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sorry 我打繁體比較快。 今天做PP軟體的時候，也有這題，而且是問weaken 題目大致和OG上一樣，但是城市名字改了 OG版本: Gortland has long been narrowly self-sufficient in both grain and meat. However, as per capital income in Gortland has risen toward world average, per capital consuption of meat has also rise toward the world average, and it takes several pounds of grain to produce one pond of meat. Therefore, since per capital imcome continune to rise, whereas domestic production will not increase , Gortlan will soon have too import grain 問weaken? the city named change for Baurisia choice as fellows, sorry for I miss choice E a. when people increase their consumption of meat, they also tend to increase thier consumption of grain b.The per capital consumption of meat in Baurisia in roughly the same across all income level( the same asOG's choice C) c.Per capital consumption of meat has not increase substantially in recent year in those countires from which Baurisia is likely to import meat. d.it is more economical import meat than grain. the answer is D.  | 
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发表于 2009-2-11 17:09:00
