2. 外语
  3. Penicillin was discovered by chance in 1928.

Penicillin was discovered by chance in 1928.

admin2012-07-30  46
问题 Penicillin was discovered by chance in 1928.
选项 A、finally
B、accidentally
C、experimentally
D、opportunely
答案B
解析 偶然
转载请注明原文地址:https://kaotiyun.com/show/AqFd777K
本试题收录于： 职称英语综合类B级题库职称英语分类
0

职称英语综合类B级

职称英语

相关试题推荐
随机试题
最新回复(0)