【简答题】Yet
historical research and studies in sociology suggest that sport is not
simply a substitute for conflict. It seems that wherever there are human
activities,there is sport. One reason for this is...
【单选题】According to current estimates of Okun's law, if the output gap is 3%, the natural rate of unemployment is 4%, and the expected rate of inflation is 5%, then the unemployment rate is:
【单选题】Which of the following is indicated by the Eng el ’s law ? a. Everything else remaining unchanged, an increase in the price of a commodity lowers the real income of the consumers. b. In the long run a...