约1340字。

　　Unit 1 How often do you exercise?     课时
　　安排 第三课时
　　1．能够听懂并恰当的使用频率副词和短语描述基本饮食结构，谈论有关健康的话题。
　　2．学习完成任务所需要的语言：
　　1) 词汇：junk food, milk, coffee, chip, cola, chocolate, drink, health, how many, interviewer
　　2) 句子：
　　How often do you drink milk?
　　I drink milk every day.
　　Do you like it?
　　No. But my mother says it's good for my health.
　　3．完成课本第4页1a, 1b, 2a,2b,2c的教学任务。
　　突出
　　内容                             教师活动                      学生活动
　　1.       Hello, boys and girls. Nice to see you again. 同学们，大家好！很高兴我们又见面了。Last time we learned a survey from a magazine. Do you remember in which school they did the survey?
　　Yes. You have a good memory. And what's the survey about?
　　According to the survey, 75% of the students exercise three or four times a week. Then you can say ...
　　You are right.
　　What about homework? Who can remember?
　　Excellent!
　　As for "watch TV", what is the result？　
　　Very good.  
　　1. Ss: Green High School.
　　Ss: About students' activities.
　　S1：Most students exercise three or four times a week.
　　S2: Most students do homework every day and some students do homework three or four times a week. No students do homework once or twice a week.
　　S3: Most students watch TV every day and some students watch TV a few times a week.