1.What do you know about the inventor?

2.How useful is his invention to human society?

Step III Let the Ss read the four questions first to get general idea of what should be paid attention to and then play the tape for Ss to follow. When they finish, let them exchange notes with their partners and find the supporting sentences. Then check the answer with the whole class.

Step IV Give the Ss the reading task:

Do you know about the world famous painting "Mona Lisa"?

Do you know who painted the great picture?

Do you think Leoanrdo da Vinci is really a good painter? What else do you know he is famous for?

Step V Ask the Ss to do exercise 1 and exercise 2

Then ask the Ss to do Exercise 3, that is, having a discussion