问题
单项选择题 B型题
蛛网膜下腔阻滞麻醉后最常见的并发症是（）
A.血压下降和心率缓慢
B.呼吸抑制
C.头痛
D.全脊髓麻醉
E.局麻药毒性反应
答案
参考答案：C
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蛛网膜下腔阻滞麻醉后最常见的并发症是（）
A.血压下降和心率缓慢
B.呼吸抑制
C.头痛
D.全脊髓麻醉
E.局麻药毒性反应
参考答案：C
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| We can see walls everywhere in the world . But the Great Wall of China is the 1 of all. The Chinese call it "the Ten-thousand-li Great Wall". It is more than 6,000 kilometers. It is 4-5 meters 2 . In most places, five  horses or ten 3 can walk side by side.When you visit the Great Wall, you can't 4 wondering how the Chinese were able to build such a great wall thousands of years ago. 5 any modern machines, it was really very difficult to build it. They 6 to do all the work by hand. It 7 millions of men hundreds of years to build it. The Great Wall has a history of over two thousand years. The king began to build the first parts of it around two thousand seven hundred years 8 . Then Qin Shihuang had all the walls joined up. He thought that could keep the 9 out of the country. Today the Great Wall has become a place of interest. Not only the Chinese people 10 people from all over the world come to visit it. | ||||
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