Penicillin was discovered by chance in 1928.

admin2010-01-14 57

问题 Penicillin was discovered by chance in 1928.

选项 A、finally
B、accidentally
C、experimentally
D、opportunely

答案B

解析

转载请注明原文地址:https://kaotiyun.com/show/Lwhd777K

职称英语理工类基础

相关试题推荐

随机试题

最新回复(0)