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I'm taking a test and have to guess the right answer to the question after the article. Article: THURSDAY, July 9 (Health Day News) -- A new study that found that a lower calorie diet slowed the aging process in monkeys could be the best proof yet that restricted diets might do the same for humans. "The big question in aging research is, 'Will caloric restriction in species closely related to humans slow aging?'" said Richard Weindruch, senior author of a paper appearing in the July 10 issue of Science. This is the first clear demonstration that, in a primate species, we' re inducing a slowdown of the aging process -- showing increased survival, resistance to disease, less brain atrophy and less muscle loss. "This predicts humans would respond similarly," added Weindruch, professor of medicine at the University of Wisconsin and an investigator at the Veterans Hospital in Madison. Another expert noted that, despite some highly publicized studies in certain species, the link between restricted eating and longer lifespan has been far from proven. "The idea that dietary restriction extends lifespan in all species is not true. Many strains of rats and mice do not respond. In some strains, it' s actually deleterious," explained Felipe Sierra, director of the biology of aging program at the US National Institute on Aging (NIA), which supported the new study. "The fact that it doesn't work in some mice but it does seem to work in monkeys is surprising and it gives us hope." But there's a larger question: how to change humans' increasingly careless eating habits. "This finding doesn't give me hope that humans are going to go into dietary restriction," added Marianne Grant, a registered dietitian at Texas A&M Health Science Center Coastal Bend Health Education Center in Corpus Christi. Question: The author most likely wrote this text to _ . Options: A: compare the two experiments on rats and monkeys B: illustrate the data from the research C: call on people to pay attention to their daily diets D: introduce a lively debate to amuse the reader
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: So far, scientists have named about 1.8 million living species ,and that's just a small part of what probably exists on Earth.With so many plants,animals,fungi,and other organisms covering the planet,it can be tough to figure out what type of spider is crawling up your leg or what kind of bird just flew by. A soon-to-be-launched Website might help.An international team of researchers has announced the creation of a Web -- based Encyclopedia of Life (EOL).The project aims to catalogue every species on Earth in a single,easy-to-use reference guide. To get the encyclopedia started,the creators will use information from scientific databases that already exist.And eventually,in special sections of the site,nonscientists with specialized knowledge will join.Gardeners,for example,will be able to record the dates that their flowers first bloom each year.Bird-watchers will be able to input which birds they've seen and where.The technology for this kind of tool has only recently become available. As the EOL develops, you might find it useful for school projects.The site will have special pages for kids who are studying ecosystems in their neighborhoods.To make sure the encyclopedia is accurate,scientists will review much of the information added to it.People who visit the site will be able to choose to skip pages that haven't been reviewed. Another convenient characteristic of the EOL is that you'11 be able to pick the level of detail you see to match your interests,age,and current knowledge. If you wanted to learn about polar bears for a science class report,for example,you could use the _ setting to get basic information about the animals.On the "expert" setting,on the other hand.you could get much more detailed information about the history,literature,and exploration of polar bears. It now takes years for scientists to collect all the data they need to describe and analyze species.The creators of the Encyclopedia of Life hope that their new tool will speed that process. Keep an eye on _ .Pages will begin to... Question: Who are the intended readers of this passage? Options: A: Students. B: Researchers. C: Bird watchers or Gardeners. D: People in general.
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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: Many crimes and social problems are caused by children. Despite the damage these teenage criminals cause, parents are not responsible in most countries. This article will discuss whether parents should be forced to pay for their children's crimes. There are many reasons why parents should not be responsible for crimes committed by teenage children. First of all, teenagers today are independent. They often move out of the parents' house at 18 years of age or younger. They are expected to learn to take care of themselves and make their own decisions, and not to stay like small children attached to their parents. Secondly, parents are working. They cannot watch their adolescent children all the time. A third point is that even children from good families can sometimes commit crimes. Parents should not be responsible if they have worked hard to raise their children properly. However, young troublemakers cause many problems, and I feel we should make parents responsible. Firstly, most juvenile crimes are committed by adolescents whose parents do not care or make any effort to control their children. If parents had to pay fines , they might make more effort. Another point is that even though the children may seem mature, they are not really able to make good decisions. Parents should be responsible for raising and teaching their children until they are fully grown. Furthermore, if children know that their parents will have to pay, they will think carefully before getting into trouble. In summary, there are good reasons both for and against making parents pay for acts committed by their children. However, I feel strongly that if we want to reduce the number of such crimes, we need to make parents take more responsibility. Question: The author thinks that making parents pay for their children's crimes is _ . Options: A: useless B: easy C: necessary D: impractical
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C