, where a unique science museum is making quite a name for itself. The museum has found an original way to showcase the wildlife of the Alps. The exhibition, named From the glacier to the forest, has the

VOA标准英语2012--Study: Warm Ocean Speeds Antarctic Melting

Study: Warm Ocean Speeds Antarctic Melting The study's lead author, Hamish Pritchard, is a glaciologist with the British Antarctic Survey. In 1993, and again in 2003, he observed the collapse of two ice shelves on the Antarctic Peninsula. He says the

英语PK台 第290期:小李子联合国《巴黎气候协定》精彩演讲(1)

Section 1 Thank you, Mr. Secretary General, for the honor to address this body once more. And thanks to the distinguished climate leaders assembled here today who are ready to take action. 谢谢秘书长先生再次给我机会让我站在这里发言