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CR强化(121-140)

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Airline executives generally believe that a company that once underpriced its fares to drive away competitors is very likely to do so again if new com

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When airlines dramatically reduce their fares on a particular route, the total number of air passengers on that route increases greatly.

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The first is a consideration raised to explain the appeal of a certain strategy; the second presents that strategy.

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The first is a consideration that has been used to justify pursuing a goal that the argument rejects; the second presents a course of action that has

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The demand for rare wildflowers rarely exceeds the number of such plants that can be collected in the wild by plant sellers.

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Revenues from sales of plants collected in the wild are supporting the discovery of new low-cost techniques enabling rare wildflowers to be readily pr

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At least one of last week's specially ordered shipments did not consist of building supplies.

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At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction.

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At least one of the shipments sent to Truax Construction last week was sent out before Friday.

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Hay fever is a prerequisite for the development of asthma.

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The percentage of people suffering from hay fever who also have asthma is lower than 95 percent.

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Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people who

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The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

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any substance to be made subject to controls can actually cause environmental damage

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the countries favoring uniform controls are those generating the largest quantities of effluents

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Many businesses hire trainees at or near the minimum wage but must reward trained workers by keeping their paylevels above the pay level of trainees.

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The current minimum wage is insufficient for a worker holding only one job to earn enough to support a family ,even when working full time at that job

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each of the last two years produced record- breaking pecan yields

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pecan prices have not been subject to sharp fluctuations in recent years

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the practice of holding back part of one year's crop had not yet become widespread the last time the pecan crop was as small as it was this year

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No other line of cookware is superior to that which will carry the Kitchen name.

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Kitchen will not license the use of its name for any products other than the line of cookware.

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Makers of cookware will not find Kitchen a less attractive advertising vehicle because the magazine's name is associated with a competing product.

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The methane that is used to generate electricity would generally be used as a substitute for a fuel that does not produce any greenhouse gases when bu

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Methane in the atmosphere is more effective in blocking the escape of heat from the Earth than is carbon dioxide.

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The presence of telomerase in bone marrow is no indication of bone marrow cancer.

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The level of telomerase production is always higher in cancerous tissue than in noncancerous tissue.

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In many of the towns that restrict smoking in restaurants, restaurants can maintain separate dining areas where smoking is permitted.

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Over the last five years, government revenues from sales taxes have grown no faster in the towns with restaurant smoking restrictions than in the town

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A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.

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The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.

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Prior research has shown that that people who actually do vote are also more likely to respond to polls than those who do not vote

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Some people confused the national election with other recent elections when responding to the poll

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All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.

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Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do.

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Many agricultural pests do not go through a caterpillar stage.

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Many agriculturally beneficial insects go through a caterpillar stage.

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A course of treatment with the new antibiotic costs about the same as a course of treatment with either penicillin or erythromycin.

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The new antibiotic has been shown to be effective in eradicating bacterial infections other than strep.

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Regardless of whether they take a traditional antibiotic or the new one, most patients feel fully recovered after taking the drug for three days.

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Cars grew increasingly more expensive to repair over the period in question.

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Health-care costs rose sharply between 1960 and 1990.

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Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.

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Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.

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