教学随笔 Unit12

Music classes in childhood may lead to changes in the brain

Clowning around; making magic; hair care for less

United Nations report urges

How overfishing threatens Asia's wild fish stocks

Meat was main dish for early humans

US presidential debate a 'Game Changer'(视频)

Refugee camps are a breeding ground for disease

'Haunted Houses' attract big crowds on Halloween

Polio victim searches for love in 'The Sessions'

West Nile surge keeps exterminator busy

American history: A new world clash of cultures

Conflict presses Syrian economy

Obama calls human tafficking 'slavery'

Seattle, 'City of Clocks' keeps on ticking

South pacific islands now totally powered by the sun

Words and their stories: Fall guy

Apollo's final missions: The last footsteps on the moon

Maryland man is real hero behind 'Argo'

US president chosen by electors, not popular vote

Number of Chinese students in US dramatically expands

Slow progress on curbing deforestation expected at climate conference

Colonizing expands in the American Northeast

Palestinians cheer UN General Assembly vote

Demand for wheat growing in Sub-Saharan Africa

Consumer spending will decline unless Congress averts fiscal cliff

Student street clinic helps homeless(视频)

Nobel Prize in economics recognizes 'market designers'

FTC takes on computer scareware scammers

Femen's topless protest tactics hit Paris(视频)

When it comes to beer, variety rules in USA