【判断题】当植物吸收氨后,或者当植物所吸收的硝酸盐还原成氨后,氨立即被同化,因为游离氨(NH3)的量稍为多一点,即毒害植物。()
【单选题】production/ prə’dΛkʃən/
【单选题】A factor of production whose quantity CANNOT be changed during the short run is a(n) _____ factor of production.
【单选题】According to the Stolper-Samuelso n theorem, a price change that reduces a country’s production of its exportable product would: a. reduce the returns to all factors of production within the country. ...
【简答题】production [prəˈdʌkʃn]
【单选题】According to the Stolper-Samuelso n theorem, a n increase in the price of a country’s imports w ill : a. r educe the returns to all factors of production within the country. b. raise the returns to al...