共70张。

　　Unit 2 The Environment
　　Task
　　Teaching aims:
　　1. Learn how to design a poster.
　　2. Learn how to listen and draw conclusions
　　3. Learn how to collect specific information by reading an article
　　4. Cultivate the students’ abilities of listening, reading and speaking..
　　Difficult & Important points:
　　1. Listen and draw conclusions
　　2. Read for information
　　3. Present your point of view
　　Teaching methods:
　　Task-based teaching, 
　　Practice
　　Teaching aids:
　　A projector.
　　A computer.
　　Procedure:
　　Step 1 Leading in
　　T: Tell the students that environment protection is very important, so today they will design a poster to educate people. First, they will learn how to listen and draw conclusions. Then let them read the instructions and show them the two examples to help them understand it better.
　　Step2 Listening
　　T: Mare the students know what to do and then let students read the requirements in part A and B.  Explain them to the students clearly if necessary. Then play the tape twice for them to complete the exercises. If time permits, play the tape a third time to give them a sense of achievements. 
　　Suggested answers: