Article: One of the tough things about being a high school student is that you never seem to get enough sleep at night, which often leaves you nodding off during classes. "The best amount of sleep to get is about seven and a half to eight hours," Peter Venn at Queen Victoria Hospital, UK, told The Telegraph. Spending either less than six or more than nine hours in sleeping puts your health at risk. A popular solution to a lack of sleep at night is to take a "power nap" during the day, but does this work? Generally speaking, it can be beneficial. Research shows that a nap in the middle of the day --even a brief one as short as five or 10 minutes ---can clear your mind and leave you with increased energy and improved productivity , according to Forbes. However, as refreshing as it might be, if you are getting adequate sleep at night, taking a power nap isn't such a wise choice. The reason is that sleeping during the day can interfere with your body's biorhythms . The brain gets used to going to bed at roughly the same time each night and getting up at the same time each day, and you don't want to disturb this routine. One more thing to keep in mind is that a power nap should never be used as a replacement for a good night's sleep. "Twenty minutes of power nap during the day is not like a tablet which will definitely work," Rahul Mukherjee, an Indian sleep specialist, told The Telegraph. "An hour's sleep before midnight is worth a couple of hours' sleep after midnight." Question: Why can taking a power nap in the middle of the day be beneficial? Yes or no, is the answer "Because it refreshes people and thus improves their productivity."?
No

Article: I don't think a day goes by when I don't think of my father. He died twenty-one years ago when I was twenty-six. He was a good man , but I hardly saw him around home, for he ran a big company. I secretly wished something could bring him closer to me. It wasn't until he became seriously ill that we really got to know each other and had a place in each other's lives. After his near death and many operations, I was trained as his nurse to take care of him. Although the job seemed boring and tiring in certain people's eyes, I liked it. Taking care of him seemed to reduce the pain of his absence from my younger life. I enjoyed his company and attention and, though through a sad situation, I was finally getting my fill . Now I am a dad myself, but certainly not a _ as my father. Although I work away from my home, I always have my meals with my family. Father's Day is coming I still have the pencil holder made from a decorated tin sitting on my desk. It's a gift from my only son. Each year, the gift is something different and each year, I couldn't care less about the gift itself. You see, the gift I enjoy is the pleasure of my son's company and knowing that we have a place in each other's lives. At heart , all men know their fathers are important. Want a great Father's Day? Tell your dad you love him and give your kid a hug today-before Father's Day actually arrives. Question: By looking after his father, the writer got a chance to _ . Yes or no, is the answer "get close to his father"?
No

Q: Article: The American newspaper publisher Arthur Sulzberger Sr died at the age of 86.Mr Sulzberger led The New York Times for more than three decades,before passing the business to his son.He took over the paper in 1963 when it was in financial trouble,and transformed it into the heart of a multibillion dollar media empire. His family announced he had died at his home in Southampton,New York State,after a long illness.His son,Arthur Sulzberger Jr,said in a statement that his father,whom he referred to by his childhood nickname of Punch,was "one of our industry's most admired executives"."Punch,the old Marine captain who never backed down from a fight,was an absolutely fierce defender of the freedom of the press," he said. The New York Times was bought by Mr Sulzberger Sr's grandfather Adolph Ochs in 1896.During Mr Sulzberger's tenure,The New York Times won 31 Pulitzer prizes. Born in New York City,5 February 1926,Sr served in Marine Corps during World War II and Korean War,joined The New York Times in 1951 after graduating from Columbia College,took over as publisher in 1963 after his brotherinlaw died suddenly,stepped down in 1997 and passed stewardship to his son,Arthur Sulzberger Jr. He oversaw a huge circulation boost at the paper,and increased its parent company's annual revenues from $100m in 1963 to $1.7bn by the time he stepped down in 1997.He also led the paper through highlevel clashes with the political establishment.In 1971,The Times published a series of stories saying that politicians had systematically lied over the US involvement in Vietnam.The source was thousands of leaked government documents known as the Pentagon Papers.The Nixon administration demanded that the paper stop publishing the stories on grounds of national security.But the paper refused,and then won the subsequent court case by arguing that the First Amendment of the US Constitution guaranteed free speech.The case is seen as a landmark in the history of free speech in the US.Mr Sulzberger said he read more than 7,000... Question: In the political case in the 1970s,Mr Sulzberger _ . Yes or no, is the answer "gave in to the government"?
A: No

*Question*
Article: Electrical devices could soon use power make by human energy, Scientists say they have developed an experimental device that produces electricity from the physical movement of a person walking , British scientist Max Donelan and other scientists in Canada and the United States developed the device. The device connects to a person's knee, As the person walks, the device captures energy each time the person slows down, To do this ,the device helps with the slowing sown movement of the leg, The movements of the walking person push parts of a small machine that produces electricity, Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute, Donelan says walking at that speed could produce enough power to operate a laptop computer for six minutes. There are several possible uses for the device ,Developers say it could help people who work in areas without electricity to operate small computers, The deice could also be used in hospitals to operate heart pacemakers ,It could even be used to assist in the movement of robotic arms and legs. The experimental version of the device weighs about one and a half kilograms, but it is too costly for most people to buy, But the researchers hope to make a lighter, less costly version.An improved version should be ready in one year. The developers hope the device will one day help developing countries, Nearly twenty five percent of people around the world live without electric power. A similar product was invented in 2005 by Larry Rome of the University of Pennsylvania,He created a bag carried on a person's back that also produces power from walking, The knee device does not produce as much electricity as the bag ,But the bag requires the walker to carry a load of twenty to thirty kilograms. Question: From the passage, we can learn that the electrical device can _ . Yes or no, is the answer "be applied in medicine to operate heart pacemakers"?
**Answer**
Yes