2014英语四级听力场景解析购物场景

Slow progress on curbing deforestation expected at climate conference

Violin maker keeps family tradition alive

French experts question GMO cancer study

Research grows through citizen science

Number of Chinese students in US dramatically expands

Arrests in the shooting of a Pakistani schoolgirl

World AIDS Day 2012 more hopeful than in past

United Nations report urges

Interfaith worshipers celebrate sea, surf

Visit to a medical museum

Clowning around; making magic; hair care for less

Rare fungal meningitis outbreak in United States

Environmentalists worried over increased production of autos

Mobile phones could help efforts to end malaria

High and fast: the X-15 reached the edge of space

Wastewater plants extract nutrients from sewage

Nobel Prize in economics recognizes 'market designers'

Musical legend Chuck Berry still reeling and rocking on stage at 86

Was Jesus married?

Words and their stories: Fall guy

Maryland shop cooks up chocolate vote

Many millions suffer from depression

Serving farm-fresh meals at the farm

Pirate attacks are down in 2012

Falconer uses birds to give young people hope

Marian Anderson: Her voice became famous around the world

Student street clinic helps homeless(视频)

Polio victim searches for love in 'The Sessions'

America's break with Britain divides families and friends

NYC schools expand birth control availability