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300难题
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The more frequently employees take time to exercise during working hours each week, the fewer sick days they take. Even employees who exercise only once a week during working hours take less sick time than those who do not exercise. Therefore, if companies started fitness programs, the absentee rate in those companies would decrease significantly.
Which of the following, if true, most seriously weakens the argument above?
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300难题 GWD
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Most of Western music since the Renaissance has been based on a seven-note scale known as the diatonic scale, but when did the scale originate? A fragment of a bone flute excavated at a Neanderthal campsite has four holes, which are spaced in exactly the right way for playing the third through sixth notes of a diatonic scale. The entire flute must surely have had more holes, and the flute was made from a bone that was long enough for these additional holes to have allowed a complete diatonic scale to be played. Therefore, the Neanderthals who made the flute probably used a diatonic musical scale.
In the argument given, the two portions in boldface play which of the following roles?
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300难题
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Consumer advocate: In our nation, food packages must list the number of calories per food serving. But most of the serving sizes used are misleadingly small and should be updated. The serving sizes were set decades ago, when our nation's people typically ate smaller portions than they do today, and, as a result, people eating typical portions today consume more calories than the package labeling appears to indicate that they will. It is time package labeling reflected these changes.
Which of the following is the main point of the consumer advocate's argument?
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300难题
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The lobbyists argued that because there is no statistical evidence that breathing other people' s tobacco smoke increases the incidence of heart disease or lung cancer in healthy nonsmokers, legislation banning smoking in workplaces cannot be justified on health grounds.
Of the following, which is the best criticism of the argument reported above?
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300难题
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City resident: These new digital electronic billboards should be banned for light pollution since they are much too bright.
Outdoor advertising spokesperson: No, that's not true. Testing with a sophisticated light meter shows that at night they throw off less light than traditional billboards that are reflectively lit. Your mistaken perception that they are brighter comes from looking directly at the light source-the screen itself.
The underlying strategy of the spokesperson's response to the resident is most analogous to the underlying strategy of which of the following?
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300难题
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In a certain rural area, people normally dispose of household garbage by burning it. Burning household garbage releases toxic chemicals known as dioxins. New conservation regulations will require a major reduction in packaging—specifically, paper and cardboard packaging—for products sold in the area. Since such packaging materials contain dioxins, one result of the implementation of the new regulations will surely be a reduction in dioxin pollution in the area.
Which of the following, if true, most seriously weakens the argument?
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OG21 OG2022
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The cactus is now heavily plundered in deserts in the southwestern United States, so much that enforcement agencies in five states have created special squads for its protection.
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OG21 OG2022
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Many population studies have linked a high-salt diet to high rates of hypertension and shown that in societies where they consume little salt, their blood pressure typically does not rise with age.
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OG21
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Partly as a result of Proposition 13, which severely limits property tax increases, California has come more and more to rely on personal income taxes for its revenues; income taxes have increased from 18 percent of the state's general fund in 1962 to 48 percent by 2002.
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OG21 OG2022
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Upon their first encountering leaf-cutting ants in South America, the insects seemed to some Europeans to be carrying bits of greenery to shade themselves from the tropical sun--hence the sobriquet "parasol ants.”
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OG21 OG2022
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By skimming along the top of the atmosphere, a proposed new style of aircraft could fly between most points on Earth in under two hours, according to its proponents.
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OG21 OG2022
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Educator Maria Montessori believed that students be allowed to choose from among a number of different lessons designed for the encouragement of their development as thinkers and creators with individual learning and thinking styles.
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OG21 OG2022
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Scientists say that, by bathing the skin cells in extracts of immune cells, that human skin cells in a test tube are made to behave as if they were immune system cells.
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OG21 OG2022
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Because property values sometimes fluctuate in response to economic conditions beyond the purchaser's control, an investment in a home may underperform when compared to that of other widely available classes of investments.
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OG21 OG2022
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Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
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OG21 OG2022
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In the six-month period that ended on September 30, the average number of Sunday papers sold by the company was 81,000 less than the comparable period a year ago.
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OG21 OG2022
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If the mass of 1 cubic centimeter of a certain substance is 7.3 grams, what is the mass, in kilograms, of 1 cubic meter of this substance? （1 cubic meter = 1,000,000 cubic centimeters; 1 kilogram = 1,000 grams）
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OG21 OG2022
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In the xy plane, the distance between the origin and the point（4,5）is the same as the distance between which of the following two points?
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OG21 OG2022
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The profit P, in dollars, for any given month at a certain company is defined by P = I - C, where I represents total income, in dollars, and C represents total costs, in dollars, for the month. For each of the first 4 months of the year, C = I + 32,000; and for each of the next 3 months, I = C + 36,000. If I = C + 10,000 for each of the 5 remaining months of the year, what was the company's total profit for the 12-month year?
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OG21 OG2022
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Sam has $800 in his account. He will deposit $1 in his account one week from now, $2 two weeks from now, and each week thereafter he will deposit an amount that is $1 greater than the amount that he deposited one week before. If there are no other transactions, how much money will Sam have in his account 50 weeks from now?
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