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OG19-数学分册
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In the quilting pattern shown above, a small square has its vertices on the sides of a larger square. What is the side length, in centimeters, of the larger square?
(1) The side length of the smaller square is 10 cm.
(2) Each vertex of the small square cuts 1 side of the larger square into 2 segments with lengths in the ratio of 1:2.
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OG19-语文分册 OG20-语文分册
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The passage is primarily concerned with
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OG19-语文分册 OG20-语文分册
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According to the passage, some researchers based their research about long-term earthquake prediction on which of the following facts?
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OG19-语文分册 OG20-语文分册
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[line:42:enable]The passage suggests which of the following about the paleoseismologists' findings described in lines 42-50?
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A company plans to develop a prototype weeding
machine that uses cutting blades with optical sensors
and microprocessors that distinguish weeds from crop
plants by differences in shade of color. The inventor of
the machine claims that it will reduce labor costs by
virtually eliminating the need for manual weeding.
Which of the following is a consideration in favor of
the company's implementing its plan to develop the
prototype?
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OG19-语文分册 OG20-语文分册
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It can be inferred from the passage that one reason an advertiser might prefer a hard-sell approach to a soft-sell approach is that
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OG19-语文分册 OG20-语文分册
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The primary purpose of the passage is to
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OG19-语文分册 OG20-语文分册
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It can be inferred from the passage that one situation in which the boomerang effect often occurs is when consumers
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Economist: Paying extra for fair-trade coffee-coffee labeled with the Fairtrade logo-is intended to help poor farmers, because they receive a higher price for the fair-trade coffee they grow. But this practice may hurt more farmers in developing nations than it helps. By raising average prices for coffee, it encourages more coffee to be produced than consumers want to buy. This lowers prices for non-fair-trade coffee and thus lowers profits for non-fair-trade coffee farmers.
To evaluate the strength of the economist's argument, it would be most helpful to know which of the following?
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OG19-语文分册 OG20-语文分册
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Which of the following can be inferred from the passage regarding the geologic changes that occurred during the Ordovician period?
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OG19-数学分册
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If $$ x - y = R$$ and $$ xy = S$$ , then $$ (x - 2)(y + 2)$$ =
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OG19-数学分册
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What is the perimeter, in meters, of a rectangular garden 6 meters wide that has the same area as a rectangular playground 16 meters long and 12 meters wide?
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OG19-数学分册
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1 - 0.000001 =
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OG19-数学分册
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How many integers x satisfy both $$2 < x\leq 4$$ and $$ 0\leq x \leq 3$$?
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OG19-数学分册
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If r and s are positive integers such that $$(2^{r})(4^{s}) = 16$$, then $$2r + s$$ =
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OG19-语文分册 OG20-语文分册
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The Sumpton town council recently voted to pay a prominent artist to create an abstract sculpture for the town square. Critics of this decision protested that town residents tend to dislike most abstract art, and any art in the town square should reflect their tastes. But a town council spokesperson dismissed this criticism, pointing out that other public abstract sculptures that the same sculptor has installed in other cities have been extremely popular with those cities' local residents.
The statements above most strongly suggest that the main point of disagreement between the critics and the spokesperson is whether
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OG19-语文分册 OG20-语文分册
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Images from ground-based telescopes are invariably distorted by the Earth's atmosphere. Orbiting space telescopes, however, operating above Earth's atmosphere, should provide superbly detailed images. Therefore, ground-based telescopes will soon become obsolete for advanced astronomical research purposes.
Which of the following statements, if true, would cast the most doubt on the conclusion drawn above?
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OG19-语文分册 OG20-语文分册
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Generally scientists enter their field with the goal of doing important new research and accept as their colleagues those with similar motivation. Therefore, when any scientist wins renown as an expounder of science to general audiences, most other scientists conclude that this popularizer should no longer be regarded as a true colleague.
The explanation offered above for the low esteem in which scientific popularizers are held by research scientists assumes that
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OG19-语文分册 OG20-语文分册
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In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.
Which of the following, if true, would most seriously weaken the researchers' reasoning?
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OG19-语文分册 OG20-语文分册
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Since 1990 the percentage of bacterial sinus infections in Aqadestan that are resistant to the antibiotic perxicillin has increased substantially. Bacteria can quickly develop resistance to an antibiotic when it is prescribed indiscriminately or when patients fail to take it as prescribed. Since perxicillin has not been indiscriminately prescribed, health officials hypothesize that the increase in perxicillin-resistant sinus infections is largely due to patients' failure to take this medication as prescribed.Which of the following, if true of Aqadestan, provides most support for the health officials' hypothesis?
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