That's when Addison and her friends Erika and Emily Borden decided to sell lemonade for 50 cents a cup and sell pictures for 25 cents each.

2017年12月四级真题（第二套）听力 Section A

A recent study, conducted by Emory University's Erika Hall, found that Black people are viewed more negatively than African Americans because of a perceived difference in socioeconomic status.

出自-2015年12月阅读原文

A recent study, conducted by Emory University's Erika Hall, found that " Black " people are viewed more negatively than " African Americans " because of a perceived difference in socioeconomic status.

2015年12月六级真题（第一套）阅读 Section C