![AlthoughtheUnitedStatescoverssomuchlandandthelandproduc...]( "AlthoughtheUnitedStatescoverssomuchlandandthelandproduc...")
- 问题详情：AlthoughtheUnitedStatescoverssomuchlandandthelandproducesfarmorefoodthanthepresentpopulationneeds，itspeoplearebynowalmostentirelyanurbansocietyLessthanatenthofthepeopleareengagedinagricultureandforestry（林业），andmostoftherestliveinoraroundtowns，sm...
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