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题目内容
（兰州交通大学-土木工程-大学英语3）
It was during his that the “freedom riders” worked to get more equal treatment for African Americans in America.
得分/总分
A.
margin
B.
champion
C.
presidency
2.00/2.00
D.
semester
得分/总分
A.
margin
B.
champion
C.
presidency
2.00/2.00
D.
semester
参考答案