问题
单项选择题
男性，56岁，无明显原因下，反复出现无痛性肉眼血尿2月余。抗感染治疗效果不明显。病人所患疾病可能是
A．泌尿系结核
B．泌尿系结石
C．泌尿系肿瘤
D．泌尿系感染
E．前列腺增生
答案
参考答案：C
解析：老年男性，无痛性血尿，抗感染治疗无效，首先怀疑泌尿系肿瘤。
搜题请搜索小程序“爱下问搜题”
男性，56岁，无明显原因下，反复出现无痛性肉眼血尿2月余。抗感染治疗效果不明显。病人所患疾病可能是
A．泌尿系结核
B．泌尿系结石
C．泌尿系肿瘤
D．泌尿系感染
E．前列腺增生
参考答案：C
解析：老年男性，无痛性血尿，抗感染治疗无效，首先怀疑泌尿系肿瘤。
Shyness（害羞） means feeling frightened when you’re around other people. Some children are shy. Some become very shy later because of their life experience. , everybody gets a little shy sometimes. It’s just how much they feel shy. Most people have red faces and talk in sentences（句子） when they are shy. But some become shy that they won’t go to a restaurant because they are too nervous to and pay for their food. Some are afraid of meeting people, so they seldom go outside. This kind of shyness can be for a person. If shyness doesn’t stop you from doing something you want to do, being shy isn’t a big . Some experts（专家） say shy people are good at working because they think more and less. But remember not to let good opportunities（机会） pass you by just because of it. If you have to sing a song at a birthday party or give some performances in front of others, just do it. There’s nothing to .
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