【简答题】Task 4 Thomas Alva Edison was awarded more patents ( 专利 ) on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion...
【简答题】. Thomas Alva Edison was awarded more patents on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion was that th...