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physical adj. 身体的；体力的
effort ? ?n. 力气；精力
once in a while ?偶尔; 有时; 间或
harm ? v. ?损害；伤害
Say no/yes to 向……说不/是
教学难点：
Key structures: structures of different tenses
目标：
1. To learn some key words and useful expressions?
2.. To be able to give advice on a healthy life
3. Be harmful to as ……as possible ??
4.It’s even thought that in the future more and more people will celebrate their hundredth birthdays.
5.It is important to eat food that is fresh and natural.
教学过程
Step 1
Scan the title and the headings of the passage in 1 min.
Now try to speak out the 5 rules for a healthy life without looking at your textbook.?
Get off the sofa.
Eat healthy food.
Rest while you can.
Do not worry. Be happy.
Say no to smoking.
Step 2
Read the passage and match the rules with the pictures.
Step 3
Answer the questions.
1. What are the five rules for a healthy life according to the writer?
2. Are people today getting the same amount of exercise as they did in the past? Why?
3. Why is it sometimes difficult to be a teenager?
4. Who do you think the passage is written for?