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　　Describe an important invention before the age of computer.

　　You should say

　　What is it?

　　When was it invented?

　　What is it used for?

　　And explain the advantages and disadvantages in our life.

　　Further questions:

　　Can you compare it with other machines in your home.?

　　Do you think it’s available for the people outside of the city?

　　If there is no tv, what do you think people’s life will be like?

　　Which is more important to this world, the invention of a tv or the works of a poet?