2. 职称英语
  3. (By) the end of the nineteenth century, organic chemistry had (develop) new (met

(By) the end of the nineteenth century, organic chemistry had (develop) new (met

游客2025-02-10  31
问题 (By) the end of the nineteenth century, organic chemistry had (develop) new (methods) for the (synthesis) of dyes, perfumes, explosives, and medicines.
选项 A、By
B、develop
C、methods
D、synthesis
答案 B
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3950089.html
相关试题推荐
随机试题
最新回复(0)