约1450字。

　　Module 6 Save our world
　　Teaching aims and demands
　　1. Knowledge aims
　　1) To learn something about protecting the environment.
　　2) To know more about the ways to save the world.
　　3) To learn the grammar: word-building---- suffixes and prefixes
　　2. Ability aims
　　The students will be able to grasp the key words and expressions about the environment and can use corrected patterns to communicate with others in both oral English and written English.
　　3. Emotional aims
　　Help the students learn how to communicate with others, and let the students realize the responsibility of protecting the environment. It’s time to save our world.
　　Key and difficult points:
　　1) words and expressions in U1 and U2
　　2) grammar knowledge in U3
　　3) important sentences in U1 and U2.
　　Teaching methods:
　　Individual, pair and group work to make every student active in class.
　　Teaching aids:
　　Tape-recorder, computer, pictures and epidiascope.
　　Teaching time:
　　3* 40munites
　　Unit 1: It’s wasteful to throw away paper and metal
　　Teaching steps:
　　Step 1. Warming up
　　Look at the pictures and talt the questions about pollution
　　1)our environmental situation
　　1. Waste glass and paper are thrown away everywhere.
　　2. Rivers and oceans have been polluted by dirty water and oil . Plenty of fish have been dead.
　　3.We use large numbers of mobile phones and drive all kinds of cars. We waste a great deal of metal and Human being is harmed by rays and exhaust.