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In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
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Article: December 2 Sharon called about four times today. At least it shows she's trying to explain something to me. I feel a little better. December 3 This morning Sharon said she had only told one person and didn't know why everyone seemed to know. Yes, I am an adopted daughter. But she had promised to keep it a secret for ever! December 5 I wish I had a friend I could really trust all of the time. I thought I found that friend, but I haven't and it's making me miserable ! It's wrong to tell her all about it. She gains my trust, and then loses it. December 7 I have a nice room, beautiful house and everything I've ever wanted. My adoptive parents will give me all the things I've ever dreamed of. Yet all the money in the world can't buy what I want now. I want for Sharon to be my best friend again. December 10 Sharon just called. She said she thought it might help if we spent more time together. She worried that I would switch schools . She is the best friend I've ever had. When I'm with Sharon, I can be myself. I need Sharon's friendship. I need it more than I've ever known. December 16 I just had the most _ two days of my life! This was the best time I've had for a long, long while. Yesterday, we walked five times around the park and today we walked along the river for twenty minutes. We talked so much. Sharon, Sharon, no brick wall between us now.
Answer: Her friendship with Sharon.
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What is the author mainly worried about?

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Article: Global warming happens when greenhouse gases trap heat and light from the sun in the earth's atmosphere, which increases the temperature. This is like when heat is trapped in a car. On a hot day, the car gets hotter when it is out in the parking lot. This is because the heat and light from the sun can get into the car, by going through the windows,but it can't get back out. This is what the greenhouse effect does to the earth .The heat and light can get through the atmosphere, but it can't get out As a result,the temperature rises. Sometimes the temperature can change in a way that helps us. The greenhouse effect makes the earth appropriate for people to live on Without _ ,the earth would be freezing,or it would be burning hot. It would be freezing at night because we would not get the sun's heat and light .During the day, especially during the summer, it would be burning because the sun would be up with no atmosphere to filter it,so people,plants,and animals would be exposed to all the light and heat. Although the greenhouse effect makes the earth able to have people living on it,if there gets to be too many gases,the each can get unusually warmer, and many plants,animals.and people will die. Plants would die because they would not be able to take the heat .This would cause us to have less food to eat, and it would also limit the food that animals have. With less food for the animals that we need to survive we would even have less food. Gradually, people,plants,and animals would all die of hunger. People are doing many things to try to stop global warming .One thing is carpooling--driving with someone to a place that you are both going to. Another thing is being more careful about leaving electrical devices turned on. Now, more people are even riding buses or bikes to lower the amount of greenhouse gases in the air .Although adults do many things to help stop global warming, kids call do just as much.
Answer: It prevents all the light from the sun shining on the earth.
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What is the effect of atmosphere?

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Article: Almost every girl wants to be healthy and beautiful. They try every means to make themselves look smarter. "What are the best ways?" Many girls may have this question in mind. Here is some advice that is very important for girls to follow. Keep fit. Check with your doctor for your proper weight range and work to get and stay within it. Exercise, eat properly, and drink plenty of water to achieve that weight and be as healthy as you can be. As long as you're in your healthy range, you'll look great. Mind your style, from top to bottom. There are two things that can make or break your look: your hair and your shoes. Look through hair magazines and talk with your hairstylist about what will look good with your face structure. Always keep your hair clean and styled. Wear clean, feminine shoes. That doesn't mean you always have to wear high heels. Make sure you can walk comfortably in them. Be fashionable. Learn about your body type, height, skin and preferences. Discover yourself, and fashion will come to you. You don't have to wear designer clothes, especially if you can't afford them. You can look through fashion magazines, pick your favourites and then find the similar ones that you can afford. Smile, and do it like you mean it. Smile, be merry and people will notice that. It will help you in many ways. Be nice to others. Looking pretty doesn't give you the right to look down on others or treat them badly. Only having good appearance doesn't mean you are beautiful. However, in order to get slim and beautiful, some girls can easily be absorbed in losing weight, resulting in eating disorders. Keep in mind that being healthy is more important than being thin. So try to eat healthy food, take regular exercise and keep a good mood.
Answer: How to be a healthy and beautiful girl.
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What does the passage mainly talk about?