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Read the article and select the best answer. Article: NASA on Thursday announced the discovery of Kepler-452b, the most Earth-like planet ever found.Located 1,400 light-years from our planet, NASA called it "Earth 2.0", because it's the first planetdiscovered in the habitable zone of a G star similar to our sun."We can think of Kepler-452b as an older, bigger cousin to Earth, providing an opportunity to understand and reflect upon Earth's evolving environment," said Jon Jenkins, the Kepler data analysis lead at NASA's Ames Research Center. The planet is 5 percent farther away from its star than Earth is to the sun, making for a slightly longer year of 385 days, but gets similar light because its sun is 20 percent brighter than our own. "The sunshine from this star would feel very similar to the sunshine from our star," Jenkins told reporters. NASA believes the planet has a mass about five times more massive than Earth's, with a rocky surface below a thicker atmosphere than our own. Gravity would be about twice as strong on Kepler-452b as it is on Earth, NASA said. The planet is located in the Kepler-452 system in the constellation Cygnus . Its sun has the same surface temperature as our own, but has a diameter that is 10 percent larger. While NASA scientists have no idea if Kepler-452b's atmosphere is conducive to life, they do know that there has been plenty of time for organisms to develop. "It's awe-inspiring to consider this planet spent 6 billion years in the habitable zone of its star, which is longer the age of the Earth," Jenkins said. "That is considerable time and opportunity for life to arise somewhere on its surface or oceans if all the necessary conditions for life exist on this planet." Question: The reason why NASA called Kepler-452b "Earth 2.0" is that _ . Options: A: it is 5 percent farther away from its star than Earth is to the sun B: it has a mass about five times more massive than Earth's C: it's the first planet discovered in the habitable zone of a G star similar to our sun D: it is longer the age of the Earth
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C

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Read the article and select the best answer. Article: You can't resist that shirt on sale. And those cute red shoes also end up in your shopping bag. Or you buy a new computer that you can't live without. We've all bought things we wanted but really didn't need on impulse. US statistics show that in 2009 a surprising 60 percent of all-store purchases were made without thinking first. And the latest reported statistics for e-purchases say that forty percent are impulsive. So why do we do this? It feels good. This feeling comes from a chemical called dopamine , which is released when we do something we enjoy. How can we resist the temptation to spend? l Window-shop without your wallet. This way, when you see something you want, you can't buy it. If you really need the item, you can go back to the store to buy it. But it's likely you won't. l Pay in cash-don't use credit cards. They can trick you into thinking you're not spending money because the bill doesn't come until later. Using cash will make you think twice before spending. l Research the product first----then buy it. This will keep you from being talked into buying expensive hi-tech items like computers. l Make a shopping list----and stick to it. Buy only what is on the list. l Carry the exciting item around the store for 15 minutes. You will be surprised how that purple shirt loses its appeal after the initial "Wow, isn't that cool?" feeling wears off. It's hard to give up a bad habit. But if you replace it with a healthy habit, you will have more success. Consider going to the library instead of the bookstore. Explore new parks and learn about nature, or join a church or club. Exercise with friends or join a sports team. Question: According to the passage, people's happiness in shopping lies in _ . Options: A: the money they spend B: the goods they buy C: the success in their lives D: the physical reaction of their own
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D

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Read the article and select the best answer. Article: Though she is already one of the most famous pop stars of the 21st century, you've probably never heard of a 25-year-old singer, song writer named Stefani Germanotta --- but that's only because almost everyone knows her by her stage name, Lady Gaga. Born in New York City in 1986, Lady Gaga enjoyed music, singing and dancing from an early age: she started playing the piano when only four years old and loved performing in musicals at high school. At 17, she went to a special school for the arts but later left because she wanted to become a professional singer as soon as possible. She became a global star with her first album The Fame in 2008 and followed it in 2009 with The Fame Monster. Earlier this year she released a single, "Born this Way," which broke the record for quickest sales for a piece of music on iTunes, with one million downloads in only five days. Her third album, also called Born this Way, went on sale in May this year. www.ks5u.com Because of how much money she earns, how much she is written and talked about in the media, and how many internet searches are made with her name, Forbes magazine recently put her at number one in its list of the "world's most powerful celebrities ." Most music critics say that what makes Lady Gaga's music stand out are her strong voice and also the strong electronic rhythm of most of her songs, which makes them popular in nightclubs. They also say her music often sounds like the work of other artists, and she herself is quite open about the fact that groups such as Queen and female singers such as Madonna have been a big influence on her. More original than her music, perhaps, is the way she looks. A big part of her image is her outlandish clothes, with her strangest piece of clothing probably having been a dress made partly out of meat, which she wore once in 2010. Part of what has made Lady Gaga so famous so quickly is the way she has used social media. She has over 30 million Facebook friends, for example, and almost 10 million followers on Twitter. Question: What can we learn about "iTunes"? It is _ . Options: A: a single album of popular songs on sale. B: a mobile phone which shows live music performances. C: a center where pop stars get together. D: a software used to download music from the Internet.
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D