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当前学科：间质性肺疾病
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患者女性，42岁，主因"活动后气短半年，加重1个月"入院。查体：双肺部可闻及细小湿性啰音，胸部X线可见肺内多发浸润影，胸膜下小叶间隔增厚。为明确诊断，需做的最佳检查为（）
A . A.支气管肺泡灌洗
B . 经支气管肺活检
C . 开胸肺活检
D . 检查血中免疫指标有无异常
E . 薄层CT检查
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男性，67岁，反复腹泻10年，多于饭后或晨起发作，每日5～6次/日，近日大便带血，该患者不应考虑的诊断()
As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas. Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it. On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band! ___1___内应选（） ___2___内应选（） ___3___内应选（） ___4___内应选（） ___5___内应选（） ___6___内应选（） ___7___内应选（） ___8___内应选（） ___9___内应选（） ___10___内应选（）
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随着特征维数的增加，样本间区分度提高。()