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I'm taking a test and have to guess the right answer to the question after the article. Article: New research shows how kids' brains reorganize as they learn math. All the time you spent memorizing multiplication tables may have made you a better mathematician, according to a new study. A team of scientists from Stanford University, in California, have shown how the brain reorganizes itself as kids learn math. After a certain amount of time spent practicing math, kids can put away the calculator . They don't even need to count on their fingers. They simply know the answers to subtraction , addition, and multiplication facts. The quicker kids can recall basic math facts, the easier it is for them to solve more complicated math problems. The Stanford University researchers observed the brain activity of 28 students aged 7to 9 for the study. They took scans of the students' brains as the students solved math calculations without the help of a calculator, pen or paper. A calculation--three plus four equals seven, for example--flashed on a screen. The students pushed a button to say if the answer was right or wrong. The scientists also recorded the response speed, and what parts of the brain became active as the kids pushed the button. These observations showed a process called fact retrieval . Rather than using their fingers to count, or writing out answers on a piece of paper, the students pulled the answers from memory. It's as if the answers to basic math problems are kept in a long-term storage area in the brain, which was built from repetition. "Experience really does matter," said Dr. Kathy Mann Koepeke. Children make the shift from counting to fact retrieval when they are 8 to 9 years old, the study shows. This is the time when most students are learning basic addition and subtraction. When kids have basic math facts memorized, the brain has more free space to learn more complicated math. This process has benefits for the future. The study shows as kids grow older, their answers rely more on memory and become quicker and more accurate. Less brain activity is devoted to counting. Some children make... Question: What plays a key role in solving a math problem? Options: A: Intelligence B: Experience C: Learning method D: Constant practice
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: The creative projects of World Food Program (WFP) focused on preventing hunger from taking hold in the future and breaking the cycle of hunger. Here are some of the ways in which we work to prevent hunger in the future: School Meals As well as directly addressing hunger, School Meals projects encourage families to keep their children in school and help them build better futures. If children aren't hungry they will concentrate on their lessons. With a solid education growing children have a better chance of finding their own way out of hunger. These projects benefit girls especially. For more information: www.wfp.org/schools meals. Food for Assets WFP's Food for Assets projects provide the hungry with food to lay the foundation for a better tomorrow. When poor farmers no longer have to worry about the next meal, they have the time and energy to build irrigation systems that can increase production. Similarly, Food for Training projects allow the poor to devote time to learning skills that will sustain them economically in the future. For more information: www.wfp.org/food-assets. HIV/AIDS WFP uses its food rations to reduce the blow of HIV and AIDS. The agency distributes its rations to people living with HIV and AIDS, so they can keep providing for their families for longer and have time to transfer vital knowledge and skills to the growing number of AIDS children--the next generation of food providers in developing countries. For more information: www.wfp.org/hiv-aids. Purchase for Progress WFP buys large amounts of food in developing countries. It has this purchasing power and uses it to help poor farmers contact reliable markets where they can get competitive prices for their produce. With secure markets, farmers will be encouraged to produce more and innovate .The knock-on effect is producing more food for everyone. For more information: www.wfp.ofp/purchase-progress. Question: By buying large amounts of food in developing countries, WFP aims to _ . Options: A: help farmers to increase their income B: encourage farmers to produce more food C: introduce new ways of farming to farmers D: motive farmers to plant different kind of crops.
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: Plant World Garden Centre is located between Torquay and Newton Abbot. The Garden is laid out to represent the five continents of the world. Our inspirational gardens contain countless rare and foreign plants seldom seen outside their native lands. Our Famous "Gardens of the World" It was designed , built and planted in 1986 as the first ever " Map of the World Gardens" . It takes visitors half an hour or more to drive along the winding pathways around the "world map" and see which plants grow in which countries. The neighboring rare plant nurseries ( ) enable visitors to take home plants and trees growing there. We give a warm welcome to garden clubs and gardening societies, many of whom make annual visits. Latest News Our new Garden website is released! We hope you like our new website which we have tried to fill with interesting information and history about our lovely gardens. Seeds We produce and sell over 3 ,000 varieties of flower and vegetable seeds. Many are rare ,and unusual. All of them can be purchased on our sister website : www. plant-world-seeds.com. Scenic Cafe Our hilltop cafe offers one of the most incredible panoramas ( ) of Britain. The menu includes toasted sandwiches and jacket potatoes. In addition ,many home-made cakes are offered, including the famous Devon Cream Teas. We always use local produce whenever possible-our ice creams are from Language , our home-made soups come from Rod & Bens ,and our bottled drinks are supplied by Heron Valley. Opening Times We are open 9:30 am - 5 :00 pm, seven days a week, from late March to mid October ( please call first to confirm at the start/end of season) . . Garden Admission Prices Day ticket : ~ 3 Season ticket : PS 10 Kids under 12 go free Question: From the new- Carden website ,visitors can Options: A: get information about the past of the gardens B: purchase over 3,000 varieties of flower seeds C: buy all kinds of local produce D: fill the website with their interesting stories
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A