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Article: Many scientists find that colours can change people's feelings. It's very interesting. Some colours can make people feel relaxed,and some colours can make people feel nervous. Now,this kind of knowledge is being used in many places. For example, school walls are always painted green because green makes students feel relaxed. It is also good for the students' eyes. Some books are also green or light blue for the same reason. Restaurant owners not only have to know how to make food,but also have to know how to make money. Here are some things they've learned from scientific studies. The colour red makes people hungry. Many fast food restaurants have red furniture or walls. Soft colours like pink and light blue make people feel relaxed,so they spend more time eating. Loud music may be nice at first,but it soon makes people want to leave. Hard seats also make customers want to eat quickly and leave. Many restaurants,especially fast food restaurants,use this knowledge to make customers eat faster. Question: Which colour isn't mentioned in this passage? Yes or no, is the answer "White."?
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No

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Article: Mr Smith works in a factory in the middle of the city. The factory is not far from his home. It is about 800 meters away. So Mr Smith doesn't go to work by bus. He usually goes there by bike, sometimes he walks to work. It takes him 10 minutes to get there by bike or 20 minutes on foot. He usually leaves home at ten minutes to eight. Today something is wrong with his bike. He wants to walk there. His work starts at half past eight in the morning and finishes at a quarter to five in the afternoon. ,. Question: Mr Smith usually goes home from work at _ in the afternoon. Yes or no, is the answer "4:45."?
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No

(Q).
Article: Dear Abby, I am a helpless mother, my son is 15 years old. I find out that the older he grows, the less we talk. I feel very worried and I really need help. My first problem is about his hobbies, he seems to spend too much time on computer games. As soon as he gets home, he always turns on the computer, closes the door and locks others out. I am getting worried about him, especially when his English teacher told me he always fails(,) in the English exam. Secondly, it seems that he is crazy about the new technology. However, to be honest, I don't have enough money and I can't _ all the things he wants. Recently, I have found that he seems to be always alone. I have never seen him talking to his friends on the phone or going out with anyone on weekends. That is the last problem I have. Do all the boys behave this way? What should I do to help him? A helpless mother Question: How many problems does "a helpless mother" have? Yes or no, is the answer "Three"?
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No