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How could we describe the 2014 Ebola outbreak?
选择一项：
A. Not the first but the largest one.
B. It did not ever threaten West Africa.
C. The first one in western countries.
选择一项：
A. Not the first but the largest one.
B. It did not ever threaten West Africa.
C. The first one in western countries.
参考答案
