Q: Write a multi-choice question for the following article, with the given choices and answer: Article: A new study has found that it may be possible to train people to be more intelligent, increasing the brainpower they had at birth. Until now,it has been widely assumed that the kind of mental ability that allows us to solve new problems without having any relevant previous experience--what psychologists call fluid intelligence--is innate and cannot be taught(though people can raise their grades on tests of it by practicing). But in the new study,researchers describe a method for improving this skill,along with experiments to prove it works. The key, researchers found, was carefully structured training in working memory--the kind that allows memorization of a telephone number just long enough to dial it.This type of memory is closely related to fluid intelligence,so the researchers reasoned that improving it might lead to improvements in fluid intelligence. First they measured fluid intelligence of volunteers using standard tests.Then they trained each in a complicated memory task--the child's card game,in which they had to recall a card they saw and heard.During the course, they needed to ignore irrelevant items, monitor ongoing performance,manage two tasks at the same time and connect related items to one another in space and time. The four groups experienced a half-hour of training daily for 8, 12, 17 and 19 days, respectively.To make sure they were not just improving their test-taking skills,the researchers compared them with control groups that took the tests without the training. The results, published Monday in The Proceedings of the National Academy of Sciences,were striking.Improvement in the trained groups was a lot greater.Moreover,the longer they trained, the higher their scores were.All performers,from the weakest to the strongest,showed significant improvement. "Our results show you can increase your intelligence with proper training." said Dr Jaeggi, a co-author of the paper."No one knows how long the gains will last after training stops," he added, "and the experiment's design did not allow the... Options: A trained the four groups for the same period of time B only made comparisons between the four groups C compared the four groups with control groups D trained the four groups together Answer: C compared the four groups with control groups Question:
A: .When the experiment was conducted, the researchers _ .

Question: Write a multi-choice question for the following article, with the given choices and answer: Article: Food for thought in the US Before I left for America, everyone warned me to watch my weight because it's easy to put on weight there. That's true. One thing I still cannot _ is the food and drink. Almost every American person loves sodas, especially those full of ice cubes. I remember the first day I came to my host family. When I asked them for a glass of hot water, they all looked at me and thought I was crazy! At my school there's no water dispenser but there's one in each classroom in China. All the American students drink water from taps outside the restrooms that are specially designed for drinking. The water is cold and the school doesn't have hot water. The most popular food here is hamburgers and French chips, which are junk food in China. Most students who eat at school prefer those to salads. They also eat lots of pizzas and hot dogs. As a result, you can always see some really fat people in school. Luckily, my host mom is really a great cook. She always makes food from different countries and eats a balanced meal every day. So I have a lot of fruit and vegetables. At my host family's home, they usually eat biscuits. These old-fashioned biscuits are low in fat and flavored with buttermilk, butter, and a bit of honey. Oh here comes the most interesting thing: the word "biscuit" in China actually means "cracker " here. Real biscuits are a kind of soft cake. I was also amazed by the rich kinds of food in American supermarkets and their reasonable prices. For example, one brand of yogurt has 20 kinds of flavors! You're sure to find one that you like. And most of the food provides you "light", "original" or "no sugar" options to choose from. Options: A To show how badly Americans need to change their diet. B To tell about the American foods that she likes and dislikes. C To show how much fun she has with her host family. D To introduce food differences between America and China. Answer: D To introduce food differences between America and China. Question:
Answer: What is the main idea of the article?

Question: Write a multi-choice question for the following article, with the given choices and answer: Article: Dozens of school districts around the country have been looking at these studies and are considering ways to adjust their class schedules. Eric Peterson is head of St. George's School, a private boarding school for grades 9-12 in the northeastern state of Rhode Island. After looking at the medical research on adolescent sleep needs and observing students in his own school, Peterson consulted with Dr. Judy Owen, a famous pediatrician and sleep expert. Armed with what he considered to be convincing data, Peterson decided to change his school's start time from 8:00 am to 8:30 am on a trial basis to see if a 30-minute change would make a difference. He was surprised by the results. "What was really astonishing was how many benefits and how significant the benefits were," he says. "In the research itself, we saw just over a 50 percent decrease in health-center admissions for fatigue, or fatigue-related illness, or rest requests. We saw almost a 35 percent decrease in first-period lateness. Students reported that they were more attentive. They were less sleepy during the day." And, according to Dr. Patricia Moss, assistant dean for Academic Affairs at St. George's School, students weren't the only ones reporting better results in the classroom. She says virtually all the teachers almost immediately noticed much more concentrated in the classroom, and there was definitely a more positive mood all around. "Kids were happier to be there at 8:30 than they were at 8:00," she says. "So our experience across the total spectrum was, universally, extremely positive and surprisingly so." Headmaster Peterson says there was another unexpected area of change when the school changed its start time. "We saw probably a greater than 30 percent increase in student attendance at breakfast, and of the food that they were eating. We ate more than doubled the amount of milk, eggs, fruit and cereal. So it was quality breakfast foods that the kids were eating. So they were better fueled as well as better rested." Ross and Peterson... Options: A the later public school start time B the change of class schedule C adolescent sleep requirements D the changes in school system Answer: C adolescent sleep requirements Question:
Answer:
The research conducted by Eric Peterson mainly focused on _ .