本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-12-09到2021-12-31
本篇答案更新状态:已完结
Chapter1 Introduction Unit quiz
1、 问题:In 2018, the total output of six coal enterprises with a coal output of more than 100 million tons accounted for ( )% of the total output of China.
选项:
A:29
B:45
C:63
D:50
答案: 【29】 点我阅读全文