Unit9 life in the year 2050第六课时Teaching Aims:1. The students can do some exercise by themselves.2. The students like to learn English.Teaching Emphasis:1. Review this unit and do some exercise.2. Evaluate their learning. Teaching DifficultyHow to do these exercises.Teaching process:Step1 Review homeworkLet students read out their paragraphs in groups and select the most interesting one to red aloud for the whole class.Review the story, words and grammar.T: Have the children try to rete..