Greet the whole class as usual.

　　Step 2 Lead-in

　　T：（Walk to one boy） Wang Bin，what do you usually do on weekends？

　　S1：I sometimes play basketball with friends.I like basketball very much.

　　T：Then you must know this man.（Show the picture or play a short video program of Jordan-a famous basketball player who is a black man.）

　　T：Do you know who he is？

　　S1：Of course I do. He is Jordan，my idol. He is the best basketball player in the world. I have many pictures of him.

　　T：Yes，you're quite right. He is very famous and many people all over the world worship him. But do you know that it was not until about fifty years ago that the blacks got their freedom and were treated as equal citizens？

S2：Yes，we learnt about this in our history classes. The blacks were first brought to America as slaves. They were treated badly and they had no rights.