2. 职称英语
  3. —I think we’re all here now.Sara, you’re doing a presentation on a medical topic

—I think we’re all here now.Sara, you’re doing a presentation on a medical topic

游客2023-10-14  21
问题 —I think we’re all here now.Sara, you’re doing a presentation on a medical topic.You said you’d like to start by mentioning a few important medical treatments which have been developed in the last hundred or so.What’s the first?
—The first is penicillin, which was discovered in 1928.At first nobody realized___________how it could be used.Then a few years later, scientists decided to try using penicillin on laboratory mice.That’s how they that penicillin can successfully kill many serious infections.
选项 A、how a lethal dose of radiation could be exceeded
B、how it caused my toothache
C、how it could be used
D、how it could be infected
E、how it could be cured
答案 C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3097547.html
相关试题推荐
随机试题
最新回复(0)