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I'm taking a test and have to guess the right answer to the question after the article. Article: Imagine having an idea, drawing it on paper, bringing it to a store and seeing it turned into a physical object. This is now possible with the help of 3D printers. Such machines were once used just by universities and big companies, but now, stores with 3D printing services are appearing around the United States. Bryan Jaycox and his wife opened The Build Shop LLC in Los Angeles two years ago. The store is filled with tools like a laser cutter, an industrial sewing machine and 3D printers. The Jaycoxs offer 3D printing classes and services for anyone who is interested. "I think 3D printing is going to be huge. It's going to have a huge effect on society as a whole." One of the students in a recent class was KiChong Tran. He plans to open a 3D printing business in Cambodia. 3D printing services are becoming available for American consumers. The UPS Store is a nationwide retailer ( ) that provides shipping, copying and other services. The UPS Store recently put 3D printers in three of its independently-owned stores. Burke Jones owns one of the stores in San Diego. "The demand has been amazing. It's been much more than I would have imagined." The UPS Store plans to add 3D printers in three more stores. At The UPS Store, the cost of the object depends on the amount of materials used. The store charges up to $95 an hour to design the object with computer software that creates a digital file to guide the printer. Mr. Jaycox predicts that within five years, 3D printing technology could become more popular. But KiChong Tran says even current technology can make a difference in a developing country like Cambodia. "With 3D printing, you can give them tools; you put it in their hands so they are responsible more for their own development and they learn skills beyond just learning English and becoming a tour guide or something like that or working at a bank; you can actually create things that give value to the world." He says it's not just in Cambodia but anywhere where there is a 3D printer that it can turn a good idea... Question: At the UPS Store, the price of a 3D object depends on _ Options: A: the person who makes it B: the materials to make it and time to design it C: the size of the object D: the labor service it needs
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: Nowadays, the food we eat seems to have great effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well, especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures. That food is related to illness is not a new discovery. In 1945, about 68 years ago, government researchers realized that nitrates, commonly used to preserve color in meats, and other food additives, caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and living animals, and because of this, penicillin has been found in the milk of treated cow. Sometimes similar drugs are given to animals not for medical purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue. Question: Which of the following statements is NOT true? Options: A: Drugs are always given to animals for medical reasons B: Some of the additives in our food are added to the food itself and some are given to the living animals C: Researchers have known about the potential dangers of food additives for over thirty-five years. D: Food may cause forty percent of cancer in world.
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: When Abraham Lincoln was invited to give a speech in Brooklyn, New York, in February 1860, he was already famous throughout Illinois, but almost no one in the East knew what he looked like. The presidential election of 1860 was coming, and Lincoln, as a possible Republican candidate , wanted to increase his popularity. Hoping to introduce himself to hundreds of new voters , Lincoln eagerly accepted the invitation to the East. He wrote a powerful speech opposing slavery . Then he went to Springfield, Illinois by train. When Lincoln arrived in New York, he was surprised to learn that so many people had bought tickets for his speech that it had been moved from a small Brooklyn church to a New York City college. Lincoln got to town exhausted. His suit was badly wrinkled , and his one piece of luggage was old and covered with dust. Worst of all, his plain face, uncombed hair shocked those who greeted him. However, his admirers decided to have Lincoln photographed . If the cameraman could make Lincoln a little handsome, perhaps he could win more votes. They found the city's most famous photographer Brady. Brady and his assistants looked through the camera and surprised by what they saw. So they decided to make an adjustment before they took the picture. Brady walked over to Lincoln and pulled up Lincoln's shirt collar as high as it would go. As a result, the picture successfully covered up his long, ugly neck, which made Lincoln appear quite handsome. Lincoln's speech that day proved to be a triumph. So did the photograph. The photo inspired thousands of copies; so many that Brady insisted that this picture became the means to Lincoln's election to the Presidency nine months later. If that's true it might be said that Lincoln won the election by a neck--a neck that had been shortened in New York. Question: How did Brady shorten Lincoln's neck? Options: A: By a small operation. B: By changing his clothes. C: By pulling up his shirt collar. D: B retouching the photograph.
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C