题目内容

患者男性，25岁，在京务工。因发热、咳嗽、咳痰4天来院，在家未用任何药物。查体见右下肺实变体征，胸部X线示右肺大片浸润影，血气分析示pH 7.36，PaO264mmHg，PaCO235mmHg。为明确诊断，下列检查有意义的是

A. 血培养 B．痰培养+药敏试验
B. 痰涂片
C. 胸部CT
D. 纤维支气管镜检查

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在Visual FoxPro中，将所有以a字母开头的变量存放在名为amemfile的内存变量文件中，用到的命令是______。

46岁。因患类风湿关节炎长期服泼尼松30mg/d。今起出现发热，伴气急、咳嗽、痰多，肺部闻及湿啰音，胸片示双肺弥漫性渗出性改变，动脉血气分析示PaO245mmHg，PaCO235mmHg，拟诊ARDS。经治疔后，患者病情有好转，以SIMV模式辅助通气，呼吸频率6次/分，PEFP5cmH2O，SpO295%，准备试脱机，下列监测指标哪项提示不能顺利脱机

A. 自主呼吸频率＜25次/分
B. 动脉血气PaO2＞75mmHg
C. Vt＞0.6ml/kg
D. 最大吸气压＜20cmH2O
E. 血压90/60mmHg

左无名静脉受压迫可出现（）。

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

Conversation 2Questions 8 to 10 are based on the conversation you’ve just heard.[听力原文] 8-10M：Hi I have some good news for you.W：What is itM：The teacher suggested that we go on a trip this Saturday.W：Oh，wonderful. Where shall we goM：How about going to the parkW：I don’t think it’s a good place to go to. We can go there another time. We should so farther away this time.M：Where do you think we should go thenW：How about the river in the suburbsM：I don’t think it’s a good idea. It’s not safe. Why not go to the mountains insteadW：That sounds good. Let’s go to the mountains to the south of the city. When will they go on a trip（）

A. On September 10.
B. On October 26.
C. On Sunday.
D. On Saturday.