Unit 6I Want to Invent a Family Robot DoctorI want to invent a family robot doctor.It will be invented by me with the help of my friends.And it will be invented when we grow up and get enough knowledge. It will be used in each home.It can be used to deal with people’s health problems without the need of going out.People can get help from the robot doctor immediately when they feel sick or get hurt.So,without any doubt, it will be very helpful to have such a robot.