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According to a panel of health officials, there has been a great deal of confusion in the medical profession about whether obesity is a biological disorder posing serious health risks or a condition more related to appearance than to health.
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GWD
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In the years following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent. In contrast, in the year prior to the tax increase, sales had fallen one percent. The volume of cigarette sales is therefore strongly related to the after-tax price of a pack of cigarettes.The argument above requires which of the following assumptions?
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If x and y are integers greater than 1, is x a multiple of y?(1)$${3}{y}^{2}+{7}{y}={x}$$(2)$${x}^{2}-{x}$$ is a multiple of y
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OG18-语文分册
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Art restorers who have been studying the factors that cause Renaissance oil paintings to deteriorate physically when subject to climatic changes have found that the oil paint used in these paintings actually adjusts to these changes well. The restorers therefore hypothesize that it is a layer of material called gesso, which is under the paint, that causes the deterioration.Which of the following, if true , most strongly supports the restorers' hypothesis?
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OG16 OG17 OG15 OG18
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The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.
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Through their selective funding of research projects, pharmaceutical companies exert too much influence upon medical research in universities. Only research proposals promising lucrative results are given serious consideration, and funding is usually awarded to scientists at large institutions who already have vast research experience. As a result, only larger universities will be able to continue developing adequate research facilities, and graduate students will learn that their future research must conform to the expectations of the corporation. Research will continue to be conducted at the expense of human welfare.The reasoning of the argument above depends upon which of the following assumptions?
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 In the figure above, what is the value of b?(1) a + c + d = 225(2) d-a = 55
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If x is an integer, is x even?(1) ax is even, where a is an integer.(2)$${x}^{2}-{1}$$ is an odd integer.
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PREP07 Test 1
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According to the passage, which of the following may account for the inconsistency between the general density dependence model and the evidence provided by certain studies of foundings?
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PREP07 Test 1
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The passage suggests that when a population of specialist firms reaches a high density level, which of the following is likely to occur?
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PREP07 Test 1
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The passage is primarily concerned with
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PREP07 Test 1
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According to the passage, the author and Ketcham agree on which of the following points?
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PREP07 Test 1
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Which of the following best summarizes the central idea of the passage?
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PREP07 Test 1
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Which of the following claims concerning the United States government's financing of the deficit does the author make in discussing the second argument?
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PREP07 Test 1
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The author uses the term "admittedly" (see highlighted text) in order to indicate that
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PREP07 Test 1 PREP08 Test 2
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The passage is primarily concerned with
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PREP07 Test 1
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The author of the passage asserts which of the following about managing health care costs in an effective manner?
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PREP07 Test 1
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The passage suggests which of the following about the ring patterns of two trees that grew in the same area and that were of different, but overlapping, ages?
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PREP07 Test 1
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In the highlighted text, "uncertainties" refers to
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PREP07 Test 1
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The passage is primarily concerned with
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