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No senator spoke at the convention unless he or she was a Democrat. No Democrat both spoke at the convention and was a senator.Which one of the following conclusions can be correctly drawn from the statements above?
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Marketing Analyst: Traditionally, introducing a new consumer product contributes to the diversity of a company's product mix and results in an overall increase in revenues and profits. However, our launch of a new brand of soft drinks, Cool Breeze, planned for the end of this fiscal year, will almost certainly reduce rather than increase the company's profits.Since we already offer a line of chilled refreshments that are very similar to Cool Breeze, the launch of the new drink is likely to cannibalize our current sales rather than attract new customers. Additionally, since the costs of producing Cool Breeze are higher than those of the other chilled refreshments, a large part of our current sales will be replaced with lower-margin revenues. In the argument above, which of the following statements best describes the role played by each portion in boldface?
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Since the mayor's publicity campaign for Greenville's bus service began six months ago, morning automobile traffic into the midtown area of the city has decreased seven percent. During the same period, there has been an equivalent rise in the number of persons riding buses into the midtown area. Obviously, the mayor's publicity campaign has convinced many people to leave their cars at home and ride the bus to work.Which of the following, if true, casts the most serious doubt on the conclusion drawn above?
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Real Estate Agent: Next year, the occupancy rate for residential rental properties in Riverton will increase despite projections of decreasing population in the city.Generally, when a city's population decreases, so does the occupancy rate for residential rental properties. However, in the continuing climate of increasing interest rates on home mortgages, an unusually large number of Riverton residents who would typically buy homes will opt to rent instead The boldfaced statements in the argument above play which of the following roles?
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PREP07 Test 1
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Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each.
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response to higher oil prices, window manufacturers have improved the insulating capability of their products; their windows have been built to conserve energy, and they are.
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OG12
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Although various eighteenth- and nineteenth-century American poets had professed an interest in Native American poetry and had pretended to imitate Native American forms in their own works, until almost 1900, scholars and critics did not begin seriously to study traditional Native American poetry in native languages.
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In an exhaustive study that explains how humans distinguish different scents, Dr. Linda Quidd asserts that the nerve lining of a mouse's nose contains roughly the same number of olfactory receptors that a human nose does.
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Researchers have found that the human body can use protein derived from whey more efficiently than it can use protein from other sources such as soy, eggs or drinking milk.
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Though the term "graphic design" may >suggest laying out corporate brochures and annual reports, they have come to signify widely ranging work, from package designs and company logotypes to signs, book jackets, computer graphics, and film titles.
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PREP07 Test 1
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When Nigeria achieved full independence in 1960, they had already established a federal political structure consisting of three regions based on the three major population clusters that were in its borders.
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OG12 OG15 OG16 OG17 PREP08 Test 2 OG18 OG19 OG20 OG2022
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Because there are provisions of the new maritime code that provide that even tiny islets can be the basis for claims to the fisheries and oil fields of large sea areas, they have already stimulated international disputes over uninhabited islands.
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The acrimony in Washington, communicated to the general public to a large degree in sound-bite epithets from the principals on evening television newscasts, contributed to a sour mood between the electorate.
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At a time when it was unusual to do it. Dorothy Sterling wrote about such major figures of Black history as Harriet Tubman and W. E. B. Du Bois.
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PREP07 Test 1
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The investigations of many psychologists and anthropologists support the generalization of there being little that is a significant difference in the underlying mental processes manifested by people from different cultures.
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GWD OG18-语文分册 OG19-语文分册 OG20-语文分册
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The computer company's present troubles are a result of technological stagnation, marketing missteps, and managerial blunders so that several attempts to revise corporate strategies have failed to correct it.
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During the past decade, the labor market in France has not been operating according to free market principles, but instead stifling functioning through its various government regulations restricting the hiring and firing of workers.
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Of the countries that were the world's twenty largest exporters in 1953, four had the same share of total world exports in 1984 as in 1953. Theses countries can therefore serve as models for those countries that wish to keep their share of the global export trade stable over the years.Which of the following, if true, casts the most serious doubt on the suitability of those four countries as models in the sense described?
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OG12 OG16 OG17 GWD
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Delta products, Inc., has recently switched at least partly from older technologies using fossil fuels to new technologies powered by electricity. The question has been raised whether it can be concluded that for a given level of output, Delta's operation now causes less fossil fuel to be consumed than it did formerly. The answer, clearly, is yes, since the amount of fossil fuel used to generate the electricity needed to power the new technologies is less than the amount needed to power the older technologies, provided that the level of output is held constant.In the argument given, the two boldface portions play which of the following roles?
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GWD
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Astronomer: Observations of the Shoemaker-Levi comet on its collision course with Jupiter showed that the comet broke into fragments before entering Jupiter's atmosphere in 1994, but they did not show how big those fragments were. Nevertheless, some indication of their size can be inferred from spectrographic analyses of Jupiter's outer atmosphere. After the fragments' entry, these analyses revealed unprecedented traces of sulfur. The fragments themselves almost certainly contained no sulfur, but astronomers believe that the cloud layer below Jupiter's outer atmosphere does contain sulfur. Since sulfur would have seeped into the outer atmosphere if comet fragments had penetrated this cloud layer, it is likely that some of the fragments were at least large enough to have passed through Jupiter's outer atmosphere without being burned up.In the astronomer's argument, the two portions in boldface play which of the following roles?
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