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患者男，32岁，因“婚后2年不育”来诊。查体：左侧睾丸约14ml，右侧15ml。2次精液检测（离心后沉渣镜检）：无精子。精浆果糖检测（＋）。

睾丸活检的主要目的是排除（）

A.Kallmann综合征

B.克氏综合征

C.睾丸生精阻滞

D.唯支持细胞综合征

E.Noonan综合征

答案

参考答案：C

选择题

Good manners usually help people to _____ each other.[ ]

A. get on well with

B. get started

C. get together

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单项选择题

We all know that normal human daily cycle of activity is of some 7-8 hours' sleep alternating with some 16-17 hous' wakefulness and that, broadly speaking, the sleep normally______ the hours of darkness.

A．testifies to

B．caters to

C．coincides with

D．reckons with
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