S1:Dinosaurs and dodos have died out.They lived on the earth many years ago.
S2:The Milu deer still live on the earth,there are some in China.
T:Yes.Do you want to know more about them?Let's come to the short passage on Page 30.
Step 3 Reading
Task 1 Prediction
T:Can you guess what the reasons might be for the disappearance of the dinosaurs and dodos?
S1:Because the weather changed much at that time.
S2:Because the human beings killed them.
Task 2 Fast reading for the main idea
T:Maybe you are right.Let's read the text.After reading,you should find out the main idea of the text.One minute for you to read.
(One minute later.)
T:You may talk about it with your partner and now