问题
单项选择题
便后肛门部肿物,疼痛明显者为()
A.内痔
B.外痔
C.肛裂
D.直肠息肉
E.直肠癌
答案
参考答案:B
便后肛门部肿物,疼痛明显者为()
A.内痔
B.外痔
C.肛裂
D.直肠息肉
E.直肠癌
参考答案:B
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At present, with the development of our society, many parents in China expect their children to keep up with this rapid change and be well prepared for the future. |