题目: 在“十进制计数法”中,每相邻的两个( )之间的进率都是十。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0330/a071edfb1680193c797c5a5cba35fc89.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:单项选择题 At the equilibrium levels of output and price in a competitive industry without taxes:()A. consumer surplus is maximized.B. producer surplus is maximized.C. the sum of producer and consumer surplus is maximized. 查看答案