2012-02-08 所属栏目:标准英语|常速英语下载|在线收听

2012-02-08 所属栏目:标准英语|常速英语下载|在线收听

2012-02-08 所属栏目:标准英语|常速英语下载|在线收听

2012-02-08 所属栏目:标准英语|常速英语下载|在线收听

2012-02-07 所属栏目:标准英语|常速英语下载|在线收听

2012-02-07 所属栏目:标准英语|常速英语下载|在线收听

2012-02-07 所属栏目:标准英语|常速英语下载|在线收听

2012-02-07 所属栏目:标准英语|常速英语下载|在线收听

2012-02-07 所属栏目:标准英语|常速英语下载|在线收听

2012-02-06 所属栏目:标准英语|常速英语下载|在线收听

2012-02-06 所属栏目:标准英语|常速英语下载|在线收听

2012-02-06 所属栏目:标准英语|常速英语下载|在线收听

2012-02-05 所属栏目:标准英语|常速英语下载|在线收听

2012-02-04 所属栏目:标准英语|常速英语下载|在线收听

'Almost like vaccination'

The Rainbow papaya was released in 1998.U.S. Department of Agriculture scientist Dennis Gonsalves helped develop the new fruit variety, called "Rainbow" papayas. And he

2012-02-04 所属栏目:标准英语|常速英语下载|在线收听

Massage not only feels good, it does good. It is a regular feature of locker rooms, to soothe the overworked muscles of athletes, and physical therapy sessions, to help patients recover from injuries.

2012-02-04 所属栏目:标准英语|常速英语下载|在线收听

The medical aid group Doctors Without Borders works in many of the world’s hot spots, including Somalia, Afghanistan and the Palestinian Territories. However, humanitarian assistance often depends on

2012-02-04 所属栏目:标准英语|常速英语下载|在线收听

Frostbite, sleep-deprivation and harrowing descents in pitch blackness are all part of the strange allure of the Arrowhead 135, a two-day 135 mile (217 kilometer) race that takes place each winter in

2012-02-04 所属栏目:标准英语|常速英语下载|在线收听

Top U.S. intelligence officials say Iran is keeping open the option to develop nuclear weapons, but has not yet made the decision to build a bomb. Analysts say if Tehran makes such a decision, it wil

2012-02-03 所属栏目:标准英语|常速英语下载|在线收听

A pilot project gets underway soon to test whether mobile phones can be used to help educate the poor. It’s estimated three quarters of the world’s poor have access to mobile phones.More and more pe

2012-02-03 所属栏目:标准英语|常速英语下载|在线收听

U.S. officials say Iran is increasingly active in backing Syrian President Bashar al-Assad's campaign of violence against his own people. As opposition attacks against the Syrian government grow, U.S

2012-02-03 所属栏目:标准英语|常速英语下载|在线收听

Experts say it's the largest coordinated effort ever - to fight diseases that are widespread, but normally don't get much attention. The new initiative launched in London this week has drawn almost

2012-02-03 所属栏目:标准英语|常速英语下载|在线收听

Immigrants are often caught between the cultures of their homeland and their adopted country. Mexican American playwright Josefina Lopez is showcasing the struggles of Latino immigrants through film,

2012-02-02 所属栏目:标准英语|常速英语下载|在线收听

New studies suggest that weak land rights are fueling a land rush in Africa and elsewhere. The findings say the sell-off of forests and other prime lands to developers could trigger widespread civil u

2012-02-02 所属栏目:标准英语|常速英语下载|在线收听

Every day, and certainly on Sunday when many newspapers produce a separate comics section, millions of Americans check out the strip called “Dilbert,” created by cartoonist Scott Adams. It satirize

2012-02-02 所属栏目:标准英语|常速英语下载|在线收听

NATO defense ministers meet in Brussels this week to discuss the way forward in Afghanistan, among other issues. The previously-scheduled gathering comes in the wake of the French president’s announ