中国的书法艺术具有特殊的审美价值。如果你想临摹“书圣”王羲之的行书作品,应该选择下列哪一字帖?()
A.图1
B.图2
C.图3
D.图4
参考答案:C
风景名胜区和一般的工业区分别属环境空气质量功能区的( )。
A.一类区和三类区 B.一类区和二类区C.二类区和三类区 D.二类区和二类区
Which of the following is least relevant when explaining why monopoly firms can earn positive economic profits over the long term()
A. The ability to use price discrimination.
B. The existence of economies of scale.
C. Control over production input resources.