网页It is not easy to curb the rising medical costs in America. 出自-2016年6月阅读原文. Contrary to some stereotypes, most adolescents believe they must be tolerant of differences among individuals ( ' , though they do not always find this easy in the cliquish ( ' , 拉帮结派的) environment of high school). 出自-2016年6月阅读原文.