But efforts are in place to expose more black, Hispanic, and low-income students to advanced math, in the hope that the demographic pool of high-level contenders will eventually begin to shift and become less exclusive.
2017年6月六级真题（第三套）阅读 Section B
Transforming downtown areas so that they incorporate modem housing and improved walkability to local restaurants, retail, and entertainment—especially when combined with improved infrastructure for cyclists and public transit—makes them appeal to a more a
2017年12月六级真题（第一套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ
人口（学）的;人口统计（学）的
Demographic means relating to or concerning demography.
N-PLURAL
(某个地方或社会的)人口特征，人口统计数据
The demographics of a place or society are the statistics relating to the people who live there.