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题目内容
（国家开放大学-人文英语3）
What does the word “decreasing” in Para. 2 mean?
选择一项：
A. It means “falling”.
B. It means “rising”.
C. It means “peaking”.
选择一项：
A. It means “falling”.
B. It means “rising”.
C. It means “peaking”.
参考答案