问题描述:
英语选择并讲一下
It was marie curie who __redium and __ X-ray machines.
A.invented,discovered B.discovered,inveted
C.founded,invented D.discovered,found
It was marie curie who __redium and __ X-ray machines.
A.invented,discovered B.discovered,inveted
C.founded,invented D.discovered,found
问题解答:
我来补答展开全文阅读