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I'm taking a test and have to guess the right answer to the question after the article. Article: Half a year ago I came across a book called"Salt,Sugar and Fat. How the Food Giants Hooked US",but finished it only recently. I am far from being a fan of junk food,over-salty,or over-sweet stuff,and honestly this food doesn't appeal to me at all. Maybe it is related to the fact that I grew up in Russia and at that time we were not so exposed to the foreign, especially made in America foods. We knew Coca Cola,Pepsi,juice powder and Cheetos,but this stuff was not so cheap or available to buy it every day and we couldn't buy them in large quantities. We didn't know the word"fat"was not a bad thing but a normal of life for some people. We always had sweets and especially on holidays they were served as a dessert along with a cake. Russians like eating sweets when they drink tea. Even with my passion to desserts I still can'trelate myself to the people Michale Moss was writing about, those consumers who could not say"no" when it came to junk food. What I found interesting in the book was that the author didn't focus on diets, necessity to exercise,sleep well at night and all other things we all are pretty aware of. The aim was not to teach people how to live but instead,after having made a huge research,interviewed more than 100 people in the food industry,Moss reveals the ugly of the food business. It puts all the facts in front of us and offers a choice:to buy or not to buy. However,the answer was known at the very beginning. Moss mentions the well-known food like Coca,Cola,Pepsi,Nestle and some others and tells how skillfully the consumers can be cheated when it comes to choosing what to put in the food basket in the supermarket. We like this taste of a chocolate,the crispy chips,and sweet porridges because it was all put on test by groups of scientists who made experiments to reveal what kind of taste will be most appealing to us. It involves brain,of course. Apart from scientific researches, it was also due to successful marketing strategies and plans that people prefer to buy food. In this companies'money... Question: The author wrote the passage mainly to _ . Options: A: introduce a healthy diet B: expose the ugly side of food companies C: call on the potential readers to live healthily D: recommend the book written by Moss
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D

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I'm taking a test and have to guess the right answer to the question after the article. Article: Imagine this: you get up in the morning and put on a custom printed T-shirt. Then you eat some 3-D printed food and relax on your printed sofa. Perhaps you take a ride in a printed electric car to the hospital to get a printed tooth fitted. Though some of these things may seem impossible, they're closer to reality than you might think. The world of 3-D printing is coming to a store near you soon. The idea of 3-D printing is to produce complicated shapes in a very personalized way. If you want to make a totally new object, you need to make a virtual design in a CAD(computer aided design)file first. Or you can use a 3-D scanner to make a digital copy of an object. Then, based on the design or copy, the 3-D printer makes paper-thin slices out of liquid, plastic, or metal and puts them together to create the object you want. There are many areas in which 3-D printing can change our lives. One such area is health care. Researchers have developed simple 3-D printed organs, which can be used in life-saving operations. A 17-year-old boy in the US has also recently developed a brain-powered, 3-D printed replacement hand. From heart monitors to fake limbs , we can soon be living longer thanks to 3-D printed technology. Another area that 3-D technology looks sure to change is food. Can you imagine being able to print your favorite dishes at home at the touch of a button? Even big companies are behind the trend. Hersheys, one of the largest chocolate makers in the world, recently announced that it would start producing chocolate with the help of 3-D printers. NASA, the US space agency, has reportedly spent $125,000 (767,594 yuan) developing a "3-D pizza printer". It is not yet clear how long it will take until 3-D printers are available to everyone. But one thing is for sure: the possibilities are endless. Question: What can be the best title for the text? Options: A: What is 3-D printing? B: A new technology-3-D printing. C: How to use 3-D printing? D: The development of 3-D printing.
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: Everywhere you will always find "the white--haired boy", sometimes called "the fair-haired boy" He gets special treatment, as if he were above everybody else. You will find him in school, in college, at home, or where you work. In school, he is the teacher's pet, her darling who can do nothing wrong. Sometimes she lets him do little jobs for her. He comes to class in the morning, all shiny and clean, He is always raising his hand, ready with an answer to the teacher's questions. And he knows all the answers. _ especially if you are at the bottom of the class and the teacher thinks you are stupid. How you hate the white-haired boy! In college, he walks--more often strides--across the school grounds as if he owned them. Sometimes he wears a colorful football or basketball shirt or sweater, with a bright red, or green or yellow college letter proudly worn on the front of it--as a big B, for Bullfinch University. What broad shoulders, what muscles he has! He makes the girls happy by just smiling at them. He has the mark of success on him. At home, "the fair-haired boy" is mother's choice, her favorite. Sometimes, he is the oldest son--at times, the youngest. If you are in between, you are out of luck. On the job, you might meet another of these "white-haired boys"; you cannot escape him. For some strange reason, he is the man who always moves ahead. He gets better and better jobs, with more and more money. But you stand still, wondering why, and trying to explain to your-self why you hate him so much. Then, you discover that there are others who share your feelings, ready to "let their hair down" --to tell you their private thoughts. One of them asks: "What does he have that I haven't got?" You ask yourself the same question. Finally, there comes a day when you decide to stop hating him. Is it perhaps because he has been made boss and you find yourself working for him? Question: From the passage we can know that "the white-haired boy" refers to _ Options: A: a child who is mother's favorite B: a student who is hated by everybody C: a pet who is hated by everybody D: a person who is lucky all the time
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D