全外教口语班,美国跨种族婚姻数量达历史高峰(文/太平洋英语)Marriage between races and ethnic groups has reached an all-time high in the United States as public acceptance has grown, according to a Pew Research Center study on Thursday.Couples of different race or ethnicity made up a record 8.4 percent of all married couples in 2010, up from 3.2 percent in 1980, the study showed.About 15 percent of all new US marriages in 2010 were between spouses of a different race or ethnicity, more than twice the share in 1980, t