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问题 单项选择题

男性儿童,左肘摔伤急诊就医，小夹板外固定后， 前臂高度肿胀,手部青白发凉，麻木无力，经拍X线片，诊断为左肱骨髁上骨折,若不及时处理，其最可能的后果是

A．感染

B．缺血性骨坏死

C．骨化性肌炎

D．关节僵硬

E．缺血性肌挛缩

答案

参考答案：E

阅读理解

任务型阅读。阅读短文，回答以下问题。

      Yesterday was Saturday. Ann cleaned the room in the morning. She went to a park with her friends in

the afternoon. She watched TV and did her homework in the evening. She was very busy. Her mother read

newspapers and went shopping yesterday.

1. What did Ann do yesterday afternoon?

________________________________________________________

2. Did she watch TV in the morning?

________________________________________________________

3. What did she do in the evening?

________________________________________________________

4. Was she busy yesterday?

________________________________________________________

5. What did her mother do yesterday?

________________________________________________________
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多项选择题 X型题

诊断HIV感染的实验室检查包括（）

A.抗HIV抗体检测：p24和gpl20抗体

B.用定量PCR法检测或支链DNA分析做HIV定量

C.CD4T细胞和总淋巴细胞计数

D.HIV－RNA检测

E.HIV抗原检测：p24抗原
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