问题
单项选择题 A1/A2型题
下列哪项可导致吸气性呼吸困难（）.
A.急性喉炎
B.支气管哮喘
C.喘息性慢性支气管炎
D.慢性阻塞性肺气肿
E.左心功能不全
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
下列哪项可导致吸气性呼吸困难（）.
A.急性喉炎
B.支气管哮喘
C.喘息性慢性支气管炎
D.慢性阻塞性肺气肿
E.左心功能不全
参考答案：A
It's a Sunday morning. Jack and his father 36 on a big bus. There are 37 people on it. Some of 38 come from America and some 39 England and Canada. They are all friends. They are going to the Summer Palace（颐和园）. There are two 40 on the bus. One is a man. He is the driver. He 41 the bus. 42 is a young woman. She 43 good English. She is talking about the Summer Palace. All the passengers(乘客)are listening 44__Her. They like the Summer Palace. They want 45 it very much.
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