No one is glad to hear that his body has to be cut open by a surgeon(外科医生) and part of it is taken out. Today, however, we needn't worry about feeling pain during the operation. The sick person falls into a kind of sleep, and when he awakes, the operation is finished. But these happy conditions are fairly new. It is not many years since a man who had to have an operation felt all its pain.

Long ago, operations 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, 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 Well's 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.It is ____ since a man being operated felt all the pain.

A. a few more years B. not very long

C.few years D.two thousand years

2.Long ago, when the sick man was operated on, he ____.

A. could feel nothing B. could not want anything

C. could feel all the pain D. could do anything

3.Using the laughing gas, the people did not seem to ____.

A. be afraid of anything B. feel pain

C.want to go to the parties D. be ill

4.If a man took less laughing gas than he should have when an operation went on, he ____.

A. felt nothing B.felt very comfortable

C. still felt pain D. would die

5.65. One who took too much of the laughing gas ____.

A. would laugh all the time B. would die

C. would never feel again D. would be very calm

Dear Abby,

I’m a helpless mother.My son Tom is 15 years old.I find that the older he grows,the less we talk.I feel very sad and I really need help.

My first problem is about his hobbies.He spends almost all his spare time on computer games.When he gets home.he always turns on the computer and closes the door.I’m getting worried about him,especially when his English teacher tells me he always gets low marks in the English exams.

Second,he likes new technology,but I don’t have enough money and I can’t afford all the things he wants.

Recently,I’ve found that he is always alone.I’ve never seen him talking to his friends on the phone or going out with anyone on weekends.That is the last problem I have.

What should I do to help him?Please give me some advice.

A helpless mother

1.The helpless mother has________problems.

A.two

B.three

C.four

D.five

2.Tom________for almost all his spare time at home.

A.plays computer games

B.talks with his mother

C.does his homework

D.practises typing(打字)

3.From the passage we know that Tom’s mother________.

A.is not worried about Tom

B.feels very happy

C.is not rich

D.likes new technology

4.The helpless mother asks Abby to________.

A.play with Tom

B.talk to Tom

C.buy what Tom wants

D.give her some advice

5.Which of the following is TRUE about Tom?

A.He is 14 years old.

B.He is not good at English.

C.He often phones to his friends.

D.He likes going out on weekends.

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