1、111Unit 2 The environmentWelcome to the unitTeaching aims and demands: Make students know the importance of the environment to the human beings .To show students the current situation of environment .To arouse students sense of environment protection.To learn some words in this lessonTeaching procedures :Step 1 : Brainstorming 1 Review the word environment and let them imagine the adjectives related to environment .Write the words on the blackboard : Harmony, peaceful,。

2、111Unit3 Science versus nature (Brief Teaching Plan)Welcome to the unitTeaching objectives:1. To arouse students interest in the unit topic 2. To help students kwon more about cloning technology3. To encourage students to participate in the discussion relevant to cloningTeaching focus and difficulties:1. Make sure that students can have the basic knowledge about cloning.2. Make sure that each student can hold their own opinions towards cloning.Teaching aids:The multimedi。