2014暑假40天突破英语四级听力第5天

Russian Prime Minister calls for ban on smoking in public

World Prematurity Day aims to lower rates of premature births

US Congress demands inquiry into Petraeus resignation

Taylor Swift's 'Red' among 2012's best sellers

Scandals highlight ethics lapses in military(视频)

Obama victory driven by economy, turnout

'Gangnam Style' boosts S.Korean tourism

Ethiopia permits mobile banking and money services

US 'patriotic millionaires': 'tax us more'

New medical tape reduces pain for newborns, older adults

His imagination redefined children’s literature

Did hurricane Sandy send a climate warning?

Experts work to develop better tools to predict severe weather

American history: The shot heard around the world

UN chief warns of perils ahead of climate change conference

New study could change treatment for asthma

President Obama wins second term

Words and their stories: top brass

Obama, House Speaker take positions on budget before negotiations

Blake Shelton wins big at CMA Awards

Global warming might threaten water supply

Experts not hopeful about Doha climate conference(视频)

Is eating like our ancestors good for us?

DC dinosaur hunter; New family movies

Puberty lessons for African girls may raise attendance

Relations between Britain and its American colonies

Ukraine feminists campaign against sex tourism(视频)

Defense Department investigates top American Commander in Afghanistan

Celebrities support US presidential candidates

New York officials work to curtail price gouging