Scientists can learn about man by studying animals, 阅读理解答案
Medical experts debate value of alcohol use
Breathe Carolina re-releases
After Sandy, Wall Street closed for 2nd day
President Obama wins second term
Obama victory driven by economy, turnout
Condition of oceans affects human health
Words and their stories: top brass
Hurricane Sandy reignites climate change debate
Russian Prime Minister calls for ban on smoking in public
American Red Cross feeds hungry after hurricane
Edwin Hubble changed our ideas about the universe
Are smartphone apps encouraging young smokers?
Celebrities support US presidential candidates
Serving farm-fresh meals -- at the farm
Mae West, the wild woman of film and stage
Words and their stories: down to earth
For a person, belief always plays an important role in his life
Discounts at various bicycle shops.阅读理解答案
Florida Seniors split on medicare debate
Eleanor Creesy helped guide one of the fastest sailing ships ever built
Spain's economic crisis sparks Catalonia independence drive(视频)
Puberty lessons for African girls may raise attendance
We think that life in Chinese high school is an adventure阅读理解答案
Scientists dispute study of genetically modified corn
The Sahara Festival is a celebration of the very recent past.阅读理解答案
New York officials work to curtail price gouging
Growing girls who code
Gas shortages test patience of motorists following Sandy
The business of learning mandarin