Currently, there’s mounting criticism of Michelle Obama’s Let’s Move campaign, which fights childhood obesity by encouraging youngsters to become more physically active, and it signed on singer Beyonce and basketball player Shaquille O’Neal, both of whom also endorse sodas which are a major contributor to the obesity epidemic.

出自-2016年12月听力原文

Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.

出自-2013年6月阅读原文

What makes Brazil one of the world's top five contributors to greenhouse gases

出自-2013年6月阅读原文