问题
选择题
When you get involved in sports, a lot of racial____are broken down because players developed friendship quickly.
A．barriers
B．threats
C．approaches
D．hardships
答案
答案：A
题目分析：句意：当你参加运动的时候，很多种族的障碍被打破，因为选手们很快就培养了友谊。四个选项的含义分别是：A. barriers障碍，B. threats威胁，C. approaches方法，D. hardships困难，所以选A。