1、111Module 5 Unit 2 The environment Welcome to the unit【教學目標】Knowledge aims:Help the students know something about different environmental problems according to the six pictures as well as their previous knowledge.Ability aims:Encourage the students to participate in the discussion about these environmental problems caused both by nature and by man.Emotional aims:Have the students discuss how serious the environmental problem is in the world and in our hometown and what they can。

2、111Unit 3 Science versus naturePeriod one Welcome to this UnitTeaching Aims:Enable the students to know something about cloning, and give their own opinions about cloning.Help the students learn how to describe the advantages and disadvantages of human cloning with the target language.Teaching important and difficult points:Talk about cloning and human cloning.How to describe the advantages and disadvantages of human cloning.Teaching Procedures 。