Write a multi-choice question for the following article, with the given choices and answer: Article: Carbon monoxide poisoning causes death and injuries around the world. This gas is a problem in all parts of the world that experience cold weather. A few years ago, America's Centers for Disease Control (C. D. C.) studied deaths linked with carbon monoxide poisoning. It found that the number of carbon monoxide deaths in the United States was greatest in January. The C.D.C. also found that carbon monoxide kills more than four hundred Americans each year. And, it said more than twenty thousand people are taken to hospital for treatment of health problems linked with the gas. Carbon monoxide is called the silent killer because people do not know it is in the air. The gas has no color, no taste and no smell. It does not cause burning eyes. And it does not cause people to cough. Yet, carbon monoxide gas is very deadly . It steals the body's ability to use oxygen. Carbon monoxide makes it difficult for the blood to carry oxygen to body tissues . It does this by linking with the blood. When the gas links with the blood, the blood is no longer able to carry oxygen to the tissues that need it. Damage to the body can begin very quickly from large amounts of carbon monoxide. How quickly this can happen depend on how long a person is breathing the gas and how much gas he or she breathes in. Carbon monoxide poisoning has warning signs . But people have to be awake to realize them. Small amounts of the gas will cause a person's head to hurt. He or she may begin to feel tired. Their stomachs may feel sick. The room may appear to be turning around. The person may have trouble thinking clearly. People develop serious headache as the amount of the gas continues to enter their blood. They will begin to feel very tired and sleepy. They may have terrible stomachache. Doctors say carbon monoxide influences people differently. For example a small child will experience health problems or die much sooner than an adult. The general health of the person or his or her age can also be important. Options: A Warning signs that carbon monoxide poisoning has. B Reasons why carbon monoxide can cause person's death. C The damage of carbon monoxide and how it works. D Influences of carbon monoxide on children and adults. Answer: C The damage of carbon monoxide and how it works. Question:
----
Answer: What does the passage mainly talk about?

Write a multi-choice question for the following article, with the given choices and answer: Article: Mr. Green worked in an office in London, but he lived in the country and came to work by train every day. The station was not very far from his office, and he always went on foot from the station to his office and back from his office to the station. Every evening he walked past a poor man near a bridge. The man sat at the road and sold matches, and there was a dog near him. There was a piece of wood round the dog's neck, and the words "I AM BLIND" were on the piece of wood. Mr.Green was a kind man. He always stopped and gave a penny to the man, but he did not take any of his matches. One day, Mr.Green had a lot of work in his office and left the office very late. He came to the man and his dog, but he did not stop. The poor man stood up quickly, ran after him and said, "You're always very kind to me. Give me a penny today. I'm a poor man." Mr.Green stopped and he was surprised. Then he said, "You're a blind man. How did you see me?" The poor man said, "No, I'm not blind. My dog is." Options: A he did not like the man B he was afraid of the dog C he worked too late D he hurried to catch the train Answer: D he hurried to catch the train Question:
----
Answer: One day Mr.Green did not stop and give the poor man a penny because _ .

Write a multi-choice question for the following article, with the given choices and answer: Article: A woman is having some trouble with her eyes, so she goes to see the doctor. He is a new doctor and doesn't know her, so he asks some questions and one of them is, "How old are you?"The woman says, "I don't know, doctor, but let me think about it." She thinks for a minute and then says, "Yes, I know now, Doctor!When I marry , I am eighteen years old, and my husband is thirty. Now my husband is sixty. And that is twice thirty. So I am twice eighteen. That's thirty-six, isn't it?" Options: A twelve B eighteen C twenty D twenty-four Answer: A twelve Question:
----
Answer:
The woman is _ younger thanher husband.