Problem: Given the question: Write a multi-choice question for the following article: Article: How can you find out what is going on inside a person's body without opening the patient's body up? Regular X rays can show a lot. CAT scans can show even more. They can give a complete view of body organs. What is a CAT scan? CAT stands for a kind of machine. It is a special X-ray machine that gets a 360-degree picture of a small area of a patient's body. Doctors use X rays to study and determine diseases and injuries within the body, X rays can find a foreign object inside the body or take pictures of some inside organs to be X-rayed. A CAT scanner, however, uses a group of X rays to give a cross-sectional view of a specific part of the body. A fine group of X rays is scanned across the body and around the patient from many different directions. A computer studies the information from each direction and produces a clear cross-sectional picture on a screen. This picture is then photographed for later use. Several cross sections, taken one after another, can give clear "photos" of the entire body or of any body organs. The latest CAT scanners can even give clear pictures of active, moving organs, just as a fast-action camera can "stop the action", giving clear pictures of what appears unclear to the eye. And because of the 360-degree pictures, CAT scans show clear and complete views of organs in a manner that was once only shown during operation or examination of a dead patient. Frequent appearance before X rays can cause skin burns, cancer or other damage to the body. Yet CAT scans actually don't cause the patient to more radiation than regular X rays do. CAT scans can also be done without getting something harmful into the patient, so they are less risky than regular X rays. CAT scans provide exact, detailed information. They can quickly find such a thing as bleeding inside the brain. They are helping to save lives.
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Question: The best title of this passage might be_.Options:A the Newest Medical InventionB New X-ray Machine to Save LivesC How to Avoid the Damage of X RaysD Advantages and Disadvantages of CAT ScannersAnswer:B

input question: Write a multi-choice question for the following article: Article: Do we really know what dinosaurs looked like? Of course we do. We see them everywhere, not only in museums, but also in movies, magazines, and even in the toys we get from McDonald's. Since the days of early cinema, dinosaurs have captured our imaginations. They are often shown as scaly beasts with sharp horns and crocodile-like bellies . But the big screen dinosaurs are "a leap from what we know", Mark Norell, who studies dinosaurs at the American Museum of Natural History in New York, told Discover magazine. The reality of drawing dinosaurs for movie studios, magazines, or museums is that the artist often only has half of a skeleton to work with. Many existing and newly-discovered dinosaurs do not have a complete skeleton, which makes it difficult to tell what they looked like. And even with a complete skeleton, there is a lot of room for interpretation. "Look at an elephant's trunk and ears," Jason Brougham, a dinosaur sculptor at the American Museum of Natural History, told Discover magazine. "It's impossible to guess those features by only looking at the skeleton." Researchers suggest that the dinosaurs of old could have had trunks like an elephant or even red necks like a turkey. They could have had colorful spots, stripes , and other interesting patterns on their bodies, just like snakes. Yet, with only a few fossilized bones to study, it is impossible to know for sure. Remember the cruel and quick-running velociraptors in the US film Jurassic Park? Now experts believe that they were much smaller than in the movies, about the size of a large chicken, the BBC has reported. Since the 1990s, some well-preserved dinosaur fossils have been found in China's Liaoning province. Thanks to that, we have known for a while that one group of dinosaurs was covered in feathers. And thanks to the recent discovery of a feathered plant-eating species in Russia, many scientists now believe more dinosaurs than we previously thought had feathers, much like a chicken. Also, in 2007, scientists confirmed that...???
output answer: Question: The author mainly makes his point by _ .Options:A making contrastsB giving examplesC quoting numbersD describing movie scenesAnswer:B

Please answer this: Write a multi-choice question for the following article: Article: Everyone wants to achieve true happiness in life. But the biggest factor holding most of us back is actually our ownselves. The Huffington Post released a list of seven mistakes we need to let go of in order to become happier people. Let's take a look. 1.Placing too much emphasis on fulfillment Those who put a lot of pressure on themselves to be happy feel more lonely on a daily basis than those who do not, according to research conducted at the University of Denver, US. 2. Keeping it all in Keeping it all together during tough times can hurt you. Crying is the body's emotional response to outside triggers .By _ it, you may be damaging your mental and physical health. 3. Looking at your smart phone all the time Connecting with others may be the key to happiness, but a recent University of Michigan study found that the more time participants spent on social networking sites, the less happy they felt. 4. Not moving It's no secret that a healthy lifestyle is a big part of happiness. Something as simple as a walk can help you increase your creativity and expose you to essential vitamins. 5. Not reflecting on the past In a 2013 study on nostalgia and emotion, participants reported a higher sense of physiological comfort when they looked back on the past. Affection for heartwarming memories helps people relate their past experiences to the present in order to create a greater sense of meaning. 6. Resisting change A study on the psychology of choices shows that the human brain naturally tries to avoid loss--but that resistance can cause stress. Whether it's fear of the unknown or fear of losing what you currently have, the pressure to hold on to the present can harm your future life satisfaction. 7. Not being mindful Setting aside time for meditation allows your body to relax, cultivates an attitude of gratitude and lowers your stress level, according to researchers at University of California, Los Angeles, US.
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Question: What is the main purpose of the article?Options:A To inform readers of the benefits of being happy.B To explain why our happiness depends on our own actions.C To point out the things we do that prevent us from being happy.D To discuss some typical characteristics of happy people.Answer:C