Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Little Smart or Xiaolingtong is becoming more and more popular in China. But you can use it only in your city. If you go to another city, it will have no use. It looks like a mobile phone, but the service( )is quite cheap. We only need to pay about 20 yuan a month for the line and about 0.1 yuan each minute for the talk. What's more, you don't have to pay any money when someone else calls you. But little Smart is not really so smart. Users often complain about( ) its bad voice. " I can't make or get a phone call when I am on a bus," a person in Hangzhou said. Scientists are trying their best to make Little Smart smarter. And the latest Little Smart even has a color screen. Options: A the service of it is very cheap B it's very expensive C it's very smart D it's very useful in another city Answer: A the service of it is very cheap Question:
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The answer is:
Little Smart is popular because _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Louie was _ chocolate. He loved having chocolate biscuits for breakfast. He asked his dad to buy all kinds of chocolate cookies for him. One morning, Louie's big brother, Ben, said to Louie, "You can't live without chocolate, can you?" "Of course I can," said Louie. "But I don't want to." "I bet you anything that you can't live without chocolate for one whole week," said Ben. Louie stopped eating his chocolate cookies and looked at Ben, "You bet anything? Even your new skateboard?" "Why not?" said Ben. "I'm sure you can't last seven whole days." "That's what you think," said Louie. And then he put his chocolate cookies into a box. Monday was easy for Louie. He had porridge for breakfast. On Tuesday he didn't exchange his yogurt for Anna's chocolate pudding at lunch. On Wednesday he went to Franco's birthday party and didn't eat the chocolate cake. On Thursday, Aunt Irene came to visit with chocolate-chip cookies. "I'm not really hungry," said Louie. On Friday and Saturday Louie didn't exchange his apple juice for Josh's chocolate milk. Then came Sunday. Louie woke up and found a glass of milk and a pile of chocolate cookies beside his bed. "Go ahead. Enjoy yourself," said Ben. Louie picked up a piece of chocolate cookie, but then he stopped, "I'm thinking how delicious it will taste tomorrow after I ride my new skateboard," said Louie. "Oh, no!" cried Ben. "I was so close!" ,. Options: A Louie hid all his chocolate cookies after the bet B Anna had chocolate pudding for lunch on Tuesday C Aunt Irene visited Louie's family on Wednesday D Louie wanted to exchange his apple juice for Josh's chocolate milk Answer: B Anna had chocolate pudding for lunch on Tuesday Question:
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The answer is:
According to the passage, we can learn that _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Some people like to get up early, but some do not. In fact, it is really good for us to get up early every day. Maybe those who don't like getting up early will not believe this, but it is true. Scientists made a survey in about one thousand people, and then they found that early rising people had less disease than late rising people, and early rising people also look healthier than late rising people, and so on. So we may know early rising is helpful in more than one way. First, it helps to keep us healthy. We all need fresh air. But air is never so fresh as early in the morning. Besides, it is useful to do morning exercises. Secondly, early rising helps us in our studies. In the morning we learn more quickly and find it easier to understand what we learn. Thirdly, early rising can give us a plan of our work for the day. We cannot work well without a good plan. Fourthly; early rising gives us enough time to get ready for our work, such as to wash our hands and faces and eat our breakfast. Late risers may find it difficult to form the habit of early rising. They have to make an effort to do so. As the English proverb says, "Early to bed and early to rise makes a man healthy, wealthy and wise. " Options: A in the morning B in the afternoon C in the evening D all the day Answer: A in the morning Question:
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The answer is:
Air is the freshest _ according to the passage.