Find the sentences in the passive voice in the text and read them out. every country has some famous people whose names are known all over the world.thry are remembered for the things they did for mankind.their books are read,their theories are discussed,their discoveries are admired .people want to know details about the lives and works of different scientists and athletes,actors,ballet dancers and showmen.

Every country has some famous people whose names are known all over the world. (are known - passive voice)
They are remembered for the things they did for mankind. (are remembered - passive voice)
Their books are read,their theories are discussed,their discoveries are admired. (are readare discussedare admired - passive voice)