题目内容

患者男性，58岁，胆囊炎胆石症手术后3天，高热持续不退，咳嗽、咳黄脓痰，伴右侧胸痛。胸部X线示右下肺大片实变伴不规则透亮区。为获得可靠的病原学诊断，最理想的标本来源是

A. 咳痰标本 B．咽拭子
B. 经纤维支气管镜吸引标本
C. 经气管吸引标本
D. 经纤维支气管镜应用防污染标本毛刷或防污染支气管肺泡灌洗标本

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主动脉弓囊性中层破坏形成的胸主动脉瘤（）。

A. 多位于降主动脉，呈梭形
B. 多位于升主动脉，呈梭形或梨形
C. 多位于比较固定的主动脉弓或活动度较大的降主动脉近段之间
D. 多见于升主动脉和主动脉弓
E. 多见于腹主动脉

交感神经受累可出现（）。

A. Horner综合征
B. 声音嘶哑
C. 左上肢静脉压高于右上肢
D. 主动脉瓣关闭不全症状、体征
E. 对侧鼻唇沟变浅

梭形动脉瘤

[听力原文] 11-15There is a prison in Iceland which allows its prisoners to go out without any guards to watch every day. They work on the farm near the prison during the day，and come back to have their evening meal and to sleep every evening. Before they are allowed to go out like this, they have to promise to come back every evening. If they do not promise this, they are not let out.One night one of the prisoners was invited to have a meal and a drink with the family of the farmer he was working for, so he came back to the prison very late. He had to knock at the gate several times before the guards came to let him in. The guard did not like being disturbed at this time, so he said to the prisoner angrily, "If you come back so late again, I won’t let you in." What does the prison allow its prisoners to do It allows its prisoners to（）without any guards