问题
单项选择题
下列哪项无助于呼吸衰竭病因（）
A.肺通气灌注扫描
B.血生化
C.X线胸片
D.动脉血气分析
E.肺功能
答案
参考答案：D
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下列哪项无助于呼吸衰竭病因（）
A.肺通气灌注扫描
B.血生化
C.X线胸片
D.动脉血气分析
E.肺功能
参考答案：D
Mr. Grey traveled a lot on business. He sold machines of different kinds to farmers. It was not really a very 36 job, but Mr. Grey had always been interested in 37 , and he was quite 38 with his life. One of Mr. Grey’s problems was often__39___ to stay when he reached some small places in the country. He did not expect great ___40__ and wonderful food, but he found it annoying when he was given a __41___ room and when there was no hot water or good food after a long and ___42__ day. Late one __43__ evening, Mr. Grey arrived at a small railway station. The journey by __44__ that day had not been ___45__ interesting, and Mr. Grey was cold and tired and hungry. He was __46___ a simple but satisfying meal by a bright burning __47___ , and then a hot bath and a comfortable ___48__. While he was walking to the taxi stand, he said to a local man who was _ 49__ walking there, “ As this is my first __50___ to this part of the country and I was in too much of a __51___ to find out about hotels before I left home, I would very much like to know how many you have here?” The local man answered, “ We have two.” “And which of the two would you __52___ me to go to ?” Mr. Grey asked then. The local man scratched his __53___ for a few moments and then answered, “ Well, it’s like this: ___54__ you go to, you’ll be ___55__ you didn’t go to the other.”
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