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Long ago, an operation had usually to be done while the sick man could feel everything. The sick man had to be held down on a ta
Long ago, an operation had usually to be done while the sick man could feel everything. The sick man had to be held down on a ta
admin
2022-06-23
587
问题
Long ago, an operation had usually to be done while the sick man could feel everything. The sick man had to be held down on a table by force while the doctors did their best for him. He could feel all the pain if his leg or arm was being cut off, and his fearful cries filled the room and the hearts of those who watched.
Soon after 1770, Joseph Priestley discovered a gas which is now called "laughing gas". Laughing gas became known in America. Young men and women went to parties to try it. Most of them spent their time laughing, but one man at a party, Horace Wells, noticed that people didn’t seem to feel pain when they were using this gas. He decided to make an experiment on himself. He asked a friend to help him.
Wells took some of the gas, and his friend pulled out one of Wells’ teeth. Wells felt no pain at all.
As he didn’t know enough about laughing gas, he gave a man less gas than he should have. The man cried out with pain when his tooth was being pulled out.
Wells tried again, but this time he gave too much of the gas, and the man died. Wells never forgot this terrible event.
It can be inferred that the gas is called "laughing gas" because________.
选项
A、it makes people happy
B、it makes people laugh
C、it stops pain
D、it kills illness
答案
B
解析
根据第二段第三、四句“Young men and women went to parties to try it. Most of them spent their time laughing…”可推知,这种气体能使人发笑,所以称之为“笑气”。A、D两项在文中并未提及;根据第二段第四句“…that people didn’t seem to feel pain when they were using this gas. ”可知,使用“笑气”后人们似乎感觉不到疼痛,这是“笑气”的作用,并不是它被称为“笑气”的原因,不符合题意,所以C项可排除。故选B。
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英语题库普高专升本分类
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英语
普高专升本
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