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问题 单项选择题

患者，男，51岁。因心肌炎输液，治疗过程中，突然感到胸部异常不适，并出现呼吸困难，严重发绀，心前区闻及一个响亮持续的“水泡声”，应考虑发生()

A．变态反应

B．发热反应

C．急性肺水肿

D．空气栓塞

E．左心衰竭

答案

参考答案：D

阅读理解

阅读理解。

     We can see a picture of a classroom. It is our classroom. It's small. We have 25 students in our class.

The walls(墙)are white and the desks and chairs are new. On the wall there is(有) a flag(旗子) and a

clock. There is a map of China, too. Some plants are on the desk  They are for our teacher, Miss Smith.

She likes her students. She comes to school early.

1. Our classroom is _____.

A. big      

B. small      

C. old  

D. interesting

2. We have _____students in our class.

A. thirty    

B. fifteen    

C. twenty-five

D. forty

3. _____ are one the wall.

A. A flag    

B. A  clock    

C. A flag and a clock

D. A watch

4. _____are on the desk.

A. Some books

B. Some plants

C. Some pens

D. Some plants

5. Our teacher is_____.

A. Miss Smith  

B. Mr. Smith

C. Mrs. Smith  

D. Smith Teacher
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单项选择题

引起鼻源性颅内并发症最常见的鼻窦是（）。

A.上颌窦与额窦

B.额窦与筛窦

C.蝶窦与筛窦

D.筛窦与上颌窦

E.额窦上颌窦
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