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78 The country of Baurisia has, until now, been self-sufficient in both grain and meat. However, with growing prosperity in Baurisia has come a steadily increasing per capita consumption of meat, and it takes several pounds of grain to produce one pound of meat. Therefore, since per capita income in Baurisia is almost certain to rise further but increases in domestic grain production are highly unlikely, Baurisia is soon likely to become an importer of grain.
Which of the following, if true, most seriously weakens the argument?
A. When people increase their consumption of meat, they also tend to increase their consumption of grain.
B. The per capita consumption of meat in Baurisia is roughly the same across all income levels.
C. Per capita consumption of meat has not increased substantially in recent years in those countries from which Baurisia is likely to import meat.
D. It is more economical for Baurisians to import meat than grain.
E. During Baurisia's years of growing prosperity, the country's population has remained relatively stable.
不明白为什么选C 我当时是选的A..
73. (31495-!-item-!-188;#058&006365)
Advertisement: Ten years ago, the Cormond Hotel's lobby was carpeted 铺地毯with Duratex carpet while the lobby of a nearby hotel was being carpeted with our competitor's most durable carpet. Today, after a decade in which the two hotels have had similar amounts of foot traffic through their lobbies, that other hotel is having to replace the worn-out carpeting near its lobby entrances, whereas the Cormond's Duratex carpeting has years of wear left in it.
Which of the following, if true, most seriously weakens the force of the advertisement's evidence for concluding that Duratex carpet is more durable than the carpet of its competitor?
A. The lobby of the Cormond Hotel has five different entrances, but the lobby of the other hotel has only two.
B. The carpet of the Cormond Hotel's lobby is not the most durable carpet that Duratex manufactures.
C. The other hotel has a popular restaurant that can be reached from outside without walking through the hotel lobby.
D. The carpet that is being used to replace carpeting near the other hotel's lobby entrances is not Duratex carpet.
E. There is a third hotel near the other two that has not replaced the Duratex carpet in its lobby for more than 15 years.
题目貌似不理解。。
73. (31495-!-item-!-188;#058&006365)
Advertisement: Ten years ago, the Cormond Hotel's lobby was carpeted 铺地毯with Duratex carpet while the lobby of a nearby hotel was being carpeted with our competitor's most durable carpet. Today, after a decade in which the two hotels have had similar amounts of foot traffic through their lobbies, that other hotel is having to replace the worn-out carpeting near its lobby entrances, whereas the Cormond's Duratex carpeting has years of wear left in it.
Which of the following, if true, most seriously weakens the force of the advertisement's evidence for concluding that Duratex carpet is more durable than the carpet of its competitor?
A. The lobby of the Cormond Hotel has five different entrances, but the lobby of the other hotel has only two.
B. The carpet of the Cormond Hotel's lobby is not the most durable carpet that Duratex manufactures.
C. The other hotel has a popular restaurant that can be reached from outside without walking through the hotel lobby.
D. The carpet that is being used to replace carpeting near the other hotel's lobby entrances is not Duratex carpet.
E. There is a third hotel near the other two that has not replaced the Duratex carpet in its lobby for more than 15 years.
题目貌似不理解。。
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发表于 2009-11-1 15:03:23
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