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I'm taking a test and have to guess the right answer to the question after the article. Article: Scientists have found that human eyes are more likely to be damaged by UV rays while skiing in the snow-covered areas than sitting on the beach, according to a report by the UK newspaper The Telegraph. The researchers at Kanazawa Medical University, Japan and American company Johnson conducted the study together. They looked at the effects of light reflection on newly fallen snow on a ski trail (a rough path) in Ishikawa District, northern Japan. They compared the results with the levels of UV rays on a sand beach in southern Japan's Okinawa District. They found that on the beach, eyes are exposed to a daily 260 kilojoules of UV a square meter compared to 658 kilojoules in snow-covered areas. The findings are supported by the Japan Meteorological Agency. According to the agency, the reflection rate of UV light on beaches is often between 10 and 25 percent, compared to 80 percent in the new snow areas. The amount of light increased 4 percent with a 300-meter rise in height. Most of us know that UV rays can harm the skin. That's why we wear sunscreen on our skin before we get out in the sun. But many of us may not realize that UV rays are also harmful to the eyes. If your eyes are exposed to large amounts of UV radiation over a short period of time, you may experience a kind of sunburn of the eye, which is harmful. Your eyes will become red and feel a strange feeling. They may be sensitive to light. Fortunately, this is usually temporary and seldom causes permanent damage to the eyes. Long-term exposure to UV radiation, however, can be more serious. Scientific studies and researches have shown that exposure to small amounts of UV radiation over a period of many years increases the chance of eye damage, which could lead to total blindness. Question: If a place is 1500 meters higher, the amount of light increases _ . Options: A: 15 percent B: 20 percent C: 25 percent D: 30 percent
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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: O. Henry, born in Greensboro, North Carolina, was the pen name of William Sydney Porter. His father, Algernon Sydney Porter, was a physician. When William was three years old, his mother died, and he was raised by his grandmother and aunt. William was a good reader, but at the age of fifteen he left school, and worked in a drug store and later on a Texas farm. After that, he moved to Houston, where he had a number of jobs, including that of bank clerk. After moving to Austin, Texas, in 1882, he married. In 1884 he started a humorous weekly The Rolling Stone. When the weekly failed, he joined The Houston Post as a reporter and columnist . In 1897 he was put into prison over some financial dealings. While in prison, William started to write short stories to earn money to support his daughter Margaret. His first work, Whistling Dick's Christmas Stocking(1899), appeared in McClure's Magazine. After serving three years of the five years' sentence,he changed his name to O. Henry, hoping to forget his bitter past. O. Henry moved to New York City in 1902 and from December 1903 to January 1906 he wrote a story a week for the New York World, and also published the stories in other magazines. His first collection, Cabbages and Kings, appeared in 1904. Many other works quickly followed, such as The Gift of the Magi and The Furnished Room. O. Henry's best- known work is The Ransom of Red Chief. His stories always have surprising endings. He published 10 collections and over 600 short stories during his lifetime. O. Henry's last years were shadowed by drinking, ill health, and financial problems. In 1907, he experienced a failed marriage. In 1910, O. Henry died after an illness. Question: O. Henry spent some time in prison because _ . Options: A: he got involved in some problems connected with money B: he joined The Houston Post as a reporter and columnist C: his weekly The Rolling Stone failed D: he couldn't earn enough money to support his daughter
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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: Blogs are being used more and more by teachers. Many Internet services now offer free and easy ways to create personal Web pages. Through comments on blogs, or Web logs, teachers can share their classroom experiences. They can exchange ideas and discuss successes and failures. They can debate educational policies. Or they can just sympathize with each other. A teacher in the American state of North Carolina recently wrote on her blog: "Apparently the teachers at my school use too much paper. So my principal yelled at everyone at the last staff meeting for, like, ten minutes. Now, I've just been told, we are not getting anymore paper for the rest of the year." This unidentified blogger is now in her third year of teaching, but still calls her sitefirstyearteacher.blogspot.com. A blogger who calls himself Minister Lawrence works as a substitute teacher. In April he wrote about a disputed plan to split the Omaha, Nebraska, public schools into separate systems for black, Latino and white students. Supporters say minority parents do not have enough power over their children's education. But Minister Lawrence wrote at teachersparadise.blogspot.com: "I'm afraid that what this says' to a lot of people is that blacks, whites and Hispanics are not equal, and "reinforces" racist beliefs among people." Educators did not become involved with blogging right away. Many were concerned with privacy issues and security. But now, thousands of teacher blogs can be found on the Internet. Many teachers do not identify themselves, and they change the names of students and co-workers. Question: Minister Lawrence's blogs are about _ Options: A: classroom experiences B: teaching plans C: educational policies D: the black minority
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C