3.We use large numbers of mobile phones and drive all kinds of cars. We waste a great deal of metal and Human being are harmed by rays and exhaust.

2.Rivers and oceans have been polluted by dirty water and oil . Plenty of fish have been dead.

1.Waste glass and paper are thrown away everywhere.

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* 45munites

　　　　 Unit one: It’s wasteful to throw away paper and metal

Teaching steps:

Step 1. Warming up

　 Look at the pictures and talk about the questions about pollution

　　 1)our environmental situation

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.

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. Finish the module work.

1. Review Language in use (2).

2. Workbook: Grammar and vocabulary.

设计意图:

　　 加前、后缀是英语中最常见的扩充词汇的方式，也是学习英语必须掌握的构词法。但常用的前缀、后缀非常多，因此应指导学生在学习的过程中自己学习，讨论，研究和发现其规律，并注意平时的积累。

Homework:

1. Do Activities 2, 3 and 4.