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题目内容
（国家开放大学 人文英语4）
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- Because there are many geographical and social problems.
A、What causes the problems?
B、How are the problems dealt with?
C、Why does the inequality exist?
- Because there are many geographical and social problems.
A、What causes the problems?
B、How are the problems dealt with?
C、Why does the inequality exist?
参考答案