题目内容

尿毒症引起贫血的重要原因是

A. 肾脏产生红细胞生成素减少
B. 胍类使红细胞寿命缩短
C. 骨髓受某些毒性产物的抑制
D. 失血
E. 铁、叶酸缺乏

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Questions 11 to 18 are based on the conversation you have just heard.

A. Student and professor.
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Client and lawyer.
D. Patient and doctor.

对慢性肾炎伴肾素依赖性高血压者，降压首选

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E. 骨骼系统症状

Questions 11 to 18 are based on the conversation you have just heard.

A. In a factory.
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D. In a locked room.