Question

Long ago, operation usually had 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 to save 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, Josept 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.

1. 1.
   Long ago，when the sick man was operated on, he _________.
   1. A.
      could feel nothing
   2. B.
      could not want anything
   3. C.
      could feel all the pain
   4. D.
      could do anything
2. 2.
   Using the laughing gas, the people did not seem to _________.
   1. A.
      be afraid of anything
   2. B.
      feel pain
   3. C.
      want to go to the parties
   4. D.
      be ill
3. 3.
   If a man took less laughing gas than he should have when an operation went on, he _________.
   1. A.
      felt nothing
   2. B.
      felt very comfortable
   3. C.
      still felt pain
   4. D.
      would die
4. 4.
   One who took too much of the laughing gas _________.
   1. A.
      would laugh all the time
   2. B.
      would be very calm
   3. C.
      would never feel pain
   4. D.
      would die.

Answer 1

CBCD
文章讲述的是一种可以使病人感受不到疼痛的气体的使用，以及不同用量的后果
1.事实细节题，根据第一段的Long ago, operation usually had to be done while the sick man could feel everything可知
2.事实细节题，根据第二段的Horace Wells, noticed that people didn’t seem to feel pain when they were using this gas可知，人们不会感受到痛苦了，当用了这种gas之后
3.事实细节题，根据第三段的he gave a man less gas than he should have. The man cried out with pain when his tooth was being pulled out可知，如果这种气体吸入的不够的话，还会感到痛苦
4.事实细节题，根据最后一段的but this time he gave too much of the gas, and the man died可知