问题
选择题
The computer was one of the greatest______ in the 20th century.
A．inventions
B．discoveries
C．findings
D．explorations
答案
答案：A
inventions “发明”；B.“发现”；C.“发现，发现物”；D.“探险”。
搜题请搜索小程序“爱下问搜题”
The computer was one of the greatest______ in the 20th century.
A．inventions
B．discoveries
C．findings
D．explorations
答案：A
inventions “发明”；B.“发现”；C.“发现，发现物”；D.“探险”。