假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1). 每处错误及其修改均仅限一词；
2). 只允许修改10处，多者(从第11处起)，不计分。
Edison was a great scientist or inventor. As may not be known to many people, born in a peasant families, he received few school education. He started to go to school at age of eight and remain at school for only three months. It's said that he always asked some strange questions which his teachers couldn't answer them. In fact, he was a man full with imagination. He made over 2,000 inventions in his life, covered many fields, such as the electric lamp, film, etc. He played an important part to the social develop and the progress of human beings.
