问题
填空题
在特定测验条件下，将油品冷却使其产生雾状浑浊的现象的最高温度称为（）。继续降低温度到油品中出现用肉眼能见得到的晶体时的温度称为（）或（）点。
答案
参考答案：浊点；冰点；结晶
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在特定测验条件下，将油品冷却使其产生雾状浑浊的现象的最高温度称为（）。继续降低温度到油品中出现用肉眼能见得到的晶体时的温度称为（）或（）点。
参考答案：浊点；冰点；结晶
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| Not only adults but also teenagers have problems in their life. Here is a survey showing the main problems of teenagers. They feel stressed because they have too much homework to do both at school and at home. They have lots of exams to take. And parents usually send them to different classes at weekends. They don't have their own time to do what they are interested in. Now more and more teenagers are getting short-sighted (近视). They often read in bed or keep reading for a long time without having a rest. Some of them are crazy about playing computer games. Some spend too much time watching TV Another serious problem among teenagers is that many of them are becoming fat. They eat too much junk food, but they take little exercise. I think teenagers should think of ways to deal with the problems. They should make a plan for study and hobbies and find time to relax as much as possible. | ||||||||||
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