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I'm taking a test and have to guess the right answer to the question after the article. Article: All presentations should include the beginning, the middle, and the end. The first part of your presentation should always present the problem. The middle of the presentation should present your key findings. By the end of the presentation, your audience should have a better understanding of the solution. Less is more. There's a tendency to make a presentation slide excessively complicated with flashy images, strange transitions, and too much text. These features are often unnecessary, and tend to make the viewers get bored. Instead, keep each slide short and plain, using one image to sell your idea. Using bullets is a bit of a cliche , but if you must use them, never exceed more than one line of text per bullet. Branding is the key. Whether you're stating a new business idea to investors or describing a new product to customers, you'll want your presentation to reinforce your brand's image. Use the same color1 schemes, fonts , and logos that you use on your website or company literature. There's an assumption of what a Power Point is supposed to look like, and company standards falls through the floor. Give them a break. According to a recent research, the average adult attention span for a presentation is just 20 minutes. It's always best to keep your presentation short and to the point, but if you must exceed the recommended 20 minutes, try giving your audience a moment to relax. "You can extend attention spans by giving your audience a rest," the study says. This can be done by telling a story, giving a demo, or doing something else that gives the brain a break. Practice it again and again. In the end, a great presentation will come down to the speaker's ability to capture the audience's imagination and keep their attention. The presentation and the speaker should work together and they can be complementary to each other. The best presenters won't have to look down at the notes and will never be reading from a script. A good speaker can focus on the key points and convey information well. Question: According to the passage, a good presenter always _ . Options: A: looks down at notes from time to time B: takes a break in the process of presenting C: keeps his presentation beyond 20 minutes D: catches the audience's imagination and attention
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D

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I'm taking a test and have to guess the right answer to the question after the article. Article: Jiajia, a third grader who was born with anemia, a medical condition in which there are too few red cells in blood, wrote an affecting article that moved many netizens. In the article, she shared her biggest wish: to survive so she could take care of her grandparents. Jiajia, 9, currently lives in the city of Suining in Sichuan province. In the article, she writes, "My heart gets heavier each time I see my grandma cry for me. If I ever get to grow up, I will take good care of her." Jiajia contracted pneumonia when she was 4 months old. Since then, she has required a blood transfusion every two weeks. After her parents' divorce, her grandparents took her in and faced many challenges in the process of raising her. The girl's article was only 235 words long, and it was handed in as a school assignment. Nevertheless, Jiajia's words "deeply impressed" her elementary school teacher, who then posted the article online, where it struck a chord with many people. Up till now, a fund started by teachers at Jiajia's school has reached more than 30,000 RMB, which will be put toward Jiajia's future blood transfusions. Question: How can Jiajia survive? Options: A: by receiving a blood transfusion every two weeks. B: by being in hospital every day. C: by receiving a big operation at once. D: by being looked after by her parents.
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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: Your brain isn't a muscle, but you can treat it like one Many people focus on physical fitness, but few know that brain fitness is also something you can work on. In fact, you can exercise your brain as often as you do to your arms or legs-and the results can be positive and empowering. To improve your brain, you can't simply repeat the same exercises over and over. Just as lifting a two-pound weight will stop challenging you, so will repetitive exercises such as crosswords or Sudoku. Once you master easy exercises, you must move on to harder ones in order to push your brain-like your muscles-to a new level. The science behind brain training Scientists once believed that your mental abilities were fixed in adulthood. Since studies have shown just the opposite, millions of people around the world have adopted the new practice of brain training. The most popular of these brain training products is made by the San Francisco-based Lumosity. Lumosity's scientists with an experienced team of game designers have developed a fun,effective online brain training program that measures, tracks, and adapts to your progress, so you'll always be challenged. Promising studies on the effects of brain training In a 2013 Stanford study, a treatment group of 21 breast cancer survivors used 12 weeks of Lumosity training to work on processing speed, mental flexibility, and working memory tasks. On average, those who trained improved on tests of these abilities, compared to a group that did not train with Lumosity. There is even some evidence suggesting that Lumosity may be beneficial to normal, healthy adults. In a 2011 study by Lumosity and San Francisco State University researchers. 13 people who trained over 5 weeks improved working memory scores by 10%and attention scores by 20%. Brain training is designed to meet real-life needs The design of brain train ing is targeted at real-life benefits instead of improving game scores. Better attention, for example, can mean greater focus in the classroom or at an important business... Question: What can we infer from the passage? Options: A: People should care more about physical health instead of mental health. B: Brain training has been proved effective through scientific researches. C: A bad memory is the only reason for weak relationships with people. D: Playing online games is the best way of brain training.
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B