在发达的市场经济国家,企业法律顾问制度是( )普遍采取的一项重要管理制度。
A.国有企业
B.垄断集团
C.大中型企业
D.大型企业
参考答案:D
若A={x|x≥2},B={x|1<x≤4},则A∩B=______;A∪B=______.
Which of the following theories assumes the main source of business cycle is most likely due to changes in technology and extemal shocks()
A. Keynesian cycle theory.
B. Real business cycle theory.
C. New classical cycle theory.