题目信息
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.
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正确答案：
B:Generally, farmers who are squeezed out of the livestock business send their livestock to market much earlier than they otherwise would.
A说玉米价格增长的原因是由于供应量下降而不是需求量上升，玉米价格上升的原因和原假设无关也无法解释题目中的悖论。
B说不再养家禽的农民会提早将他们养的家禽卖掉，而且因为退出的时间差不多所以导致短期内市场里的肉类大量增多，所以会降价，正确。
C说以前经常吃肉的一些人现在节食，只吃一点点肉或者不吃肉，但是这部分人不吃，吃肉的仍然大有人在，说了等于没说
D中livestock producers的多少与短期内价格下降无关
E “从此以后我的同行会用别的饲料养牛”不能解释牛肉短期内会降价
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题目来源
GWD
