雅思写作常用词汇：进取心/区分

Words and their stories: baseball terms

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

Falconer uses birds to give young people hope

When my twin sons, Chad and Brad, were born, 阅读理解答案

West Nile surge keeps exterminator busy

Irrigation pioneer wins world food prize

Unusual Mars rock surprises rover scientist

Pirate attacks are down in 2012

French experts question GMO cancer study

Student street clinic helps homeless(视频)

It’s time to go back to school! Both Chinese and American阅读理解答案

I can still remember it as if it happened yesterday阅读理解答案

Are you a team player?阅读理解答案

Maryland shop cooks up chocolate vote

Jimmy Doolittle: a pilot and leader

Palestinians cheer UN General Assembly vote

Was Jesus married?

Whether you're a child, teenager, young adult or 阅读理解答案

Environmentalists worried over increased production of autos

Did you know that if you need an alarm clock to wake up in the morning,阅读理解答案

Wastewater plants extract nutrients from sewage

New report outlines strategy for HIV/AIDS

Scientists search for new ways to treat infection

World AIDS Day 2012 more hopeful than in past

Slow progress on curbing deforestation expected at climate conference

Words and their stories: Fall guy

Words and their stories: military expressions

NYC schools expand birth control availability

South pacific islands now totally powered by the sun

American history: Slavery in the American South