问题
单项选择题
间质性肺水肿时，最早出现的CT表现是
A．双肺蝶翼状高密度影
B．小叶间隔均匀增厚
C．小叶间隔串珠样增厚
D．沿支气管树分布的腺泡状阴影
E．双肺周边部位多发斑片状影
答案
参考答案：B
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间质性肺水肿时，最早出现的CT表现是
A．双肺蝶翼状高密度影
B．小叶间隔均匀增厚
C．小叶间隔串珠样增厚
D．沿支气管树分布的腺泡状阴影
E．双肺周边部位多发斑片状影
参考答案：B
从下面方框中选择适当的选项填人短文中.选项中有两项是多余的.
The old man entered the restaurant slowly wearing an old coat and trousers. He looked around, but it seemed no one cared __1__ him. A young waitress named Mary saw him __2__ toward a table by the window. She ran over to him, and said, "Here, Sir. Let me give you a hand with that chair. " Without __3__ a word, he smiled and nodded a "thank you". She pulled the chair away from the table. Then she helped him move in front of the chair, and sit __4__ comfortably. In a soft and clear __5__ he said, "Thank you for your kind gestures, Miss. " "You're welcome, Sir," she replied, "My name is Mary. I'll be back in a moment, and if you need anything just wave at me!" After he had finished a meal of cakes and hot lemon tea, Mary brought him the change from his bill. She helped him up from his chair, handed him his coat, and walked with him to the front door. Holding the door open for him, she said, "Come back and see us, Sir!" He turned __6__ and nodded a "thank you". "You are very kind," he said softly. When Mary went to clean his table, she was__7__ to find a business card and a piece of paper under his plate. Under the paper was a one-hundred dollar bill. The paper read. "Dear Mary, I respect you very much, and you respect yourself too. It shows by the way you treat __8__.You have found the secret of __9__. Your kind gestures will shine through to those who meet you. " In fact, the old man was the __10__ of the restaurant where she worked. |