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OG12 OG15
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Outsourcing is the practice of obtaining from an independent supplier a product or service that a company has previously provided for itself. Since a company's chief objective is to realize the highest possible year-end profits, any product or service that can be obtained from an independent supplier for less than it would cost the company to provide the product or service on its own should be outsourced.Which of the following, if true, most seriously weakens the argument?
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Rural households have more purchasing power than do urban or suburban households at the same income level, since some of the income urban and suburban households use for food and shelter can be used by rural households for other needs.Which of the following inferences is best supported by the statement made above?
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PREP07 Test 2 PREP2012
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Guitar strings often go "dead"—become less responsive and bright in tone—after a few weeks of intense use. A researcher whose son is a classical guitarist hypothesized that dirt and oil, rather than changes in the material properties of the string, were responsible.Which of the following investigations is most likely to yield significant information that would help evaluate the researcher's hypothesis?
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PREP07 Test 1
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In many corporations, employees are being replaced by automated equipment in order to save money. However, many workers who lose their jobs to automation will need government assistance to survive, and the same corporations that are laying people off will eventually pay for that assistance through increased taxes and unemployment insurance payments.Which of the following, if true, most strengthens the author's argument?
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PREP07 Test 1
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Mourdet Winery: Danville Winery's new wine was introduced to compete with our most popular wine, which is sold in a distinctive tall, black bottle. Danville uses a similar bottle. Thus, it is likely that many customers intending to buy our wine will mistakenly buy theirs instead.Danville Winery: Not so. The two bottles can be readily distinguished: the label on ours, but not on theirs, is gold colored.Which of the following, if true, most undermines Danville Winery's response?
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Biological functions of many plants and animals vary in cycles that are repeated every 24 hours. It is tempting to suppose that alteration in the intensity of incident light is the stimulus that controls these daily biological rhythms. But there is much evidence to contradict this hypothesis.Which of the following, if known, is evidence that contradicts the hypothesis stated in the lines above?
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PREP07 Test 1
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Editorial: Regulations recently imposed by the government of Risemia call for unprecedented reductions in the amounts of pollutants manufacturers are allowed to discharge into the environment. It will take costly new pollution control equipment requiring expensive maintenance to comply with these regulations. Resultant price increases for Risemian manufactured goods will lead to the loss of some export markets. Clearly, therefore, annual exports of Risemian manufactured goods will in the future occur at diminished levels.Which of the following, if true, most seriously weakens the argument in the editorial?
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In an attempt to promote the widespread use of paper rather than plastic, and thus reduce non-biodegradable waste, the council of a small town plans to ban the sale of disposable plastic goods for which substitutes made of paper exist.The council argues that since most paper is entirely biodegradable, paper goods are environmentally preferable.Which of the following, if true, indicates that the plan to ban the sale of disposable plastic goods is ill suited to the town council's environmental goals?
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OG18-语文分册 OG19-语文分册 OG20-语文分册
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A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person's signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed.Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.Which of the following can be logically concluded from the passage above?
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Company Alpha buys free-travel coupons from people who are awarded the coupons by Bravo Airlines for flying frequently on Bravo airplanes.The coupons are sold to people who pay less for the coupons than they would pay by purchasing tickets from Bravo.This marketing of coupons results In lost revenue for Bravo.To discourage the buying and selling of free' travel coupons, it would be best for Bravo Airlines to restrict the
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[span]If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private-plane traffic would be forced to sue outlying airfields. Such a reduction in the amount of private-plane traffic would reduce the risk of midair collision around the centrally located airports.[/span]The conclusion drawn in the first sentence depends on which of the following assumptions?
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PREP07 Test 2
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Bank depositors in the United States are all financially protected against bank failure because the government insures all individuals' bank deposits.An economist argues that this insurance is partly responsible for the high rate of bank failures, since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure.If depositors were more selective.then banks would need to be secure in order to compete for depositors' money.Which of he following, if true, most seriously weakens the economist s argument?
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PREP2012
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A museum has been offered an undocumented statue, supposedly Greek and from the sixth century B.C. Possibly the statue is genuine but undocumented because it was recently unearthed or because it has been privately owned. However, an ancient surface usually has uneven weathering, whereas the surface of this statue has the uniform quality characteristically produced by a chemical bath used by forgers to imitate a weathered surface. Therefore, the statue is probably a forgery.Which of the following, if true, most seriously weakens the argument?
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Most archaeologists have held that people first reached the Americas less than 20, 000 years ago by crossing a land bridge into North America.But recent discoveries of human shelters in South America dating from 32, 000 years ago have led researchers to speculate that people arrived in South America first, after voyaging across the Pacific, and then spread northward.Which of the following, if it were discovered, would be pertinent evidence against the speculation above?
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Country Y uses its scarce foreign-exchange reserves to buy scrap iron for recycling into steel；Although the steel thus produced earns more foreign exchange than it costs, that policy is foolish；Country Y's own territory has vast deposits of iron ore, which can be mined with minimal expenditure of foreign exchange.Which of the following, if true, provides the strongest support for Country Y's policy of buying scrap iron abroad?
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PREP07 Test 2 GWD
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Although exposure to asbestos is the primary cause of mesothelioma, a slow-developing cancer, researchers believe that infection by the SV40 virus is a contributing cause, since in the United States 60 percent of tissue samples from mesotheliomas, but none from healthy tissue, contain SV40. SV40 is a monkey virus; however, in 1960 some polio vaccine was contaminated with the virus. Researchers hypothesize that this vaccine was the source of the virus found in mesotheliomas decades later.Which of the following, if true, most strongly supports the researchers' hypothesis?
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GWD
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Editorial:An arrest made by a Midville police officer is provisional until the officer has taken the suspect to the police station and the watch commander has officially approved the arrest. Such approval is denied if the commander judges that the evidence on which the provisional arrest is based is insufficient. A government efficiency expert has found that almost all provisional arrests meet standards for adequacy of evidence that watch commanders enforce. The expert therefore recommends that the watch commander's approval should no longer be required since the officers' time spent obtaining approval is largely wasted. This recommendation should be rejected as dangerous, however, since there is no assurance that the watch commanders' standards will continue to be observed once approval is no longer required.In the editorial, the two portions in boldface play which of the following roles?
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GWD
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The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality. The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil's acidity.If the statements above are all true, which of the following conclusions is best supported by them ?
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GWD PREP2012
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Which of the following most logically completes the argument?Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour. Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech does but spends a far higher total sum per year on wages for such workers. Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since _____.
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PREP08 Test 1
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Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were.
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