问题
单项选择题
关于呼气末CO2监测，下列哪项是错误的（）
A.是主要反映肺泡通气功能的一项指标
B.静滴NaHCO过快、过多可引起血中CO2突然升高，PetCO2增加
C.临床上最常用的方法是红外线CO2分析仪法
D.可应用于无创机械通气患者
E.因PaCO2≈PACO2≈PetCO2，故Pet-CO2能反映PaCO2的变化
答案
参考答案：D
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关于呼气末CO2监测，下列哪项是错误的（）
A.是主要反映肺泡通气功能的一项指标
B.静滴NaHCO过快、过多可引起血中CO2突然升高，PetCO2增加
C.临床上最常用的方法是红外线CO2分析仪法
D.可应用于无创机械通气患者
E.因PaCO2≈PACO2≈PetCO2，故Pet-CO2能反映PaCO2的变化
参考答案：D
Once upon a time, a rich（富有的） man wanted to make a trip (旅行) to another town. He tried not only to take things to sell but also to take money to 1 things with. He 2 to take ten servants （佣人）with him. They would 3 the things to sell and the food to 4 on their trip. Before they started, a little boy ran up to 5 and asked to 6 with them. The rich man said to the little boy, “Well, 7 may go with us. 8 you are the smallest, the thinnest and the weakest of all my 9 , you can’t carry a 10 load (担子). You must 11 the lightest one to carry.” The boy thanked his master and chose the biggest load to carry. That was bread. “You are 12 .” said his master, “That is the biggest and the heaviest one.” The boy said 13 and lifted the load gladly. On the trip they walked for days and at last they got to the town. All the servants were tired except the little servant. Do you know 14 ? Most of the bread was eaten during the trip and a little was left when they 15 _the town.
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