全国公共英语四级考试大纲概述

IB program aims to form 'students of the world'(视频)

From Giverny to Bronx: 'Monet's Garden' flowers in NY(视频)

Dire warnings issued on diminishing Arctic ice(视频)

Reality of mormon life more complex than Romney image(视频)

US automakers bet billions on Russian car boom

Worries about rising food prices may ease

Can social media improve voter turnout?

Nokia, Microsoft promote new phones

Carlsbad Caverns National Park in New Mexico

A UN warning about chemical dangers

Chinese invest in Italian soccer club(视频)

Mideast protests spark debate over free speech, religion(视频)

After long fight, DC wins right to a statue in the Capitol Building

US beefs up security after embassy attacks(视频)

American's first exchange students from China

Turning industrial waste-heat into electricity

Vietnamese-American doctor helps rebuild bodies, lives(视频)

Teens help revive California nature

Words and their stories: Let's do business

National 9/11 museum at standstill as anniversary nears

Cancer drug finds HIV hidden in the body

US drought renews debate on biofuel

Refugee camps spread life-threatening diseases

US firms prospering in Asia, Russia(视频)

Tons of methane gas could be trapped under Antarctica

Somalis in US optimistic about changes back home(视频)

'War of 1812' flag still inspires after 200 years

Driving with GPS can be difficult to navigate

CPJ: Journalists need new ways to stay safe

Uneven signs of growth in the transport industry