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I'm taking a test and have to guess the right answer to the question after the article. Article: Googlefight is a simple service available on the Internet which offers you the chance to compare two different items and see how many hits they get on the Google search engine. The seemingly simple device has proved invaluable to users, especially to help win arguments. For example, imagine that you and your friends are arguing about who are the most popular music or movie stars, you can decide the argument by writing the names in the Googlefight boxes. Let's say that you are arguing about Jackie Chan and Jet Li. You will quickly discover that Jet Li is mentioned 16 million times on Google pages, whereas Jackie Chan is mentioned a mere 12 million times! In this unscientific way, you can claim victory for one Star over another. But teachers have come up with ways of using Googlefight which are much more useful from an academic point of view, particularly when it comes to studying languages. You can, for example, find out the frequency of two words with the same meaning, and deduce from the answers which one is more common. For example, let's take the words "buy" and "purchase", which mean the same thing (although "buy" is only a verb and "purchase" is both a verb and a noun). It is immediately clear from Googlefight that "buy" is much more commonly used, with a massive three and a half billion hits, compared to only one billion occurrences for the more formal word. But the real value of Googlefight to the language learner is in determining which is the more common of two phrases. For example, "raining cats and dogs" is an old-fashioned English expression about the weather. Do English speakers still use it? Or are they more likely to say "pouring down"? Googlefight suggests the latter. "Pouring down" has 898,000 Google hits, whereas "raining cats and dogs" only has 326,000. With phrases, it's important to remember that you need to use quote marks to make the search more accurate. For example, if you type in the similar phrases "look after" and "take care of " without quote marks, the second phrase seems to be... Question: What must you remember to do if you are checking phrases by Googlefight? Options: A: Make sure they mean be same thing. B: Make sure they are different. C: Remember to put quote marks round the phrase. D: Don't put quote marks round the phrase.
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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: American scientists say musical training seems to improve communication skills. They found that developing musical skills involves the same process in the brain as learning how to speak. The scientists say that could help children with learning disabilities. Nina Kraus is a neurobiologist at Northwestern University in Illinois. She says musical training involves putting together different kinds of information. She says the process involves hearing music, looking at musical notes, touching an instrument and watching other musicians. She says the process is not much different from learning how to speak. Both involve different senses. Professor Krauss says musical training and learning to speak make us think about what we are doing. She says speech and music pass through a structure of the nervous system called the brain stem . The brain stem controls our ability to hear. Until recently, experts have thought the brain stem could not be developed or changed. But Professor Krauss and her team find that musical training can improve a person's brain stem activity. The study involved people with different levels of musical ability. They were asked to wear an electrical _ that measures brain activity. The people wore the device while they watched a video of someone speaking and a person playing a musical instrument. The study found that the more years of training people had, the more sensitive they were to the sound and beat of the music. Professor Kraus says the study shows the importance of musical training to children with learning disabilities. Question: Why can musical training improve communication skills? Because _ . Options: A: it gives people more knowledge B: it can improve a person's brain stem activity C: it has a kind of magic D: it can make people speak
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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: Land Art, sometimes referred to as Earth Art or Earthworks, is a form of art which involves using physical landscapes to create art, taking art out of the museum and into the outside world. Modern Land Art movement really got going in the 1960s when American artists began creating Land Art on a large scale. Today, works of modern Land Art can be seen all over the world, sometimes right alongside much older pieces of Land Art created by people who lived thousands of years ago. Land Art, which is not necessarily unchangeable, can take a number of forms. For examples, in 1970 Robert Smithson created the Spiral Jetty , made of a collection of stones and mud, in the Great Salt Lake. The American artist made a large jetty in a spiral shape which sticks out into the waters of the lake. Reshaping the landscape is a common characteristic of Land Art, which can be created by moving parts around. People can also add things to the environment to create Land Art, like salt, which is added to the Spiral Jetty. It is possible to use plants. In all cases, Land Art is immovable. Land Art is designed to gradually form, change, and eventually decay . That's one of the biggest differences between Land Art and most of the art one sees in the museums. Some works of art can exist only for a few hours or days. Others are exposed to rain and wind so that they develop and decay over time, which is part of the attractiveness in the eyes of the artists. Question: What is the passage mainly about? Options: A: Works of Land Art. B: History of Land Art. C: Changes of Land Art. D: Introduction of Land Art.
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D