(Q).
I'm taking a test and have to guess the right answer to the question after the article. Article: Census Bureau data released Thursday show that 48 of the 50 most populous U.S. cities have grown since 2010, compared with only 40 of the top 50 in the first two years after the 2000 Census. Of the top 100, 93 have grown since 2010, compared with just 72 a decade ago. Many of the biggest, such as New York, Houston, Phoenix, San Antonio, San Diego and Dallas, are outpacing the nation's 1.7% growth rate since 2010. "Urban America is recovering faster than more remote places," said Robert Lang, a professor of urban affairs. Only two big cities - Detroit and Cleveland - lost population between 2010 and 2012. The urban recovery is led by mid-sized cities including Austin and Fort Worth and Charlotte. Austin grew 6.6% in two years, becoming the USA's 11th-largest city. In 2000, it was No. 17. Other trends: * New York City grew 2%, adding about 161,500 people since 2010. By far it is the USA's most populous city. * The population of New Orleans continues to grow. In 2005 a terrible natural disaster happened to the city, causing the population to decrease. Now it has a population of three hundred and sixty-nine thousand. The number has grown by 7.4% since 2010. * Government budget crunches have put state capitals in difficulty. Half are behind the growth rate of their regions. Perhaps the biggest exception to the capital crunch is Austin. It has grown more than 26% since 2000. Population expert William Frey says Austin enjoys a number of qualities that make it attractive. It's a high-tech city with a state university. And it's in Texas, an attractive place for newcomers. "In some ways it's a model of what other cities would like to become," he says. Frey notes that Charlotte, which grew 5.4% since 2010 has grown into a high-tech and financial center whose industries do business not just with those in other U.S. cities but with the rest of the world. Question: According to the text, Charlotte _ . Options: A: is a political center B: has grown slowly since 2010 C: is the USA's 11th-largest city D: does business at home and abroad
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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: When I was 16 years old, a boy gave me an important gift. It was a smile. It was the early autumn of my first year at a junior high school, and my old school was far away. As a result, no one knew who I was. I was very lonely, and afraid to make friends with anyone. Every time I heard the other students talking and laughing, I felt my heart break. I couldn't talk about anyone with my problems. And I didn't want my parents to worry about me. Then one day, my classmates talked happily with their friends, but I sat at my desk unhappily as usual. At that moment, a boy entered the classroom. I didn't know who he was. He passed me and then turned back. He looked at me, without a word, a smile. Suddenly, I felt the touch of something bright and friendly. It made me feel happy, lively and warm. That smile changed my life. I started to talk with other students and made friends. Day by day, I became closer to everyone in my class. The boy with the lucky smile has become my best friend now. One day I asked him why he smiled, but he couldn't remember smiling at me!It doesn't matter because all the dark days have gone. I believe that the world is what you think it is. If you think it lonely, you might always be alone. So smile at world and it will smile back. Question: Why was the smile an important gift? Options: A: Because the writer's old school was far away. B: Because the writer didn't know who the boy was. C: Because the smile didn't mean anything to the boy. D: Because it made the writer feel happy, lively and warm.
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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: There are robots all around us. Some do very complicated jobs like flying airplanes and driving subway trains. and some do one simple job. When an automatic washing machine is switched on, water pours in. The machine waits until the water is warm enough for washing clothes. It does this by "feedback" . Information about what is happening is feedback into the robot to tell what to do next. Our eyes, ears and other senses are our feedback. They tell us what is going on around us. So robots are like human beings in two ways. They work and they have feedback. In some ways robots are better than human beings. They work quickly and do not make mistakes. They do not get bored doing the same job over and over again. And they never get tired. So robots are very useful in factories. They can be taught to do many different jobs. First their electronic brain must be shown how the job is done. A person moves the robot's "arms" and "hands" through each part of the job. The most intelligent robots can move and see. Their eyes are cameras. Their fingers can feel shapes and sizes of the objects. These robots have computer brains linked to their eyes and fingers, which control their actions. The expensive robots are used in scientific research. They do such job as handling radioactive materials. Question: What does the author seem to inform you about robots? Options: A: They should be greatly improved. B: They will probably take over in the future. C: They are very helpful and useful to humans. D: They are machines that break down a lot.
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C