高中英语作文素材：大足石刻

Convention to nominate president Obama for second term

New heart stents better than old ones, study says

US automakers bet billions on Russian car boom

What world leaders said at the UN

Health Experts: One last push needed to eliminate polio

The Occupy Movement turns one

Indicators show US economic recovery slow, uneven

Words and their stories: Nose and ear expressions

Cancer drug finds HIV hidden in the body

To avoid humans, tigers take night shift

Tree deaths linked to climate change

Easing pain in the sick and dying

Kenny Chesney's latest album builds on success

Scientists seek HIV vaccine using monkey model

A Hollywood movie producer helps develop mobile calendar application

'War of 1812' flag still inspires after 200 years

The legal battle between Apple and SamsungDownloa

Chinese invest in Italian soccer club(视频)

Learning First Aid: What to do until medical help arrives

American's first exchange students from China

National 9/11 museum at standstill as anniversary nears

US postal service wants Congress to make changes to its business model

A UN warning about chemical dangers

Worries about rising food prices may ease

Turning industrial waste-heat into electricity

Oil giants eye Arctic reserves

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

Somalis in US optimistic about changes back home(视频)

Using art to make summer school more interesting

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