患者，男，30岁，咳嗽3个月，偶有咳痰带血，乏力，体重下降，无发热。查体双侧颈淋巴结
题型：单项选择题 A1/A2型题
问题：
患者，男，30岁，咳嗽3个月，偶有咳痰带血，乏力，体重下降，无发热。查体双侧颈淋巴结蚕豆大，稍硬，无触痛，右上肺少许湿啰音，最可能的诊断是（）
A.肺癌
B.肺结核
C.肺炎
D.肺脓肿
E.支气管扩张
题型：单项选择题 A1/A2型题
In a certain group of people,
of the people are men, and
of the men have brown eyes. If
of the people have brown eyes, then what fraction of the group are women who do not have brown eyes
