膝关节在伸屈时有阵阵摩擦感或半蹲试验阳性，可能为（） A.外侧

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问题单项选择题

膝关节在伸屈时有阵阵摩擦感或半蹲试验阳性，可能为（）

A.外侧半月板损伤

B.内侧半月板损伤

C.髌骨软骨软化症

D.关节内游离体

E.类风湿性关节炎

答案

参考答案：C

填空题

根据句意和提示完成单词。

1. What's she doing for v_____?

2. That s_____ nice.Who are you going with?

3. He d_____ to go swimming on weekends.

4. She is going bike r_____ with her friends tomorrow.

5. Are you going to _____ (希腊) or Spain?

6. They are going _____ (远足) in the mountains next Sunday.

7. The English songs sound _____ (有趣的).

问答题

什么叫基本身份认证？