问题
选择题
107. The Curies are best known for ____ radium and they won the Nobel Prize in 1903.
A．discovering
B．inventing
C．finding
D．Creating
答案
答案：A
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107. The Curies are best known for ____ radium and they won the Nobel Prize in 1903.
A．discovering
B．inventing
C．finding
D．Creating
答案：A