标题: --- [打印本页] 作者: 芒鞋竹杖 时间: 2010-10-1 20:29 标题: --- ------------作者: paul1603 时间: 2010-10-16 22:15
定位到原文的这段话 At the time, minorities constituted seventeen percent of the nation's population, but only four percent of the nation's self-employed. This ownership gap was held to be the result of past discrimination. 说少数族裔占全国人口的17% 但是在全国的self-employed中只占有4%的少数族裔 这之间的差异就是ownership gap 选项D说的是 少数族裔的self-employed人数占到全国的self-employed人数10%以上 10%和17%之间的gap比4%和17%之间的gap缩小了