2011-12-24 所属栏目:标准英语|常速英语下载|在线收听

American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease spread by mosquit

2011-12-24 所属栏目:标准英语|常速英语下载|在线收听

The holidays are here, and with them, a crescendo of special music reserved for this season.But along with “Jingle Bells,” “Silent Night” and “Santa Baby,” towers the “Messiah.” Eighteenth cen

2011-12-23 所属栏目:标准英语|常速英语下载|在线收听

The U.S. government has asked two scientific journals not to publish key details of a federally-funded experiment that created new, more infectious strains of a deadly bird flu virus. Government bios

2011-12-23 所属栏目:标准英语|常速英语下载|在线收听

In September 2000, the United Nations approved the Millennium Declaration. It set the stage for the Millennium Development Goals, which are due to be achieved in 2015. But have the MDGs brought meanin

2011-12-23 所属栏目:标准英语|常速英语下载|在线收听

There are encouraging signs for the world's largest economy as 2011 comes to an end. American consumers are spending more, the housing market is improving, and employers are laying off fewer workers.

2011-12-23 所属栏目:标准英语|常速英语下载|在线收听

Pakistan and the United States have maintained a critical strategic partnership for the past 10 years despite tense relations over the war in Afghanistan and U.S. suspicions that Islamabad maintains t

2011-12-22 所属栏目:标准英语|常速英语下载|在线收听

For the first time in modern history, more people are now living in cities than in rural areas. That includes doctors, leaving many small communities with no primary care physician. However, a new pro

2011-12-22 所属栏目:标准英语|常速英语下载|在线收听

Uganda's universities normally face leadership challenges but now they face a challenge from the country's leader. In speeches across the country, Ugandan President Yoweri Museveni has been chastis

2011-12-22 所属栏目:标准英语|常速英语下载|在线收听

In 1931, famed author James Truslow Adams popularized the term "American Dream". He said "life should be better and richer and fuller for everyone, with opportunity for each according to ability or a

2011-12-21 所属栏目:标准英语|常速英语下载|在线收听

When New York resident Lauren Todd saw a photo of the "I’m too pretty to do homework" T-shirt on Facebook last August, she was so annoyed, she started a petition on the social action website Change.o

2011-12-21 所属栏目:标准英语|常速英语下载|在线收听

More than 10 percent of Americans have some form of hearing loss. Even with a hearing aid, deciphering sounds in places like airports, theaters and places of worship can be tough.However, a not-so-new

2011-12-21 所属栏目:标准英语|常速英语下载|在线收听

The Global Partnership for Education has launched a three-year effort to put 25 million children in the classroom for the first time and train 600 thousand teachers. It calls education one of the most

2011-12-21 所属栏目:标准英语|常速英语下载|在线收听

It’s weird beer time in America.Beer and ale are already available, any time of year, in familiar varieties: lager, pilsner, stout, India pale ale. But perhaps inspired by candymakers and coffee bar

2011-12-21 所属栏目:标准英语|常速英语下载|在线收听

This month marks the 20th anniversary of the collapse of the Soviet Union. It was the foreign policy of Mikhail Gorbachev, the last Soviet leader, that contributed to the demise of the Soviet Union.Mi

2011-12-20 所属栏目:标准英语|常速英语下载|在线收听

The holiday season is traditionally a time for celebration and gift giving. But for New Yorkers facing dire health, financial or other challenges, life is far from merry. For 100 years, The New York T

2011-12-20 所属栏目:标准英语|常速英语下载|在线收听

A stirring new drama directed by Steven Spielberg is winning critical praise, including Best Picture nominations for the Golden Globes and Critics Choice Awards. It is based on an award-winning play a

2011-12-20 所属栏目:标准英语|常速英语下载|在线收听

For many years, actors whose ancestors came from Asia and the Pacific Islands landed few major roles in Hollywood. And when they did appear, they were often typecast. But recently, the face of Asian P

2011-12-20 所属栏目:标准英语|常速英语下载|在线收听

Feel like getting the blues? Budding bluesmen are making strides with brand new recordings.Shane Dwight Shane Dwight is one of Nashville’s most talked about guitar players. He’s certainly one of i

2011-12-19 所属栏目:标准英语|常速英语下载|在线收听

A new controversy over Islam has arisen in the United States, this time over a reality TV show that profiles Muslim Americans and a home improvement chain's decision to pull its advertising from the

2011-12-19 所属栏目:标准英语|常速英语下载|在线收听

There's some promising news about breast cancer treatment. In clinical trials at Johns Hopkins Cancer Center in Baltimore, Maryland, doctors report they successfully pumped cancer-fighting medicine d

2011-12-19 所属栏目:标准英语|常速英语下载|在线收听

Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step closer to find

2011-12-18 所属栏目:标准英语|常速英语下载|在线收听

Cairo reporter Edward Yeranian tells us about the scene in Tahrir Square, where he was briefly caught between police and protesters.Clashes between Egyptian police and stone-throwing protesters have r

2011-12-18 所属栏目:标准英语|常速英语下载|在线收听

A top U.N. advisor said on Friday that every minute, 23 hectares of land are degraded by drought and desertification. He said it’s damaging the economic, social and environmental pillars needed for s

2011-12-17 所属栏目:标准英语|常速英语下载|在线收听

The U.S. secretary of defense is visiting NATO ally Turkey. He arrived in the Turkish capital, Ankara, after attending a withdrawal ceremony Thursday in Bagdad of American troops all of whom are due t

2011-12-17 所属栏目:标准英语|常速英语下载|在线收听

The World Health Organization estimates that more than one-third of a billion people worldwide have diabetes. Now scientists in California have developed a new approach to treating diabetes which migh