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The passage implies that which of the following is true of consumer preference for a given reading method?
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The passage is mainly concerned with proposing
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The passage most directly suggests which of the following about fishermen?
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According to the passage, which of the following characteristics of the moons could account for the differences between Ariel and Oberon in terms of the number of large craters?
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The author’s reference to the diameter of Miranda in the highlighted text serves primarily to
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According to the passage, which of the following statements regarding online retailers' management of inventory is true?
OG18-语文分册 OG19-语文分册 OG20-语文分册 Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.
GWD Cash flows to stock and bond mutual funds have gained strength in the last two months, but fund managers have not been eager to invest the new money, instead of preferring to raise the cash levels in their portfolios at the new level in six months.
OG12 Scientists propose placing seismic stations on the floor of the Pacific Ocean to warn threatened coastal communities on the northwestern coast of the United States of approaching tidal waves caused by earthquakes. Since forewarned communities could take steps to evacuate, many of the injuries and deaths that would otherwise occur could be avoided if the government would implement this proposal.The answer to which of the following questions would be most important in determining whether implementing the proposal would be likely to achieve the desired result?
OG12 OG15 OG16 Homeowners aged 40 to 50 are more likely to purchase ice cream and are more likely to purchase it in larger amounts than are members of any other demographic group. The popular belief that teenagers eat more ice cream than adults must, therefore, be false.The argument is flawed primarily because the author
OG12 OG15 According to a prediction of the not-so-distant future published in 1940, electricity would revolutionize agriculture. Electrodes would be inserted into the soil, and the current between them would kill bugs and weeds and make crop plants stronger.Which of the following, if true, most strongly indicates that the logic of the prediction above is flawed?
OG12 Cable-television spokesperson: Subscriptions to cable television are a bargain in comparison to "free" television. Remember that "free" television is not really free. It is consumers, in the end, who pay for the costly advertising that supports "free" television.Which of the following, if true, is most damaging to the position of the cable-television spokesperson?
OG12 A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.Which of the following, if true, would cast the most serious doubt on the accuracy of the group's contention?
OG12 OG15 OG16 OG17 OG18 Hunter: Many people blame hunters alone for the decline in Greenrock National Forest's deer population over the past ten years. Yet clearly, black bears have also played an important role in this decline. In the past ten years, the forest's protected black bear population has risen sharply, and examination of black bears found dead in the forest during the deer hunting season showed that a number of them had recently fed on deer.In the hunter's argument, the portion in boldface plays which of the following roles?
OG12 PREP2012 In Asia, where palm trees are nonnative, the trees' flowers have traditionally been pollinated by hand, which has kept palm fruit productivity unnaturally low. When weevils known to be efficient pollinators of palm flowers were introduced into Asia in 1980, palm fruit productivity increased—by up to 50 percent in some areas—but then decreased sharply in 1984.Which of the following statements, if true, would best explain the 1984 decrease in productivity?
OG12 OG15 In recent years, many cabinetmakers have been winning acclaim as artists. But since furniture must be useful, cabinetmakers must exercise their craft with an eye to the practical utility of their product. For this reason, cabinetmaking is not art.Which of the following is an assumption that supports drawing the conclusion above from the reason given for that conclusion?
OG12 PREP2012 Many breakfast cereals are fortified with vitamin supplements. Some of these cereals provide 100 percent of the recommended daily requirement of vitamins. Nevertheless, a well-balanced breakfast, including a variety of foods, is a better source of those vitamins than are such fortified breakfast cereals alone.Which of the following, if true, would most strongly support the position above?
OG12 OG15 OG16 OG17 PREP08 Test 1 Last year a record number of new manufacturing jobs were created. Will this year bring another record? Well, a new manufacturing job is created either within an existing company or by the start-up of a new company. Within existing firms, new jobs have been created this year at well below last year's record pace. At the same time, there is considerable evidence that the number of new companies starting up will be no higher this year than it was last year, and surely the new companies starting up this year will create no more jobs per company than did last year's start-ups. Clearly, it can be concluded that the number of new jobs created this year will fall short of last year's record.In the argument given, the two portions in boldface play which of the following roles?
OG12 PREP07 Test 2 Robot satellites relay important communications and identify weather patterns. Because the satellites can be repaired only in orbit, astronauts are needed to repair them. Without repairs, the satellites would eventually malfunction. Therefore, space flights carrying astronauts must continue.Which of the following, if true, would most seriously weaken the argument above?
OG12 OG17 OG15 Which of the following most logically completes the argument?Ferber`s syndrome, a viral disease that frequently affects cattle, is transmitted to these animals through infected feed. Even though chickens commercially raised for meat are often fed the type of feed identified as the source of infection in cattle, Ferber`s syndrome is only rarely observed in chickens. This fact, however, does not indicate that most chickens are immune to the virus that causes Ferber`s syndrome, since_____.