[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: One cold winter morning, an old woman had to go to see her doctor. When she walked into the doctor's office, she told him that her right leg hurt and sometimes she could not walk. She asked him what was wrong. She told him that she had never had such a feeling before. The doctor checked the old woman carefully, then he said, "You're in good health for a woman of your age. I think the trouble in your right leg is just a matter of old age catching up with you. We get all kinds of illness as we get older. The trouble will almost certainly end in spring." "I don't think so, doctor!" she said. "My left leg is well, and it's the same age as my right one." Options: A The doctor and the woman were the same age. B The woman's right leg was longer than her left one. C The woman's trouble didn't come in spring. D The woman caught a train to see the doctor. Answer: C The woman's trouble didn't come in spring. Question:
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[A]: Which of the following is TRUE?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Can dolphins talk? Maybe they can not talk with words,but they can talk with sounds. They show their feelings with sounds.Dolphins travel in a group.We call a group of fish a"school".They do not study,but they travel together.Dolphins are mammals ,not fish,but they swim together like fish in a schoo1.Dolphins talk to the other dolphins in the schoo1.They give information to the others.They talk when they are happy,sad or afraid.They say"welcome"when a dolphin comes back to the schoo1.They talk when they play. They make some sounds above water.They make many more sounds under water.People cannot hear these sounds because they are very,very high.Scientists make tapes of the sounds and study them.Sometimes people catch dolphins for a large aquarium .People can watch dolphins in a show.Dolphins do not like to be away from their school in an aquarium.They are sad and lonely.There are many stories about dolphins.They help people.Sometimes they save somebody' s life.Dolphins' meat is good,but people do not like to kill them.They say that dolphins bring good luck.Many people believe this. Options: A a place for students to study B a group of fish traveling together C a special kind of animals D a place for training dolphins Answer: B a group of fish traveling together Question:
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[A]: The word"school"in this passage means _ .

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: You've heard of 3D printing from newspaper and TV programs. It can "print" in plastic, metal, nylon, and over a hundred other materials. 3D printing technology has been around since the 1980s, it was not widely used until the early 2010s. The first working 3D printer was created in 1984 by Chuck Hull. 3D printers use many different types of technologies, but they all share one thing in common: they create a three-dimensional object by building it layer , by continuing layer, until the whole object is completed. Imagine a baker lay down each layer one at a time until the whole cake is formed. 3D printing is somewhat similar, but just a bit stricter. How can 3D printers work so well? The most important thing-a program, a 3D printer also needs to have instructions for what to print from a computer. It needs a file as well. The file which is a Computer Aided Design (CAD) paper is created with the use of a 3D modeling program. The program creates a paper that is sent to the 3D printer. Along the way, software pieces the design into hundreds, or more likely thousands of layers. The 3D printer builds up one layer at a time, from the bottom to the top, until the object is done. 3D printings can be used for making many kinds of things such as machine parts, daily life objects, even human organs using a person's own cells. Nowadays, Marc. Dillon founds a project which deals with many world famous paintings like Leonardo da Vinci's Mona Lisa, Van Gogh's Sunflower with 3D technology. This project helps the blind people enjoy the fantastic art through touching. In order to provide a good user experience, these 3D paintings have special instruments which can tell people what they touch. Options: A 3D printers use 3 types of technologies. B 3D printers make printings from the top. C 3D printers work as a baker makes a cake. D 3D printers piece the design into a few layers. Answer: C 3D printers work as a baker makes a cake. Question:
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[A]: Which of the following is true?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen, as the one place in our solar system most likely to have life. Early last month, the first American robot, Spirit, landed on Mars without any problem. Opportunity, the second robot, landed on the planet more than a week ago. Scientists are very excited about these machines' safe landing on Mars. It means that now we have an excellent chance to look for water and other signs of life. So far, the robots have found some stones that could show Mars was once a wet and warm planet. But the trips made by Spirit and Opportunity were dangerous. Mars is often called the "death planet", because in the past its environment has been unfriendly to the robot explorers. Before Spirit and Opportunity, nearly forty spaceships had been sent to Mars since the 1960s. Two-thirds of them failed. The first spaceship, Korabl, sent in 1962 by Russia was among them. It broke apart near the earth. Options: A they can surely find life on Mars B there may be life on Mars C it's too late for them to explore Mars now D Mars is the only planet that has life on it Answer: B there may be life on Mars Question:
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[A]:
For a long time humans think _ .