Escalating worldwide demand for corn has led to a sharp increase in the market price of corn, and corn prices are likely to remain high.Corn is extensive used as feed for livestock, and because profit margins are tight in the livestock business, many farmers are expected to leave the business.With fewer suppliers, meat prices will surely rise.Nonetheless, observers expect an immediate short-term decrease in meat prices.
Which of the following, if true, most helps to justify the observers’ expectation?
A.The increase in corn prices is due more to a decline in the supply of corn than to a growth in demand for it.
B.Generally, farmers who are squeezed out of the livestock business send their livestock to market much earlier than they otherwise would.
C.Some people who ate meat regularly in the past are converting to diets that include little or no meat.
D.As meat prices rise, the number of livestock producers is likely to rise again.
E.Livestock producers who stay in the business will start using feed other than corn more extensively than they did in the past. 答案：B
Escalating worldwide demand for corn has led to a sharp increase in the market price of corn, and corn prices are likely to remain high.Corn is extensive used as feed for livestock, and because profit margins are tight in the livestock business, many farmers are expected to leave the business.With fewer suppliers, meat prices will surely rise.Nonetheless, observers expect an immediate short-term decrease in meat prices.
Which of the following, if true, most helps to justify the observers’ expectation?
A.The increase in corn prices is due more to a decline in the supply of corn than to a growth in demand for it.
B.Generally, farmers who are squeezed out of the livestock business send their livestock to market much earlier than they otherwise would.
C.Some people who ate meat regularly in the past are converting to diets that include little or no meat.
D.As meat prices rise, the number of livestock producers is likely to rise again.
E.Livestock producers who stay in the business will start using feed other than corn more extensively than they did in the past. 答案：B
28. Gortland has long been narrowly self-sufficient in both grain and meat. However, as per capita income in Gortland has risen toward the world average, per capita consumption of meat has also risen toward the world average, and it takes several pounds of grain to produce one pound of meat. Therefore, since per capita income continues to rise, whereas domestic grain production will not increase, Gortland will soon have to import either grain or meat or both. Which of the following is an assumption on which the argument depends? (A) The total acreage devoted to grain production in Gortland will soon decrease. (B) Importing either grain or meat will not result in a significantly higher percentage of Gortlanders’ incomes being spent on food than is currently the case. (C) The per capita consumption of meat in Gortland is increasing at roughly the same rate across all income levels. (D) The per capita income of meat producers in Gortland is rising faster than the per capita income of grain producers. (E) People in Gortland who increase their consumption of meat will not radically
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发表于 2011-7-7 19:16:12
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