(共25张PPT)
Lesson 4
Unit 1 Stay Healthy
1
Lesson 4:Don’t Smoke, Please!
Key words & phrases:
words: smoke, harmful, public, law, whenever, risk, somebody;
phrases:millions of, as a result of, second-hand smoke, take a risk, get into the habit of, stay away from
Key sentences:
What should we do
学习目标
Through the study of the lesson can make the students learn that smoking is harmful to our health and stay away from cigarettes.
Does your father smoke
Do you think smoking is a bad habit?
Lead in
Smoking is bad for your health.
Smoking is harmful to our health.
It can cause diseases of the heart
and lungs .
[d ` zi:z]
有害的
疾病
[hɑ:mful]
[l ]
肺
A
B
Pre-reading
Whenever someone offers you a cigarette, you should always say no. Don’t take that risk.
[`siɡ `ret]
香烟
冒险
[r sk]
Everyone wants to live in a clean environment and breathe fresh air.
In many countries, smoking in public places is now against the law.
呼吸
公共的
法律
[bri: ]
['p bl k]
[l :]
Read the text in a low voice and then choose the right main idea of the text (注:自己快速默读,在文中划出答案)
A. Smoking is not harmful.
B. We should encourage our family members to stop smoking.
C. Stay away from cigarettes and you can live a long, healthy and happy life.
D. Eat more fruits and vegetables, do more exercise, and form good habits.
The main idea of the text is___________
C
Why is smoking harmful
What should we do
Smoking is bad for your health .
It can cause diseases of the heart and lungs .
You’re also harming the people around you with your second-hand smoke.
Smoking pollutes the environment.
Never touch cigarettes.
Encourage them to stop smoking .
Eat more fruits and vegetables.
Read the text aloud carefully and then complete the information chart in groups.
Harmful effects of smoking Advise to stay away from cigarettes
·Smoking is bad for your________.
It can cause __________of the heart and lungs.
·Smoking_________the environment.
·Second–hand smoke is __________to people who don’t smoke. ·Never________ cigarettes.
·When somebody talks about smoking, change the________.
·___________your family members to stop smoking.
·Eat more fruits and ____________.
Do more_________ .Form good_________.
health
diseases
pollutes
harmful
touch
topic
Encourage
vegetables
exercise
habits
second-hand smoke
Eating too much
be harmful to
对……有害
Use the useful phrases to make a sentence.
get into the habit of ……
养成…的习惯
Washing our hands before the meal
Reading books
stay away from……
远离……
Cigarettes
Internet bars
Learn to be a reporter in groups.(两个人一组编对话:一个扮演小记者 一个是中学生)
A: Excuse me . May I ask you a question
B: OK.
A: Why is smoking harmful
B: Because Smoking is bad for your health /Smoking pollutes the environment/
It can cause diseases of the heart and lungs/
/ Second–hand smoke is harmful to people who don’t smoke.
A:What should we do?
B:Never touch cigarettes./
When somebody talks about smoking change the topic./
Encourage your family members to stop smoking. /
Eat more fruits and vegetables, do more exercise, and form good habits.
1. We should go to the hospital.
2. Whenever someone offers you a cigarette, you
should always say no.
3. …but you should try explaining how important it is
for their health.
从文中找出下列句子。
Modal Verb—should
情态动词 – should
Should 的用法:
1. 用于第一人称疑问句,表征询意见。如:
Should I open the window 我可以开窗户吗?
2. should表义务,可用于各种句式,通常指将来。如:
You should do what your parents tell you.
你应该照你父母的话去做事。
He should do some work, but he doesn’t want to.
他应该做些工作,但是他不想做。
也可指现在。如:
You shouldn’t feel so unhappy over such trifles.
对这种小事,你不应该感到这么不高兴。
You shouldn’t be sitting in the sun.
你不应该坐在阳光下。
Should 的用法:
3. should表推测,暗含很大的可能。如:
It’s 4:30. They should be in New York by now.
现在是四点半,他们应该到达纽约了。
Three weeks should suffice.
三个星期应该足够了。
Should 的用法:
4. should可在某些从句中,表虚拟语气。如:
I suggest that you should stay here as if nothing had happened.
我建议你应该待在这儿,好像什么事也没有发生。
She was terrified lest they should go on talking about her.
她感到害怕,唯恐他们再说她的事。
If he should drop in, give him my message.
他若来访,就将我的消息给他。
Should 的用法:
5. should表感彩,常用在以why, how开头的疑问句中。如:
Why shouldn’t you invite him
为什么你不邀请他?
I don’t see why we shouldn’t make friends.
我不明白为什么我们竟不能成为朋友。
How should I know 我怎么知道?
Make a poster that shows why smoking is bad for people.
No smoking !
Smoking is bad for your lungs and heart.
Smoking is bad for your health.
Smoking can hurt other people.
It can cause cancer.
So smoking is a bad habit.
Spitting pollutes the environment.
Littering pollutes the environment.
Some posters:
Love your life and stay away from cigarettes.