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I'm taking a test and have to guess the right answer to the question after the article. Article: April 21st in 2006 was the 80th birthday of Queen Elizabeth II. She is one of the most famous women in the world. Here are some interesting stories about the Queen. Queen Elizabeth IIis the fortieth monarch since 1066. She has been the queen of Great Britain for 54 years. During her 54-year reign , she has made over 250 official visit to 129 different countries, including China in 1986. She has also hosted more than 90 formal dinners for those important people from foreign leaders. When she visits foreign countries or hosts formal dinners, the Queen often receives presents from foreign leaders. Some unusual presents include animals like jaguars and sloths from Brazil, and black beavers from Canada. The Queen is a great animal lover and she is known for her love of dogs. So far, the Queen has had more than 30 dogs. She is also really fond of horses and good at feeding horses. Her horses have won major races several times. The Queen usually sends a telegram of congratulations to her people who are 100 years old on their hundredth birthday. Perhaps she will send herself on in twenty years. It's not impossible, since all her family members have enjoyed a long life. The Queen's mother died in 2002 at the age of 101. Question: We can learn from the passage that Queen Elizabeth II is _ years old this year. Options: A: 81 B: 80 C: 100 D: 101
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: Taking a picture of your tongue with a mobile phone could soon instantly tell you how healthy you are. Researchers believe the images can reveal important information about a patient's health and even give them early warning of serious illness. A team at the University of Missouri is developing a system that can analyze pictures using a 5,000-year-old Chinese principle, which is based on the flow and balance of positive and negative energies in the body, and uses the tongue as a key to learning about a person's physical health, or "zheng" according to Chinese medicine. "Within a year, our goal is to create an application for smart phones that will allow anyone to take a photo of their tongue and learn the status of their zheng," said Dong Xu, chair of MU's Computer Science Department in the College of Engineering and the co-author of the latest study. The software analyzes images based on the tongue's color and coating to distinguish between tongues showing signs of "hot" or "cold" zheng. Shades of red and yellow are associated with hot zheng, whereas a white coating on the tongue is a sign of cold zheng. "Hot and cold zheng doesn't refer directly to body temperature," said Xu, "Rather, it refers to a series of symptoms associated with the state of the body as a whole." For the study, 263 gastritis patients and 48 healthy volunteers had their tongues analyzed. The gastritis patients were classified by whether they showed infection by a certain bacteria as well as the intensity of their gastritis symptoms. In addition, most of the gastritis patients had been previously classified with either hot or cold zheng. This allowed the researchers to test the accuracy of the software's analysis. "Our software is able to classify people based on their zheng status. And as we continue to work on the software we hope to improve its ability," said another co-author Ye Duan, "Eventually everyone will be able to use this tool at home using webcams or smart phone applications, which will allow them to monitor their zheng and... Question: It can be inferred from the passage that _ . Options: A: the software still needs improvement B: the subjects in the study are all gastritis C: the software has been in market for a year D: the subjects in the study are classified by age
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I'm taking a test and have to guess the right answer to the question after the article. Article: Self-control can make you happier not only in the long-run, but also in the moment. The research showed that self-control isn't about giving up desires, but more about managing conflicting goals. Since most people consider highly self-controlled ones as being more task-centered, the scientists decided to find out the connection between self-control and people's happiness to determine if being self-disciplined leaves people feel less joyful. Through a set of tests-including one that assessed 414 middle-aged participants on self-control and another that randomly interviewed volunteers on their smart phones about their mood and any desires they might be experiencing, researchers found a strong connection between higher levels of self-control and satisfaction. The smart phone experiment also showed how self-control may improve mood. Those who showed the greatest self-control reported more good moods and fewer bad ones. But this didn't appear to be linked to being more able to resist temptation --it was because they exposed themselves to fewer situations that might inspire desires in the first place. They were doing a number of things that bring them happiness and avoiding problematic desires and conflicts. That became clear in the study's last experiment, which looked into how self-control affects the way people handle goals that conflict with one another. In particular, the researchers were interested in how self-disciplined and less-disciplined people differed when it came to choosing among "virtues" and "vices" like the pleasure of eating sugar cookie vs. the pain of gaining weight. Participants were asked to list three important goal conflicts they experienced regularly and were also questioned on how they managed to balance the goals. The highly self-controlled showed an obvious difference from those with less discipline over their lives. They tended to avoid creating situations in which their goals would conflict, and reported fewer instances of having to choose between short-term pleasure and long-term... Question: Different from the less-controlled ones, the highly self-controlled people _ . Options: A: rarely prefer pleasures B: often create conflicting goals C: like to put up with pain D: stay away from negative emotions
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D