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Read the following article and select the best answer. 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: What will the passage most probably talk about next? - Never ski on newly fallen snow in Japan. - Take some measures to protect your eyes while skiing in new snow areas. - Wearing a hat can provide protection while skiing in new snow areas. - Go to hospital to have your eyes examined.
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Take some measures to protect your eyes while skiing in new snow areas.

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Read the following article and select the best answer. Article: There are plenty of reasons that have put sea turtles in danger. Here are some. The sea turtles tend to live in water, but the females come over to lands for nesting. This is the time when they are in the most vulnerable position. Their nesting areas have been taken over by human settlements and recreation development. This has forced them to search for areas that are less suitable for nesting. The egg is the first step for a sea turtle to have a chance of life. And this first step of life has become vulnerable in many countries. The sea turtles have no way to protect their eggs. As a result, the poachers have an opportunity to steal their eggs. The sea turtles are caught in shrimping vessels that use nets. The nets can drown these poor creatures. They die, as the nets are not pulled out fast. Gill nets and drilling for oil also _ habitat destruction and injury to the animal. One female sea turtle can lay hundreds of eggs in one nesting season. These eggs are preyed on by crabs , foxes, birds, and humans, as they make their run towards the sea. By the time they reach the shallow water, half of them have been removed by their predators on land and some are eaten up by fish in water. Only a few lucky ones win the battle of survival and live past their 1st birthday! The sea turtles take more than a decade to reach maturity. Then they start breeding and adult turtles have to live for many years to maintain the balance of population. However, as mentioned above, the adults face a lot of hardships for surviving. Pollution, long lines of fishing fleets, high seas, and even tumors, etc., all cause death of these massive, beautiful species. Question: When sea turtles are nesting, probably _ . - they are not afraid of humans - they usually hide behind big rocks - they don't have anything to protect them - they pay no attention to their surroundings
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they don't have anything to protect them

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Read the following article and select the best answer. 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 _ - classroom experiences - teaching plans - educational policies - the black minority
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educational policies