高等继续教育 / 高级英语II
正确率：100%
题型描述: 单选题
In a sense, national power rests ＿＿＿＿＿＿ the educational level of its people.
A.about
B.upon
C.in
D.out
In a sense, national power rests ＿＿＿＿＿＿ the educational level of its people.
A.about
B.upon
C.in
D.out
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