Question: Question: Read the article and select the best answer. Article: If you want to improve your child's results at school, you could do a lot worse than ensuring that they do plenty of exercise. Scientists have already shown that physical activity can make you brainier. But a team in America has used scans to show that an important part of the brain actually grows in children who are fit. These youngsters tend to be more intelligent and have better memories than those who are inactive. Scientists also found that one of the most important parts of their brains was 12 percent larger than those of unfit children. They believe that encouraging children to take exercise from a very young age could help them do better at school later. Researchers from the University of Illinois, in the U.S., studied the brains of 49 children aged nine and ten using a magnetic resonance imaging scan  , a technique which provides very detailed pictures of organs and tissues in the body. They also tested the fitness levels of the children by making them run on a treadmill  . The scientists found that the hippocampus, a part of the brain responsible for memory and learning, was around 12 percent larger in the fitter children. Professor Art Kramer, who led the study published in the journal Brain Research, said the findings had important implications for encouraging individuals to take part in sport from a young age. "We knew that experience and environmental factors and socioeconomic status all impact brain development," he said. "If you get some terrible genes from your parents, you can't really fix that, and it's not easy to do something about your economic status. But here's something that we can do something about." Question: If you want to improve your children's result in school,   _  . Options: A: it is worse to ensure that they do plenty of exercise B: you can have their brain scanned C: it could be better to make sure that they do a lot of exercise D: you can do a lot except ensuring that they do exercise
Answer: C

Question: Read the article and select the best answer. Article: Bigger-brained birds survive better than their feathered friends with smaller brains, according to a study published on Tuesday. Scientists have suspected that birds with large brains in relation to their body size lived longer because they were able to adapt their behavior to environmental challenges. Now they have provided evidence that it does. "We have tested the hypothesis  that the brain can buffer  animals against the environment and help them to survive when they face environmental challenges," said Daniel Sol of the Centre for Ecological Research and Forestry Applications in Barcelona, Spain. After comparing death rates, brain size and body mass of 236 species of birds from different regions of the world, Sol and scientists in Britain, Hungary and Canada discovered that the bigger the brain the better. Crows and parrots have the largest brains, while pheasants   have a relatively small brain. Earlier studies have shown there is a relationship between the size of the brain and an animal's capacity to create new behavior and adapt more easily. "The idea is that if you have a big brain, you are more capable of adjusting behavior and responding to environmental changes. This can help you to survive," said Sol, who reported the finding in the journal Proceedings of the Royal Society B: Biological Sciences. Tamas Szekely of the University of Bath in England and a co-author of the report, said birds were ideal to test the hypothesis because they are the only species in which brain size and behavioral response to environmental challenges such as climate and habitat destruction is understood. Question: The finding of bird's brains recently refers to   _  . Options: A: the smaller brain the birds have, the longer they live B: the smaller brain the birds have, the cleverer they are C: the bigger brain the birds have, the larger their bodies are D: the bigger brain the birds have, the abler they are to deal with environment
Answer: D

Question: Read the article and select the best answer. Article: The doctor handed me my medicine and said sorry to me because his register   had already closed. He asked if I would mind using the register at the front of the store. I told him not to worry and walked up front. One person was in line ahead of me, a little girl no more than seven with a bottle of medicine on the counter  . She held a little green and white coin purse closely to her chest  . The purse reminded me of the days when, as a child, I liked dressing myself up in my grandma's clothes. One day, wearing her large clothes and hat, I went out to buy something. I gave a fake  dollar to the shop owner, but he handed back some real coins for my purse. "Keep the change!" he told me with a smile. Now, with both hands shaking, the little girl pulled out a dollar bill and some coins for her medicine. As she tried to count her money, I could see right away that she was about a dollar short. Quickly, I put a dollar bill onto the counter. The child collected her change into her coin purse and ran out. As I walked to my car, I felt a tug  on my shirt. There was the girl, looking up at me with her big brown eyes. She gave me a smile, and put out her little hand. It was full of coins. "Thank you," she said. "That's OK," I answered, smiling. "Just keep the change!" Question: The writer told the girl to keep the change because   _  . Options: A: the writer didn't need it B: the writer wanted to pass on love C: the writer was in a hurry D: the writer didn't like coins
Answer:
Answer: B