My favourite inventor:(我最喜欢的发明家)
Thank to the great inventions of the scientists,we are enjoying our happy life today.Among those great scientists,I really appreciate the one with the name Edison who is one of the characters in our text-book.It is said that he invented thousands of objects,such as telephone,lamp and telegram and so on.My favourite invention is telephone.And since it was invented,telephone has been changed and advanced.Till now,nearly everyone has a cell phone in hand.The cell phones make our life very convenient.But,while you are making a phone call,perhaps,you never think about its invento