内容正文：
人教新目标版 八年级上
Unit 2 How often do you exercise?
Section B
2a-2e 阅读课
1.Lisa sleeps eight hours every night.
2.She eats a good breakfast and she exercises every day.
3.She never eats junk food.
Is she healthy or unhealthy?
1.Jack sleeps just 6 hours every day.
2.He eats junk food very often, and he never drinks milk.
3.He hardly ever exercises.
Is he healthy or unhealthy?
How to keep healthy?
Eat healthy food.
Exercise often.
Have lots of sleep.
Be happy.
Help others.
…
Rank these activities according to how often you think your classmates do them (1=most often, 6= least often).
watch TV
go to the movies
play computer games
exercise or play sports
use the Internet
go camping in the country
2a
television 电视
together 一起
percent=per cent
百分之...
body 身体
online 上网
mind 头脑
What do you do in your free time? Do exercise, use of the Internet or watching TV?
What activities do you think is healthy for the mind and the body?
Let’s do a survey
Read the article and complete the pie charts
2b
What Do No.5 High School Students Do in Their Free Time
Last month we asked our students about their free time activities. Our questions were about exercise, use of the Internet and watching TV. Here are the results.
We found that only fifteen percent of our students exercise every day. Forty-five percent exercise four to six times a week. Twenty percent exercise only one to three times a week. And twenty percent do not exercise at all!
We all know that many students often go online, but we were surprised that ninety percent of them use the Internet every day. The other then percent use it at least three or four times a week. Most students use it for fun and not for homework.
The answers to our questions about watching television were also interesting. Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. And eighty-five percent watch TV every day! Althou