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Read the article and select the best answer. Article: U.S. first lady Michelle Obama and her family have just ended their one-week trip in China. The whole world has paid attention to the two elegant and beautiful first ladies who have made a difference in the relationship between China and the U.S.A. Mrs. Obama has visited the Forbidden City, the Great Wall, the Terracotta Warriors, and the pandas. She has tasted Peking Duck and experienced some other Chinese traditional culture. It is hoped that this trip to China can bring a real understanding of our eastern world to the first family of the United States. Today, the number of exchange students between China and the U.S. has reached more than 4 million every year. There are more than 11,000 people traveling to and from each side of the Pacific. If the two countries can increase the exchange in travel, language, cuisine, and cultural understanding, this will help a lot in improving the understanding between the two countries. Education was an important theme of Mrs. Obama's visit, and it is crucial to the development of Sino-US relationship. China has an ancient tradition of placing a high value on education, and the first lady herself is an outstanding example of a person who changed her own destiny through education. She took education as the key theme of her speech at Peking University, encouraging students from the two countries to learn more about and get wider experience of each other. Question: Mrs. Obama has visited the following places except _ . Options: A: Terracotta Warriors B: the Forbidden City C: the Great Wall D: the Summer Palace
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D

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Read the article and select the best answer. Article: It is football time again.Currently, the qualifying rounds are being played to decide which countries will send teams to the next World Cup.Some Soccer is becoming more and more popular on a worldwide scale and these qualifying legs are causing much excitement. The game is popular at club level as well.Many fans go every week to support their teams, whether the event is a home or away one, hoping to get a result.They all hope an attacking game, with a lot of goals being scored.Obviously, they do not want to see a boring, defensive match where the players are aimlessly passing the ball to each other. Sadly, not all the action always takes place on the ground.All too frequently, there is action in the stands, too.Football supporters, most of whom declare their loyalty , by wearing their team colors, in the form of shirts, are not known for their quiet behavior.They are often very noisy, shouting noisy encouragement to their team and singing deafening songs. There is much rivalry between supporters.Mostly, this is good-natured, but trouble can easily arise.Fans get angry if they feel that a referee has made a wrong decision, perhaps giving one of their team a red or yellow card unfairly, or perhaps failing to notice a foul committed by a member of the other team. When trouble breaks out in a football crowd, it can be difficult to control.Stadium officials often seat the opposing fans in separate parts of the ground as a precaution against fighting. However, preventing trouble is more difficult outside the ground.In the worst cases, riot police have to be called in. Unfortunately, there are some fans who enjoy this violent aspect of football.These football hooligans really enjoy a running battle with the police, and call up other people to throw stones and bottles at them.They regard football not only as a sport, but as an excuse for trouble makings.Inevitably, their behavior spoils the reputation of the game. Question: Riot police are called in _ . Options: A: to stop lighting occurring outside the ground B: to separate the opposing fans inside the ground C: as a precaution against trouble inside the ground D: as a precaution against lighting outside the ground
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A

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Read the article and select the best answer. Article: Women who own cats are more likely to have mental health problems and kill themselves because they can be infected by a common parasite that can be caught from cat litter, a study has found. Researchers found women infected with the Toxoplasma gondii (T. gondii) parasite , which is spread through contact with cat waste or eating undercooked meat or unwashed vegetables, are at increased risk of attempting suicide. The study involved more than 45,000 women in Denmark. About a third of the world's population is infected with the parasite, which hides in cells in the brain and muscles, often without producing symptoms. The infection, which is called toxoplasmosis , has been linked to mental illness, such as schizophrenia , and changes in behavior. The study's senior author Doctor Teodor Postolache, an associate professor of psychiatry at the University of Maryland School of Medicine in the United States, said, "We can't say with certainty that T. gondii caused the women to try to kill themselves, but we did find a predictive association between the infection and suicide attempts later in life that deserves additional studies." Doctor Albert Reece, vice president of medical affairs at the University of Maryland, said, "T. gondii infection is a major public health problem around the world, and many people don't realize they're infected. "Dr Postolache is a leading expert on suicide neuroimmunology . Suicide is a critically important mental health issue. About one million people commit suicide and another 10 million attempt suicide worldwide each year. We hope that this type of research will one day help us find ways to save many lives that now end too early in suicide." Dr. Postolache's research team at the University of Maryland was the first to report a connection between T. gondii and suicidal behavior in 2009. He is cooperating with researchers in Denmark, Germany and Sweden to confirm and investigate the way leading to this association. The T. gondii parasite thrives in the intestines of cats, and it is... Question: What can be inferred from the passage? Options: A: Women have a higher risk to be infected by the parasite than men. B: The result of the research may help the scientists to find ways to stop suicide in advance. C: The scientists will continue their research into the possible connection. D: The risk of being infected seems to rise with the decreasing levels of the antibodies.
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C