Five minutes later，the teacher shows two or three of the passages written by the students using the projector to find out and correct the possible mistakes with the class.

　　Possible version

　　Hello，everyone.My name is ______.I'm a 321 model android.I work for the Li family.My job is taking care of their only son.The parents are nice but the boy is spoiled.The family asked me to do everything for them，from shopping to cleaning the floors.But what's terrible，the child asked me to do his homework!That's too much!I'm an android，yes，but I've got my mind and feelings I can't do things that are harmful to people against my will!

　　Step 3 Summary and Homework

　　T：Boys and girls，in this period，we worked hard and wrote two short compositions.You've not only learned to make your choices or express your ideas but also learned to give your reasons to support your choices or ideas.It's really a practical writing job for you to do，don't you think so?Such writing jobs，I'm sure，will help you improve your writing skills.Now homework for you today-go over the whole unit.

　　Step 4 The Design of the Writing on the Blackboard

　　Unit 3 Computers

　　Period 5

　　A fast PC the monitor is smaller

　　Improved disc storage used recycled materials

　　Internet a flat screen

　　Step 5 Record after Teaching