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Read the following article and select the best answer. Article: "Sleep-disordered breathing" is a term for a group of conditions that can interfere with nornlal breathing while people sleep.These include snoring,mouth-breathing and sleep apnea .Sleep-disordered breathing can do more than just leave people feeling tired the next day.It can also affect people's health.In children the effects can include behavioral and emotional problems. In a new study.1ed by Karen Bonuck at the Einstein College of Medicine.researchers asked parents about their children's breathing from when they were babies up to about age seven.The study finds sleep-disordered breathing is associated with a fifty percent increase in outcomes including hyperactivity ,aggressiveness and problems relating to other children. Ms.Bonuck says the more serious the breathing problems,the more serious the behavioral issues were likely to be.Other studies have:linked sleep with children's behavior,but this study was extensive enough to:reject other possible causes. How well do you sleep?A popular belief is that sleep gets worse with age.But. in another new study,those who reported the fewest problems with the quality of their sleep were people in their eighties. Researchers did a telephone survey of American aduhs.Michael Grandner at the University of Pennsylvania medical school says the original goal was to confirm that aging is connected with increased sleep problems.The survey did find an increase during middle age,worse in women than men.But except for that,people reported that their sleep quality improved as they got older.At least they felt it did. Mr.Grandner says."Even if sleep among older Americans is actually worse than in younger adults,feelings about it still improve with age." In the study,health problems and depression were linked with poor sleep.But,based on the study.Mr.Grandner says older people who are not sick or depressed should be reporting better sleep."If they're not.they need to talk to their doctor."he says.He says heahtlh care providers generally dismiss sleep complaints from older adults... Question: The text is mainly about _ . - new findings on sleep in children,older adults - people's health problems - children's breathing problems - older adults' sleep complaints
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new findings on sleep in children,older adults

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Read the following article and select the best answer. Article: On Saturday August 12, 2000, during Northern Fleet training exercises in the Barents Sea, the Russian nuclear submarine Kursk sank in about 100 meters of water with some 118 sailors aboard. It's known later that several officers were also aboard, observing the training exercises. The Kursk is lying on the ocean floor in the Barents Sea. The Russian Navy said that it was listing 30 degrees to port. Other sources reported it was listing as much 60 as degrees. According to a Russian newspaper, when the submarine Kursk failed to make contact with the naval command at the right time later that day, Northern Fleet Commander Admiral Vyachesav Popov ordered rescue ships into the area. It took hours to find the submarine, as it didn't launch a marking buoy before sinking. Russian Navy Chief insisted that the submarine Kursk had been involved in a major collision , but a great deal of information shows that this is not true. Up till now, it's believed that an explosion in the torpedo compartment in the nose of the Kursk was the likely cause. Now Russian government officially asked Norway for help in recovering of sailors' bodies first of all, and Norway has agreed to offer all help. But Russian insisted that only Russians work inside the submarine Kursk and that the work last for about 10~18 working days. It is expected to recover only 25~35 bodies from the Kursk. It was not until October 25, when a team of Russian divers entered the submarine Kursk, some 350 feet below the surface, that truth became clear. On November 7, in the morning, owing to the icy and the cold weather, a special rescue meeting held on Murmansk decided to stop the whole bodies recovering operation. Question: From the text we can infer that _ led to the sinking of the submarine Kursk. - a small fighting with another foreign submarine - an explosion inside the submarine Kursk - a great collision inside the submarine Kursk - an attack from another foreign submarine
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an explosion inside the submarine Kursk

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Read the following article and select the best answer. Article: Dana Cummings was in his thirties before he first went surfing. But, even more interesting is that Dana Cummings chose to learn the sport after losing a leg in a car accident. Now, nine years later, he helps other disabled people learn how to ride the waves in AmpSurf. On the coast of Maine, he is working with 27-year-old Matthew Fish, who is partly blind. Cummings takes hold of Fish and leads him into the ocean. The surfboard floats next to them. Fish lies on the surfboard. He tries to stand up on it. After a few attempts he is up and riding all the way back to land. "That was exciting," Fish says. A car accident in 2002 took Dana Cummings' leg. He says the crash changed him more than just physically. "Losing my leg made me realize how precious life is and get off the couch and start living. I do more things now than I ever did before. Next week I am going to compete in a contest in Hawaii," Dana says. One year later Dana Cummings formed AmpSurf. AmpSurf is a group that volunteers to hold surfing classes and events for people with all kinds of disabilities. Recently, AmpSurf took its training programs to the East Coast. Eleven students attended the class in Maine. They came from all over the northeastern United States. Dana Cummings thinks AmpSurf can change the way a disabled person thinks. "Most people with disabilities consider himself or herself unlucky and useless, but we want them to see what they can do. Who cares you lose your leg or you are blind, whatever? Have fun. Just enjoy life. Take the most advantage of _ you can," Dana says. Question: What is the best title for the text? - Dana Cummings -- a great surfer - AmpSurf -- a training group - How to learn to live with disabilities - Disabled surfers ride the waves
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Disabled surfers ride the waves