单项选择题

患者，男，43岁。经常出现高热、腰痛伴尿路刺激症状，尿常规发现脓细胞满视野，中段尿培养发现有大肠杆菌生长，应用抗菌药物治疗后症状消失，当身体抵抗力下降时再度出现。为明确感染原因，应首先考虑下列哪项检查

A.膀胱镜检+逆行肾盂造影
B.静脉尿路造影
C.多次查尿中抗酸杆菌以排除或证实泌尿系结核
D.CT检查
E.MRI检查
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单项选择题
容易在月经前后发病的疾病是
A.滴虫性阴道炎
B.前庭大腺炎
C.萎缩性阴道炎
D.淋菌性阴道炎
E.慢性子宫颈炎
未分类题
听力原文：W: Hi, John.M: Oh ! Hi, LaurA.What are you doing here?W: Uh. I'm usually here on weekends. It's my dad's shop. So you are looking for a bike?M: Yeah. Now that the weather is warming up, I thought I get some exercise instead of taking the bus all the timE.W: Well, you came to the right placE.Do you know what you would like?M: Well, I don't want a racer or a touring bike or anything. Mostly I'll just be using it to get me back and forth from work.W: How far is that?M: About four miles.W: Are there a lot of hills on the way?M: Some, I guess. But maybe I should tell you I've only got 150 dollars. Can I get anything decent for that?W: Well, you are not going to get anything top of the linE.But we do have a few trade-ins in the back that are in good condition.M: That sounds gooD.W: And you are right. For the kind of ride you are going to be doing, the most important thing is comfort. You want to make sure it's the right height for you. Follow me and I'll show you what we've got.Why is Laura at the bicycle shop?A.She's waiting for her father.B.She's having her bicycle repaireD.C.She wants to surprise John.D.She works therE.
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