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I'm taking a test and have to guess the right answer to the question after the article. Article: Astronomers have captured the first direct image of a planet being born. Adam Kraus, of the University of Hawaii's Institute for Astronomy, said the planet is being formed out of dust and gas circling a 2-million-yea-old star about 450 light years from Earth. The planet itself, based on scientific models of how planets form, is believed to have started taking shape about 50,000 to 100,000 years ago. Called LkCa 15b, it's the youngest planet ever observed. The previous record holder was about five times older. Kraus and his colleague, Michael Ireland from Macquarie University and the Australian Astronomical Observatory, used Keck telescopes on Mauna Kea(a volcano on the island of Hawaii, US) to find the planet. Kraus presented the discovery Wednesday at NASA's Goddard Space Flight Center in Maryland. Observing planets while they're forming can help scientists answer questions like weather planets form early in the life of a star or later, and whether they form relatively close to stars or father away. Planets can change orbits after forming, so it's difficult to answer such questions by studying older planets. "These very basic questions of when and where are best answered when you can actually see the planet forming, as the process is happening right now," Kraus said. Scientists hadn't been able to see such young planets before because the stars they're circling around outshine them. Kraus and Ireland used two techniques to overcome this problem.[:++] One method, which is also used by other astronomers, was to change the shape of the telescope mirrors to remove light distortion created by the Earth's atmosphere. The other method they used, which was unique, was to put masks with several holes over most of the telescope mirrors. The combination of these techniques allowed the astronomers to obtain high-quality images that let them see the planet next to the bright star. The star LkCa 15--the planet is named after its star--was the team's second target. They immediately knew they were seeing something new,... Question: According to the text, Kraus and Ireland _ . Options: A: have been working in the same university B: observed the planet on a volcano in Hawaii C: used two new methods in the observation D: cut holes in the mirrors when observing
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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: Each Sunday, people can hear the music of the Mission Dolores Basilica in San Francisco. The Spanish missionaries built the church in 1791. It was the start of a special kind of neighborhood: the Mission District. The area is a place with a long and varied history. One community member says that it's important for people to understand the many levels of history in the neighborhood. He feels that _ is a big part of understanding what it means to be a real San Franciscan. One of the most interesting parts of the district is its people. Over the years, immigrants have come to the area from Ireland, Germany, and Italy. But the most recent immigrants are mainly from Latin America. It's easy to see the style that these recent additions give to the neighborhood. You can see it in the art on the walls, taste it in the food, and hear it in the music! Juan Pedro Gaffney, the director of the Spanish Choir of San Francisco, says that the people there share the pain and the happiness of their friends and family members and that music has always been a basic part of cultural identity in the district. He feels that the music of the district is colorful and lively. But it isn't just its music that's colorful and lively. Its art is full of life as well. The local art community stays close to the area's culture and tradition. A local arts organization often leads people on walks through the district. They visit streets like Balmy Alley, which is famous for its murals . Even though the meanings behind the murals are always changing, they are still very powerful. One artist explains that they are fighting for fairness in the community and to help the environment through murals. Apparently, they're something the community likes. Many of these artists feel that the district is a successful neighborhood where new immigrants are welcome. "People see that they're not so different from each other," says one artist. "There are a lot of things that bind the immigrants through culture and tradition." Question: The author shows the multi-culture of the Mission District from the aspects of _ . Options: A: literature and sports B: music and murals C: buildings and clothes D: customs and festivals
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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: You've heard the saying: if you don't know where you're going, how will you know when you get there. Thousands of successful people attribute (......) most of their success to goal setting. Knowing this, why don't the majority of people set goals? Goal setting starts within you. You have to believe it's possible to do a thing before you have a strong desire to write it down on paper and take steps to make it happen. How do you possibly bring yourself to believe in your own success? After all, so many of you have been at this success thing for a while and it still hasn't happened to you. Companies that you believed in and worked hard for have failed, your family and friends are waiting for you to "be realistic", and life just keeps giving you one blow after another. But there is a small fire burning inside you. You keep at it because all you know is you can't continue to get up every morning, go to work for someone else and allow them to determine how much you're worth each week which is far below your true value. So where do you go from here? Where do you start today? The road to inner belief in your success begins with you telling yourself every day, throughout the day, that you can do what you set out to do, you can have what you set out to get, and you can be that successful person you know that lives inside you. Yes, obstacles will come, doubters will be around, but don't you be one of them. Treat yourself like the person you love and care about most. If you had children who had a paper route and they wanted to accomplish a goal but they kept running into obstacles, what would happen? They would soon become discouraged with so many people telling them no. I'm not interested in what you have to offer. What would you say to your child? I'm sure it won't be the same thing you've been saying to yourself. Turn your words around. Speak those same words of encouragement you would speak to your discouraged child, to yourself. If you would never put a loved one down, especially when they are feeling discouraged,... Question: In the eyes of the author, _ is what you should do to set a goal. Options: A: being ambitious to do whatever you like to do B: telling yourself time and again that you can do it C: consulting the person you love and care about most D: convincing others that you are quite capable
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B