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GWD PREP08 Test 1
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Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.
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GWD PREP2012
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Which of the following, if true, would most weaken the author's argument in highlight text?
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GWD
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Proposal: Carbon dioxide and methane in the atmosphere block the escape of heat into space. So emission of these "greenhouse" gases contributes to global warming. In order to reduce global warming, emission of greenhouse gases needs to be reduced. Therefore, the methane now emitted from open landfills should instead be burned to produce electricity.Objection: The burning of methane generates carbon dioxide that is released into the atmosphere.Which of the following, if true, most adequately counters the objection made to the proposal?
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GWD PREP08 Test 2
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In California today, Hispanics under the age of eighteen account for more than 43 percent, compared with a decade ago, when it was about 35 percent.
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OG12 OG15 OG16 OG17 GWD PREP08 Test 1
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One of the primary distinctions between our intelligence with that of other primates may lay not so much in any specific skill but in our ability to extend knowledge gained in one context to new and different ones.
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GWD PREP2012
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Which of the following is mentioned in the passage as a way in which brown bears and sloth bears are similar?
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OG12 OG15 OG16 OG17 GWD PREP08 Test 2
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Crowding on Mooreville's subway frequently leads to delays, because it is difficult for passengers to exit from the trains. Subway ridership is projected to increase by 20 percent over the next 10 years. The Mooreville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period. Officials predict that this increase is suffi cient to ensure that the incidence of delays due to crowding does not increase.Which of the following, if true, provides the strongest grounds for the officials' prediction?
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GWD PREP2012
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Three large companies and seven small companies currently manufacture a product with potential military applications. If the government regulates the industry, it will institute a single set of manufacturing specifications to which all ten companies will have to adhere. In this case, therefore, since none of the seven small companies can afford to convert their production lines to a new set of manufacturing specifications, only the three large companies will be able to remain in business.Which of the following is an assumption on which the author's argument relies?
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GWD
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The primary purpose of the passage is to
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GWD PREP08 Test 2
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Charles Lindbergh, for his attempt at a solo transatlantic flight, was very reluctant to have any extra weight on his plane, he therefore refused to carry even a pound of mail, despite being offered $1,000 to do so.
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GWD PREP08 Test 2
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It is theoretically possible that bacteria developed on Mars early in its history and that some were carried to Earth by a meteorite. However, strains of bacteria from different planets would probably have substantial differences in protein structure that would persist over time, and no two bacterial strains on Earth are different enough to have arisen on different planets. So, even if bacteria did arrive on Earth from Mars, they must have died out.The argument is most vulnerable to which of the following criticisms?
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GWD
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Each of the following is mentioned in the passage as a difference between G10 garnet and other versions of garnet EXCEPT
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GWD
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The results of two recent unrelated studies support the idea that dolphins may share certain cognitive abilities with humans and great apes; the studies indicate dolphins as capable of recognizing themselves in mirrors-an ability that is often considered a sign of self-awareness-and to grasp spontaneously the mood or intention of humans.
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OG12 OG15 GWD
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Authoritative parents are more likely than permissive parents to have children who as adolescents are self-confident, high in self-esteem, and responsibly independent.
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GWD
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The passage suggests that the presence of G10 garnet in a kimberlite pipe indicates that
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OG15 OG16 OG17 GWD OG18 OG19 OG20 OG2022
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Exposure to certain chemicals commonly used in elementary schools as cleaners or pesticides causes allergic reactions in some children. Elementary school nurses in Renston report that the proportion of schoolchildren sent to them for treatment of allergic reactions to those chemicals has increased significantly over the past ten years. Therefore, either Renston's schoolchildren have been exposed to greater quantities of the chemicals, or they are more sensitive to them than schoolchildren were ten years ago.Which of the following is an assumption on which the argument depends?
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GWD PREP2012
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Certain politicians in the country of Birangi argue that a 50 percent tax on new automobiles would halt the rapid increase of automobiles on Birangi's roads and thereby slow the deterioration of Birangi's air quality. Although most experts agree that such a tax would result in fewer Birangians buying new vehicles and gradually reduce the number of automobiles on Birangi's roads, they contend that it would have little impact on Birangi's air-quality problem.Which of the following, if true in Birangi, would most strongly support the experts' contention about the effect of the proposed automobile tax on Birangi's air-quality problem?
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GWD
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According to the passage, Gurney refined the use of ilmenites in prospecting for diamonds in which of the following ways?
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GWD PREP08 Test 1
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Though subject to the same wild-animal control efforts that killed off almost all the wolves in North America over the past century, the coyote's amazing ability of adapting to the presence of humans has enabled it to expend its range into Alaska and Central America.
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GWD PREP08 Test 1
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Of patients over 65 years old who survived coronary bypass surgery-a procedure widely prescribed for people with heart disease-only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.Which of the following, if true, most seriously undermines the argument?
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