VOA慢速英语2015 大堡礁遭遇前所未有的污染

Great Barrier Reef Choking on Pollutants 大堡礁遭遇前所未有的污染 Attempts to protect the Great Barrier Reef are failing. A report released Monday by the government in Australia says water quality in the Great Barrier Reef is far below wh

SSS 2008-05-22

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

SSS 2008-09-24

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

SSS 2009-11-26

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

托福听力短文 II-09-1

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

‘One-in-a-Billion’ Dinosaur Discovery

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

Atlas Shows Coral Reefs Shrinking Fast

By Rosanne Skirble Coral reefs are home to the greatest diversity of plant and animal life found in any habitat, anywhere on the earth. But, while they are found in 101 countries and territories, the

SSS 2009-07-01

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

SSS 2009-03-12

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

SSS 2010-04-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

VOA标准英语2012--Lake Sediment Could Better Date Ancient Finds

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

TED演讲:探索世界最深洞穴(8)

What then of manned space exploration? 那载人的空间探索呢？ The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

Chinese Help Rebuild New York

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

英语听力：自然百科 大堡礁：珊瑚礁到雨林—29

But there are now less than 2,000 living here, and they are becoming rarer all the time.-Before European settlers arrived, much of the coast here was covered in forest. And a lot of that was jungle just like this. This is a vibrant ecosystem in its o

经济学人69:欢迎来到人类纪

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式，现在，人类不

New Discoveries Suggest Earlier Settlement of Americans

The first human inhabitants（居民 ） of North America settled at least 2,500 years earlier than the people previously identified as the first Americans. So say archaeologists, who have unearthed a trove of stone artifacts belonging to the early A

澳科学家警告海平面上升问题

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

目标6分--你的阅读应该做点啥

首先，我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说，但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了，回家之后基本上就直奔安乐窝了。能够

再别康桥英文版

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

托福阅读备考之长难句分析

世界本没有长难句，修饰成分多了，便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？