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Purpose:Train the Ss’ listening ability Step 4. Fast reading Read the passage as quickly as they can. I show the questions on the screen and let them get the main idea of this lesson. Purpose: Improve the students’ reading ability. Step5: Act out: Ask two groups to e to the blackboard and act out the dialogue, if they do well,we can go on next step , If they can’ t , I will give them two minutes to recite the dialodge. Purpose: I want to know if my students understand the whole text really. Step6: Play a game I’ll ask one cute student to e to the blackboard and do some actions like a dog ,a monker and so on,the others can guess what It is. In this part ,it can improve the students’ speaking ability. By this way the students can remember the new words easily. Step7: discussing Scientists say that seventyfour different kinds of living things go extinct every day. How can people stop animals from going extinct, or how to protect the animals. Purpose: This part make the students understand the an