第一册课本听力(上)Unit10 integrating skills

Without air, water and sunlight there would be no living things. Because they are so important, ecosystems try to be very careful with these valuable resourses. Human beings often throw away things they have used only once. In good ecosystems, resour

VOA慢速英语2018--专家担心道路盐有害美国水质

Experts Worry That Road Salt Harms US Waters Communities in the Northern parts of the United States have used salt to keep icy roads safe during winter for many years. But, some experts now say salt harms nearby fresh water supplies. Putting salt on

VOA标准英语2012--Tree Deaths Linked to Climate Change

Tree Deaths Linked to Climate Change Stanford University graduate student William Anderegg has seen this forest die-off firsthand. His doctoral thesis documents the impact of drought on trembling aspen, the most common tree in North America. These ar

VOA标准英语2012--Wastewater Key to Sustaining Life

Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G

VOA标准英语2010年-US Oil Spill Stokes Fear in Florida

Opposition to offshore drilling grows even though oil slick is still far from Florida Brian Wagner | Key Largo, Florida 14 May 2010 The gulf oil spill is still hundreds of kilometers from Florida, but local businesses worry about the impact it could

VOA标准英语2010年-Sierra Leone Working to Save Mangrove

Sierra Leone is working to preserve the ecosystem of coastal mangrove swamps that are threatened by people collecting firewood and harvesting salt. Harvesting salt along the coast of West Africa is an age-old business. But today conservationists say

VOA标准英语2009年-Illegal Mining Threatens Liberian Rainforest

West Africa's second-largest rainforest is under threat from illicit mining and hunting according to one of Liberia's top environmental officials. More than 20,000 people are thought to be living illegally in Liberia's Sapo National Park. As part of

VOA英语2010年-Mummified Forest Reveals Clues About Climate

A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif

VOA标准英语2012--Meat Was Main Dish for Early Humans

Meat Was Main Dish for Early Humans Modern-day humans eat a lot of meat. Some nutritionists say perhaps too much. But fossils in Tanzania indicate that early humans considered meat a dietary staple much earlier than first thought. Whats more, meat ma

VOA标准英语2011--Scientists Infect Mosquitoes to Stop Den

Scientists Infect Mosquitoes to Stop Dengue Australian researchers report success in attacking the insects that carry the dengue virus, a rarely fatal disease that nonetheless takes a huge toll in sickness and economic loss in the tropical areas wher

VOA标准英语2014--Grassroots Activists Awarded Goldman Environmental Prize

Grassroots Activists Awarded Goldman Environmental Prize Grassroots environmental activists from six regions of the world were awarded with the 2014 Goldman Environmental Prize in San Francisco Monday. Each year the $175,000 award recognizes individu

美国国家公共电台 NPR Wave Of Capitalist Optimism Sweeps Across Paris

STEVE INSKEEP, HOST: When France elected a new president, Emmanuel Macron received the most attention for what he was not. He was not the far-right nativist candidate he defeated. Now that he is president, there's more room to ask who Macron is, or m

美国国家公共电台 NPR Apple Looks To Compete With Netflix Originals, But Making Hits Is Hard

RACHEL MARTIN, HOST: It used to be the only place to find great television was on the big broadcast networks, then cable was where all the best stuff was airing. More recently, Netflix and Amazon have been racking up the Emmys. And now Apple wants a

科学美国人60秒 SSS 2016-8-03

When it comes to wine, the concept of terroir is sort of a nebulous thing. Terroir is sometimes translated as the wines character. Here's how my friend Valerie, a wine importer, explained it: I would say terroir is a specific set of natural elements

英语听力：自然百科 海湾地区重兴珍珠采集业

Tucked away in the United Arab Emirates northernmost region, a very delicate experiment is underway to bring some luster back to the regions pearl industry. Since 2005, one company has been cultivating pearls commercially, the first such modern opera

英语听力：自然百科 虫虫兄弟—23

It's been a long day for the male spider. He's been flushed out of house and home, nearly battered to death. But finally he's found his match and the date's a disaster. The vibes of the worst kind, she wants his body, all of it. Some female spiders e

VOA标准英语2010年-Citizen Growers Become Oyster Caretake

In 2008, on a private pier on the Tred Avon River, Maryland Gov. Martin O'Malley kicked off an effort to get property owners along state rivers to become caretakers for oysters. The Marylanders Grow Oysters program began with 250 families and has exp

英语听力精选进阶版 6375

It's not every day that you find a motorcycle or a concrete dock washed ashore, but that's what people on the West coast of the United States have been spotting. These items were among debris from the March 2011 tsunami in Japan. It's been estimated

2018年CRI Lunar Palace 1 opens to public to mark China Space Day

This Tuesday is marking China's third Space Day. To mark the occasion, Lunar Palace 1, a bioregenerative life support system at Beihang University in Beijing, opened to the public during the weekend. Our reporter XYee has more. A main goal of Lunar P

英语听力精选进阶版 6245

Sharks attack tourists at holiday resort 埃及红海海域鲨鱼出没攻击游客 What do you expect when you go on holiday? Probably to relax, have a good time and above all, stay safe. Sometimes natural disasters, such as a hurricane or an erupti