Salesperson: The picture tube is the central component of any television, and Picturesque televisions use the same highquality picture tubes as those used in TruVue televisions. Since you pay a much lower price for a Picturesque, you pay a lower price for a television with the same picture quality when you buy a Picturesque instead of a TruVue. Which of the following is an assumption that, if justified, would allow the conclusion of the salesperson’s argument to be properly drawn
A. TruVue televisions are much more widely advertised than are Picturesque televisions.
B. The picture quality of a television is determined solely by the quality of its picture tube.
C. A salesperson earns much less on the sale of each Picturesque television than on the sale of each TruVue television.
D. Many more Picturesque televisions are sold each year than TruVue televisions.
E. Picturesque televisions are assembled in the same factory that assembles TruVue televisions.
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有胆汁反流的病人应服用( )
A. 氢氧化铝凝胶
B. 硫糖铝
C. 甲氧氯普胺
D. 胶体次枸橼酸铋
E. 普鲁苯辛
Passage One Questions 26 to 28 are based on the passage you have just heard.
An experiment.
B. A day job.
C. A dream coming true.
D. A promising career.
Although it is assumed that peacocks’ magnificent tails function essentially to attract peahens, no one knows why it should be magnificent tails that give a competitive advantage in securing mates. One explanation is that peahens are more likely to mate with peacocks with magnificent tails than with peacocks that lack magnificent tails. Which of the following is an error of reasoning exemplified by the explanation
Attributing to animals qualities that are characteristically human.
B. Extending a conclusion that is true of only one species of a genus to all species of the genus.
C. Offering as an explanation a hypothesis that in principle can be neither verified nor proved false.
D. Offering the phenomenon that is to be explained as the explanation of that phenomenon.
E. Assuming without warrant that peacocks with magnificent tails are likely to have other features strongly attractive to peahens.
As people age, the number of calories they need each day decreases while their daily requirement of vitamin B6 increases. Clearly, unless older people take 136 supplements or eat a diet that contains more 136 than did the diet they ate when they were young adults, there is little likelihood that they will get B6 in needed amounts. Which of the following would be most helpful to know to evaluate the argument
A. Whether the relative decrease in the daily requirement of calories is greater than the relative increase in the daily requirement of vitamin B6.
B. Whether the form of vitamin B6 found in dietary supplements is more readily absorbed and utilized by the body than is the from of this vitamin that is found in food.
C. Whether the consequences of not getting vitamin B6 in required daily amounts are more serious for older people than for young adults.
D. Whether the diets of most people, when they are young adults, include vitamin B6 in amounts far in excess of their daily needs.
E. Whether the diets of older people are more likely than those of young adults to include one or more meals a day that are devoid of foods containing vitamin B6.
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