问题 单项选择题 A1/A2型题

关于中心型发绀的描述,正确的是()

A.以唇部发绀常见

B.经局部加温后发绀消失

C.全身性发绀,皮肤温暖

D.全身皮肤温度低、发凉

E.常出现肢体末梢发绀

答案

参考答案:C

解析:中心型发绀是指因心、肺疾病致动脉血氧饱和度降低而引起的发绀,其特点为全身性的发绀,发绀部位皮肤温暖。

阅读理解

阅读理解。

      The weather was fine last night. My friend named Steve and I decided to sleep in the open air. I found the sleeping bags under the bed in my room. I also packed some snacks. We could hardly wait for it to

get dark.We opened our sleeping bags and put them on the grass in front of my house.Steve and I played

some games,talked about something interesting and had a snack. In the end it got darkWe were just falling asleep when we heard something unusual.

     "Maybe it is just a small animal,” I said. Steve said nothing, but I could feel he was frightened. After I

looked around, I was sure it wasn’t an animal. It was my little brother, Tommy.

     "What are you doing here?" I asked. "You know, Tommy, you frightened us."

     "Sorry, Bill," he said. "It's hot in the room. I want to sleep outside with you."

     "Well, OK," I said. "Just come and lie down next to us."

     "Good night, Bill and Steve," said Tommy. "And thanks."

1. What did Steve and Bill decide to do last night?

_____________________________________________                                                      

2. Where did Bill find the sleeping bags?   

_____________________________________________                                                                     

3. How did Steve feel when he heard something strange?

_____________________________________________                                        

4. What did Tommy come out of the house to do? 

_____________________________________________                                                     

5. How many persons slept in the open air at last in the story?                                

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单项选择题 A1/A2型题