Article: Paul was a good athlete when he was a middle school student. He liked running and jumping and won some medals at the sports meetings. So he was tall and strong. Suddenly war broke out and the young man joined the army. He was sent to the front and killed several enemy soldiers. Two years later he raturned to his home town and found a job at the police station. People had known about his bravery by then and they all liked the polite young man. One day a few young men had drunk too much before they came in a cinema. They danced and sang there and the film couldn't be shown. Paul was ill that day and went to the hospital. When he was passing there, the young men were beating an old man. He went to stop them and they began to fight. He caught them all and sent them to the police station. Since then all the bad men in the town were afraid of the brave policeman. It was a summer evening. The weather was hot and few people could stay indoors. Paul was on duty and sat by the telephone. Suddenly in rushed a beautiful girl with a book in her hand. She stood there, shaking in her shoes. "What's the matter, madam? "asked Paul. "I wish you could protect me sir, "answered the girl. "Protect? "Paul said in surprise. "For what? " The girl showed the book to Paul. The young man understood at once: it was a book about Ghosts ! Question: Paul sat by the telephone that evening because _ . [ ] Yes or no, is the answer "he was on duty"?
No

(Question)
Article: Have you ever noticed that people have thinner arms and legs as they get older? As we age it becomes harder to keep our muscles healthy. They get smaller, which reduces strength and increases the possibility of falls and fractures . New research is showing how this happens and what to do about it. A team of Nottingham researchers has already shown that when older people eat, they cannot make muscle as fast as the young. Now they've found that the ability to prevent muscle breakdown is reduced with age. When older people eat, they don't build enough muscle with the protein in food; also, the insulin fails to shut down the muscle breakdown that rises between meals and overnight. Normally, in young people, insulin acts to slow muscle breakdown. The research just published compared one group of people in their late 60s to a group of 25-year-olds, with equal numbers of men and women. "We studied our subjects first -- before breakfast -- and then after giving them a small amount of insulin to raise the hormone to what they would be if they had eaten breakfast," Professor Rennie said. " The results were clear. The younger people's muscles were able to use insulin we gave to stop the muscle breakdown, which had increased during the night. The muscles in the older people could not. In the course of our tests, we also noticed that the blood flow in the leg was greater in the younger people than the older ones," added Professor Rennie. However, scientists think that weight training may reactivate muscle blood flow and help retain muscles for older people. "In fact, doing exercise three times a week over 20 weeks reactivates the leg blood flow responses of older people. They became identical to those in the young," said Professor Rennie. Question: The researchers seemed to believe that _ . Yes or no, is the answer "young people make muscles more quickly when eating"?
(Answer)
Yes

Ques: Article: Guide dogs help blind people who cannot get around by themselves.Although Yorkshire terriers and poodles are good companion dogs,guide dogs are chosen from lager breeds such as German shepherds,golden retrievers,and Labrador retrievers.The young dogs are raised by families until they are eighteen months old.During this time,they get lots of love and attention,but they are also taught to obey.Then the dogs go to a special school where,for four months,they work with a sighted trainer,an individual who can see.The dog forms a close relationship with this person who teaches it how to follow directions such as right,left,straight ahead,and stop.The young dog also learns to watch out for dangerous traffic and wait until it is safe to cross a busy street. When the dog is two years old,it starts training with the blind person it will live with. The dog and its new owner make many trips from downtown to where the blind person lives so the dog becomes familiar with the normal atmosphere.During the training,a sighted trainer always remains with them. A blind person who is getting a guide dog for the first time will train for about a month. If the individual has had a dog before,the training takes about three weeks.After the training,the blind person depends on the guide dog for between seven and twelve years.At that point,the working dog become a family pet and the owner needs to train with a younger guide dog. Question: Who gives the dogs training at the special school? Yes or no, is the answer "A sighted trainer."?
Ans: No

Article: Spending a lot of time watching TV, playing video games and surfing the Web causes a lot of healthy problems to children such as overweight and smoking, US researchers said yesterday. U.S. experts analyzed 173 studies on how media sources influence the physical health of children and adolescents . The studies, mostly carried out in the prefix = st1 /United States, largely focused on television, but some looked at video games, films, music, computer and Internet use. Three quarters of them found that increased media viewing was connected with poor health. The studies offered strong evidence that children who get more media exposure are more likely to become overweight, start smoking and begin earlier sexual activity than those who spend less time in front of a screen, the researchers said. Studies also showed more media exposure is linked to drug and alcohol use and poorer school performance. "We were pretty surprised by the number of studies that showed these negative health results," said one of the researchers in the report. For decades, experts have worried about the effect on young viewers of the violence and sexual content in some TV programs, movies and video games. Another issue is that kids are spending time sitting on a couch watching TV or playing computer games when they could be running around outside. One study found that children who spend more than eight hours watching TV per week at age 3 are more likely to be overweight at 7. And research showed that many USchildren watch far more. Another study showed TV and other media content can have a deep influence on children's attitudes and beliefs, particularly among teens. A US study published in November showed that adolescents who watched more programs with sexual themes had a higher risk of becoming pregnant or causing a pregnancy. Thirteen of 14 studies that evaluated sexual behavior found a connection between media exposure and earlier sexual behavior, the researchers said. Question: How did the experts carry out their research? Yes or no, is the answer "By analyzing 173 studies on influences of media sources."?
No