教学目标：
1、巩固所学职业名称；
2、能初步掌握对话中出现的名词单复数形式的不同表达。
3、能听懂指令，做动作。
重点难点：
1、分辨左右，听懂指令；
2、名词单复数形式的不规则变化；
教法提示：
讲授法，谈话法，演示法，情景教学法，情感教学法，师生互动法，阅读法
教学准备：
多媒体课件，单词卡片
教学过程：
Step 1 : Warming up :
1、Greetings;
2、Game: Monkeys see ,monkeys do;
Hands up /down ;
Left / right ;
Turn left/ right .
Go ,stop,go .stop .
Step 2 :Presentation and drill :
1、Ss act, T asks : What are they ?Are they soliders ?
Ss: No, they aren’t.
T : You are right .they are policemen.
2、Ss learn to say the word “policemen”
3、Ss find out some other words: woman / policeman / fireman / postman .
T and a student act like a traffic police :Stop！ Turn right！ （拦车检查动作）
What are we ?
Ss : Are you policemen / soliders ?
T : No. We are traffic police.
Ss learn to say the new word.
Pay attention to : a traffic police , some traffic police.
Step 3. Practice :
1、Listen to the recorder ,read the new words in Part B after it .
2、Game :Guess ！（Part C）
3、Read the story in Part C , then try to act.
Step 4 : Consolidation:
1、Make dialogues: You meet your classmates after 20 years, what will you be ? How about the others ? Imagine and make the dialogues
2、Ss act .
Step 5 :
1、Do the exercises ;
2、Homework : Copy and read the words.