首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 468

It is reported that ________ European chemist called Felix Hoffmann first produced ASA which completely changed ________ man’s understanding of aspirin.

A.a; / B.an; a C.the; a D.an; /
登录免费查看答案和解析
相关知识点

ItisreportedthatEuropeanchemis