问题
单项选择题 A1/A2型题
二尖瓣狭窄咯血的原因除外（）
A.肺水肿
B.支气管黏膜微血管破裂
C.肺栓塞
D.支气管静脉曲张破裂
E.支气管动脉破裂
答案
参考答案：E
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二尖瓣狭窄咯血的原因除外（）
A.肺水肿
B.支气管黏膜微血管破裂
C.肺栓塞
D.支气管静脉曲张破裂
E.支气管动脉破裂
参考答案：E
The other day I decided to come home early because it was such a beautiful day. The were outside playing in my apartment complex (公寓大楼) and the ice cream truck was whistling its tune. As I slowly to avoid an accident, I noticed a little boy at the ice cream truck. He didn’t get anything and he walked away with a look on his face. I asked the ice cream seller what happened and he said the little boy had no . I had no cash on me so I drove to my building and went upstairs to some cash. When I found it, the ice cream seller was waiting but the little boy had . I went in the I thought he might have gone and I saw a getting out of her vehicle. I asked her if she had a little boy and she said yes. She then told me that she and her son had gone to the grocery store the day before and had ice cream but she did not have enough money to buy . She quickly went into the to get her son, and when she several minutes later, I realized that he was not the little boy I had seen. This boy was a bit older and his sister came out with him. I took them both to the truck and let them out what they wanted. I told the mom it was not the same boy I was talking about. I myself to the mother properly and my baby-sitting services free of charge if she ever needed them. 1 couldn't find the original boy but 1 hope he gets some ice cream soon.
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