Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: 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... Options: A positive B objective C uncertain D critical Answer: B objective Question:
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The answer is:
The attitude of KiChong Tran towards the development of 3D printing technology is _

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: 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. Options: A Because of science, diseases caused by polluted food have been virtually eliminated. B It has caused a lack of information concerning the value of food. C Because of the application of science, some potentially harmful substances have been added to food. D The scientists have preserved the color of meats, but not of vegetables. Answer: C Because of the application of science, some potentially harmful substances have been added to food. Question:
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The answer is:
How has science done something harmful to mankind?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: They stood outside the door - two children in shabby outgrown coats. "Any old papers, lady?" I was busy, I wanted to say no until I saw the snow on their clothes. And their little sandals were also covered with snow. "Come in and I'll make you a cup of hot cocoa." There was no conversation. Their wet sandals left marks upon the floor. I served them cocoa and toast with jam to strengthen them against the cold outside. Then I went back to the kitchen and started again on my household. The silence in the front room got me to look inside. The girl held the empty cup in her hands, looking at it. The boy asked in a flat voice, "Lady, are you rich?" "Am I rich? Mercy, no! " I looked at my shabby sofa. The girl put her cup back in its saucer carefully. "Your cups match your saucers, she said." They left then, holding their bundles of papers against the wind. They hadn't said thank you. They didn't need to. They had done more than that. Plain blue cups and saucers. But they matched. I tasted the potatoes and looked at the meat. Potatoes and meat, the roof over my head, my man with a good steady job - these things matched, too. I moved the chairs back from the fire and tidied the living room. The muddy prints of small sandals were still wet upon my floor. I let them be. I wanted them there in case I ever forget again how very rich I am. Options: A To offer them some warm clothes B To serve them some cocoa and food C To sell them some old paper D To show off her matched cups and saucers Answer: B To serve them some cocoa and food Question:
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The answer is:
Why did the author let the two children in?