约820字。
　　Unit 2 Languge
　　Word power---教案
　　Teaching Aims:
　　1. Enlarge the students’vocabulary.
　　2. Get the students to know about formal and informal English; and know something about countries and their official languages.
　　3. Through the listening practice, help the students know more how to improve their English.
　　Teaching important points:
　　1. Make the students know something about Formal and Informal English.
　　2. Master the words in this part and use them freely.
　　Teaching difficult points:
　　How to make the students use this skill freely to solve some problems
　　Teaching methods:
　　1. Talking to improve the students’speaking ability.
　　2. Practice to get the students to master what they’ve learnt.
　　3. Discussion to make every student work in class.
　　Teaching aids:
　　1. the multimedia
　　2. the blackboard.
　　Teaching procedures:
　　Step 1.. Revision and lead in
　　Selee words and phrases often used in spoken English, then point out informal English expressions
　　①An informal letter:
　　I am so sorry to say that a lot of your answers to those questions in your homework are not precise, so you must thint them.
　　②To judge which is the better expression: