【正文】
son Thomas Alva Edison was born on 11th February, 1847, in Milan, Ohio. He was the youngest child in his family. The family was poor. After Edison studied for three months at school, his mother took him out of school. She taught him at home. Edison said many years later, “My mother raised(養(yǎng)育) me. She was so true, so sure of me, and I felt I should live for her. I must not disappoint her.” Around the age of twelve, Edison lost al