退行性骨关节病与夏科关节鉴别点为()A．关节间隙可见游离体 B．_爱下问搜题

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问题单项选择题

退行性骨关节病与夏科关节鉴别点为()

A．关节间隙可见游离体

B．关节严重破坏，与症状轻微不符

C．关节变形

D．关节骨质增生

E．关节间隙狭窄

答案

参考答案：B

选择题

—_______ John this week?

—Yes.

—Where _______ him?

—In the library.

A．Did you see; did you see

B．Have you seen; did you see

C．Do you see; have you seen

D．Have you seen; have you seen

问答题简答题

启动抽气器主要任务？主抽气器主要任务？