六级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.
但目前正在努力让更多黑人、西班牙裔和低收入学生学习高等数学,希望高水平竞争者的人口结构最终将开始转变,不再那么排外。
2017年6月阅读原文
未经许可,严禁转发。QQ交流群:688169419