A-A+
AIDS was first identified in 1981 among homose
问题详情
AIDS was first identified in 1981 among homosexual men and drug users in western Europe.
A.Y
B.N
C.NG
参考答案
正确答案:B
解析:文章第三段说到,“AIDS was first identified in 1981 among homosexual men and drug users in New York and California.”艾滋病首先是在纽约和加州被发现,而不是西欧。