约4100字。

　　Unit 12 You’ re supposed to shake hands.
　　The First Period
　　Ⅰ． Teaching Aims and Demands
　　1． Knowledge Objects
　　（1）Key Vocabulary
　　bow, kiss, be supposed to, shake hands, customs
　　（2） Target’ Language
　　What are people in pposed to do when they meet for the first time?
　　They’re supposed to bow．
　　2． Ability Objects
　　（1）Train students’ listening ability．
　　（2）Train students’ communicative competence．
　　Ⅱ． Teaching Key Points
　　Target language
　　Ⅲ． Teaching Difficult Points
　　1． How to train students’ listening ability．
　　2． How to train students’ communicative competence．
　　Ⅳ． Teaching Procedures
　　Step Ⅰ Revision
　　T: Yesterday we finished Unit 11． In this unit, we learned some ways of asking for information politely． Now if you want to go to a library to get a book, how can you ask?
　　Write the two column headings on the board: Right and Wrong．
　　Say, Please tell me things that are good to do in school and that are not good to do in school．
　　Write each suggestion under the appropriate heading on the board．
　　T: Is it a good idea to come to class late?
　　S1: No．
　　T: That’s right, It’s not a good idea to come to class late． You’re not supposed to come to class late． Class repeat． You’re not supposed to come to class late．
　　Ss: You’re not supposed to come to class late．
　　T: （Writes come to class late under wrong） What are some things you shouldn’t do?
　　S2: We shouldn’t eat in class．
　　T: Right． You’re not supposed to eat in class．
　　Asdents to repeat this example．
　　Then asdents to tell about some things that are good to do in school． They may say things such as, You should do your homework every day; You should raise your hand before you talk． Rephrase each of these sentences using supposed to and asdents to repeat: You’re supposed to do your homework every day．
　　You’re supposed to raise your hand before you talk．
　　Step Ⅱ 1a
　　Let students read the instructions．
　　Point to the two lists of words． Read each word and asdents to repeat it．
　　Put up a map of the world on the board．
　　Asdents to explain where each of the countries is．
　　Ask different students to act out the action described by each word or phrase—bow, shake hands, and kiss．
　　Read the instructions again and asdents to match the customs lettered a, b and c with the numbered countries．
　　Look at the sample answer． Tall students to guess if they aren’t sure．
　　Step Ⅲ 1b
　　Go through the instructions with the class． Point to the lists in Activity la and say, Now you will hear a conversation between a boy and a girl． Their conversation contains the answers to the questions in
　　Activity 1a．
　　Play the tape for the first time． This time, students only listen．
　　Play the tape a second time． Ask them to listen to the recording and check their answers to Activity 1a．