16 , the trend in Americanfarming is specialization(专业化). Farmers__17 intensivelyraising only a few things.The Department of Agriculture uses a measure called an in-dex to show how productivity changes. It 18 America's agri-cultural productivity increased by more than 100% between 1950and ...
Which of the following factors will increase labor productivity in the United States? a. An increase in the average level of education. b. An increase in unskilled workers. c. An aging labor force. d. A decline in the number of ...
Over the same period, prices of the agricultural goodsfell by more than 50%. So the trend toward increased productivitymeant lower prices. Many farmers have 19 to this trend by in-creasing the size of their specialized operations. Information inthis report comes from the 20 Agriculture ...
So the trend toward increased productivitymeant lower prices. Many farmers have 19 to this trend by in-creasing the size of their specialized operations. Information inthis report comes from the 20 Agriculture Statistics services. 相关知识点: ...