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Read the article and select the best answer. Article: Have you ever felt you were being watched? Some new technologies might make you feel that way. Digital billboards are being created with ability to recognize certain characteristics. These high-tech devices have cameras pointed at the people on the street, and software that tries to recognize people by age and gender. A computer inside the billboard then uses the information to display ads that are directed at the people who are looking at the billboard. For example, if a man passes a billboard featuring an ad for cosmetics, the computer can change the ad to something that is more likely to catch the man's attention, such as football games. While advertisers see this as a great opportunity to reach their target customers, some people feel that this kind of profiling is an invasion of their privacy. People are now much more aware of how information is exposed, shared, bought, and sold on the Internet. Now this debate will involve technologies such as "smart" billboards. But advertisers claim that they are sensitive to people's concerns about privacy--companies that have tested the billboards in Japan and the U.S. assure consumers that the billboards can only guess your age and gender, but they will not be able to recognize your face or obtain any personal information about you. Until recently, this kind of personal advertising has been mostly limited to the Internet. Search engines like Google and Bing can follow what we search for because each computer that connects to those sites has a unique identity. Companies then pay search engines to use this information to display ads for products and services that you have searched for. So if you search for travel information, you are likely to see ads for airlines and hotels. This kind of advertising has proven to be much more effective--and valuable--than traditional advertising. In addition to taking steps to deliver more personalized messages, advertisers are using billboards to offer more useful information. Digital billboards can connect to the Internet to... Question: What is a Bing user likely to see when looking for travel information? Options: A: Ads for hotels. B: Discounts on shoes and clothing. C: Ads for delicious food. D: The pictures of beautiful scenery.
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A

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Read the article and select the best answer. Article: Time magazine named Russian President Vladimir Putin its "Person of the Year" for 2007 on Wednesday, saying he had returned his country from chaos to "the table of world power" though at a cost of democratic principles. He doesn't care about civil liberties; he doesn't care about free speech; he cares about stability. But Putin, 55, is enormously popular in Russia, presiding over a resurgent economy based on income from oil and natural gas. On the other hand, stability is what Russia needed and that's why Russians adore him. Time magazine said on its Web site that Putin, the son of a factory worker had led Russia with persistence, a sharp vision and a sense that he showed the spirit of "Mother Russia". The selection came days after Putin announced a plan to hold onto power after his term ends next year. Putin said on Monday that if his close ally ,Dmitry Medvedev, won the presidency, he would serve as Medvedev's prime minister. "Putin has put his country back on the map. And he intends to redraw it himself,"Time said. "He will continue to lead his country as its prime minister and attempt to transform it into a new kind of nation, beholden to neither East nor West." Time said the person of the year distinction, which it has awarded since 1927, is not an endorsement or a popularity prize but a recognition of the individuals and forces that shape the world. "At significant cost of, the principles and ideas that free nations prize, (Putin) has performed an extraordinary _ of leadership in placing stability on a nation that has rarely known it and brought Russia back to the table of world power. For that reason, Vladimir Putin is Time's 2007 Person of the Year," the magazine said. Time had earlier selected four other Kremlin leaders for the distinction: Stalin, who was chosen twice, Nikita Khrushchev, Yuri Andropov and Mikhail Gorbachev. Question: What can we inter from the passage? Options: A: Russia, including the former Soviet Union, has been one of the major countries named person of the Year so far. B: Only an individual can be named Person of the Year nowadays. C: Putin played an important role in Russian social and economic troubles. D: Medvedev will certainly be elected Russian President on March 3.
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A

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Read the article and select the best answer. Article: What could be cuter than your puppy giving his doggy friend a kiss on the nose? Nothing, really. But is your dog actual-fly planting a kiss on his friend? Yes, but that's only one of the reasons your dog may lick another dog's nose. Here are some other reasons why your dog may lick another dog's nose. During an introduction, a shy and lower-ranking dog will lower his head, avoid direct eye contact and gently extend his tongue to lick the nose of a more confident and high-ranking dog. The first dog licks the nose of the second dog to simply make it know that:he comes in peace. Dogs who are already friends will also trade kisses. Two strongly bonded dog pals will lick and clean each other. They give each other "dog kisses" showing friendship. Puppies also "kiss" their mothers, but it's not a gesture of love. When puppies stop suckling their mothers' tits for milk and start to eat semisolid food instead;they lick their mothers' mouths and noses in the hope of getting the mother to regurgitate some semi-digested food. So how to help your _ dog make friends with other dogs? You can carefully select confident-but-friendly and good-tempered dogs to play with your shy dog, to help him develop his social skills. Also consider taking him to a special training class that focuses on socialization and positive training technique. Do not disturb them when your two dogs play "kiss" briefly with each other. Sit back and enjoy this display of friendship. Then call them over and have them do a command such as "sit'' or "shake paws". Offer them treats as a reward for being good to each other. If you foster a dog and have three or more resident dogs, introduce the foster dog to your brood dog one at a time and let muzzle licking between them happen naturally. Start with your least reactive or most friendly dog. Never force an in production between the dogs because this can deepen the foster dog's submissiveness or spark a fight. Question: We know a shy and lower--ranking dog licks the nose of a higher-ranking dog to _ . Options: A: ask the dog for help B: show he is friendly C: show his anger D: show his respect for him
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B