1．If you could have three of these paintings on the walls of your classroom，which would you choose?
2．If you were an artist，what kind of pictures would you paint?
3．If the rules of perspective had not been discovered，no one would have been able to paint such realistic pictures.
4．Without the new paints and the new technique，we would not be able to see the many great masterpieces for which this period is famous.
5．There are scores of modern art styles，but without the Impressionists，many of these painting styles might not exist.
