Refining is the _______ of separating these impurities from the
分类: 基础英语(00088)发布时间: 2024-08-26 05:39浏览量: 0
Refining is the _______ of separating these impurities from the pure metal. A、advance B、process C、access D、result 【正确答案】：B 【题目解析】：advance发展；前进；增长；预付款；process过程；access通道；进入；机会；result结果 句意：精炼是从纯金属中分离这些杂质的过程。