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I'm taking a test and have to guess the right answer to the question after the article. Article: For poets, bird song is a beautiful expression of nature in full bloom. But for scientists, the chirps of birds are far more meaningful than just pretty sounds. Latest studies show the way that young birds learn to sing is similar to that of a human baby learning to speak. "The question we're trying to answer is how a young bird learns its song," says Professor Michale Fee of MIT. Bird's creative, trial-and-error type of learning provides an ideal model for studying similar processes in humans. An example is how a baby's babble turns into the recognizable syllables of mama and papa. Also the part of the brain that is involved in bird song is very similar to that of a human. So birds may have something to teach us about our own brains, Fee said. The study shows that young birds like to create new and imperfect songs. Gradually, the youngsters' songs become less different and more similar to the sound of their parents. Scientists disabled part of a young finch's brain and stopped the learning in midstream. The bird still sings. But never learns the right songs. Fee's team found that the part of the brain involved is called the anterior forebrain pathway. Its neurons produce random bursts that make the young bird make new sounds and compared it with that of their parents. They also find out that once a bird is old enough that part of the brain will be less active. The study does not enable us to really understand the meaning of bird language. But Fee believes it will eventually be applied to human brain diseases, such as Parkinson's disease. Question: The subject discussed in the passage is _ . Options: A: bird language B: how birds learn songs C: human brain diseases D: how birds create new songs
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: I paid a visit to Cambridge last January. Though the trip took me 5 hours and it rained the whole day with strong winds there, the town deserved a visit. The bus started at 6:10 a. m. It stopped at 4 airports before we finally arrived,which wasted more time than we expected. Tired with long sitting,one passenger stood up to relax his numbed legs. The driver asked him to sit down but in vain. So he pulled up and said seriously, "Either you get off or sit down." To him, safety is the first policy. Cambridge consists of over thirty colleges. The oldest part of the university was built in the 13th century while the newest was founded in the mid 1960s.The number of the students is so great that many students live in lodgings and move into college for their final year. Cambridge is called a university town because there is no clear separation between the university buildings and the rest of the city. The university is not just one part of the town;it is all over the town. The heart of Cambridge has shops,pubs,and supermarkets,but most of it is university-colleges,departments,libraries,clubs and other places for university staff and students. Students fill the shops,cafes,banks and churches,making these as well part of the university. With over 10,000 undergraduates and postgraduates, the town is a busy place indeed. Students here are not allowed to keep cars. If you happen to be walking in the street during a break,better stop a moment to avoid the boiling sea of bicycles hurrying in all directions,carrying students from one college or lecture room to another. Question: It can be inferred that most Cambridge students take _ as their first means of transport. Options: A: boats B: cars C: bicycles D: buses
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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: Pop star Britney Spears _ with a childhood friend,but their two-day-old marriage was dissolved Monday shortly after Britney filed for an annulment(/).She described the marriage as"a joke that went too far,"said one source closed to Spears."I don't even know if she loves him,"the source said. The 22-year-old diva(most important singer)walked down the aisle at a Las Vegas wedding chapel early Saturday,the reports said,marrying Jason Alexander,also 22,a childhood friend from her hometown of Kentwood,Louisiana whom she had recently begun dating. Spears wore jeans and a baseball cap,and was escorted down the aisle by a hotel bellman,according to the People.com. The two apparently decided to marry while partying at the Palms Casino Hotel Friday night,and did so at the Little White Wedding Chapel in Las Vegas.The honeymoon was spent at the Palms,but the next night Spears was seen dining with a group that did not include the groom at a hotel steakhouse. Raised in the US south,the pop diva started her career at a television program The Mickey Mouse Club at age 11,becoming a famous teen singer. All four of her CDs.including most recently November'S"In the Zone,"debuted at number one on the charts. Question: What made Spears most famous in the world is that_. Options: A: she got married to a man who she just dated for two days. B: she got divorced two days after her new marriage. C: she began to appear on the stage as a teen singer. D: she made great achievements in singing.
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D