【单选题】Which of the following statements is true about scarcity?
A.
Scarcity is our inability to satisfy all of our wants.
B.
Scarcity problem arises because our wants are greater than resources available.
C.
The poor and the rich both face scarcity.
【简答题】A.shortage B.lack C.deficiency D.scarcity
【简答题】substantial annual assemble react furnish distinction contract apparent manificent
【简答题】substantial annual assemble react furnish distinction contract apparent manificent
【单选题】关于溶血反应的原因以下哪项是错误的 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】4℃水的动力粘度为1.519×【图片】(Pa.S),其运动粘度为 .
【单选题】Which of the following statements is true about scarcity?
A.
Scarcity refers to the situation in which unlimited wants exceed limited resources .
B.
Scarcity is not a problem for the wealthy.
C.
Scarcity is only a problem when a country has too large population.
D.
Scarcity arises when there is a wide disparity in income distribution.