(共34张PPT)
Unit 2 Keeping Healthy
Topic2 I must ask him to give up smoking
Section D
（仁爱科普版）八年级
上
Learning objectives
1
Review
Pre-reading
3
While-reading
Post-reading
5
Project
Summary
7
Assessment
2
4
6
8
Homework
9
1
Learning objectives
After learning this lesson, you can:
Learn some new words and expressions;
Review words and useful expressions in this topic;
Know more about the harm of smoking;
Talk about how to keep healthy, using modal verbs properly.
Modal Verbs (Ⅱ): must/mustn’t; may; can
You _________ throw litter around.
He thinks smoking ______ help him relax.
It _____ even cause cancer.
I _____ ask him to give up smoking.
_______ I borrow your newspaper and show it to my father
can
May
mustn’t
must
can
2
Review
Who is the Best
can
Helen can sing and dance.
can 表示能力，意为“能，会”。
Can I ask you some question
can 表示请求或者许可，意为“可以”。
表示可能性，意为“可能”。
Anything can happen.
The news can’t be true
注意：表示对可能性的否定，无论是否有依据，语气是否肯定，一律都用“can’t be”意为“不可能”。
Let's learn!
2
Review
may
You may keep the book for a week.
May I watch TV after supper
表示请求或许可，意为“可以”，多用于肯定句或疑问句中
My father may get to Hong Kong tomorrow.
表示估计，推测，意为“也许，可能”，语气最弱，多用于肯定句
Let's learn!
2
Review
must
We must follow the school rules.
Must I finish the work before Friday？
must表示义务，主观看法或劝告，意为“必须，一定”，可用于肯定句和疑问句
The light is on. He must be at home.
must表示有把握的推测，意为“一定，准是”，用于肯定句。
You must not turn right.
must not (mustn’t)否定形式表示不许，禁止，意为“一定不要，千万别”
2
Review
Let's learn!
_______ up late is bad for your health.
How terrible!
It’s ______ for your health.
Don’t read ____ the sun.
It will keep you ______ during the day.
in
Staying
good
Functions
active
2
Review
We should/had better take showers often.
What should we do to keep healthy
3
Pre-reading
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
Make sentences
We should/had better wash the hands before meals.
What should we do to keep healthy
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
3
Pre-reading
Make sentences
What should we do to keep healthy
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
We should/had better/ can often open the window to keep the air fresh.
3
Pre-reading
Make sentences
We can’t/mustn’t drink sour milk.
What should we do to keep healthy
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
3
Pre-reading
Make sentences
What should we do to keep healthy
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
We should/had better/can/must tidy our rooms and often sweep the floor.
3
Pre-reading
Make sentences
What should we do to keep healthy
should/shouldn’t
had better/had better not
can/can’t
must/ mustn’t
We can’t/mustn’t spit in public.
3
Pre-listening
Make sentences
1 Listen and number the following pictures.
1
5
3
6
2
4
3
Pre-reading
Write a short passage about how to keep healthy.
3
Pre-reading
Group work
You can start your passage like this:
Hello, boys and girls! In our daily life, we can do many things to keep healthy.
First, ____________________
Second, __________________
Third, ___________________
Speak aloud!
Be confident!
Sharing!
Some people think that smoking ________ ( must/can) help them relax. In fact, smoking is really __________ (healthy/unhealthy). Do you know that there ______ (is/are) over 4000 chemicals in cigarettes These chemicals are _______ (good/bad) for our bodies. They _____ (must/can) cause cancer and other diseases.
The smoke from cigarettes harms ____________ (only/ not only) smokers but also other people. It’s called “second-hand smoke” and it ______ (can/can’t) be more dangerous and has higher risks. Smokers shouldn’t use smoking to help them relax. They ______ (must/mustn’t) give up smoking as soon as possible.
can
unhealthy
are
bad
can
not only
can
must
2 Complete the passage with the correct words.
4
While-reading
5
Post-reading
Tips:When we read,we should pay attention to pronunciation（语音）and intonation（语调）
Some people think that smoking can help them relax. In fact, smoking is really unhealthy. Do you know that there are over 4000 chemicals in cigarettes These chemicals are bad for our bodies. They can cause cancer and other diseases.
The smoke from cigarettes harms not only smokers but also other people. It’s called “second-hand smoke” and it can be more dangerous and has higher risks. Smokers shouldn’t use smoking to help them relax. They must give up smoking as soon as possible.
Checklist Star
1.Read loudly and fluently. 声音响亮且流利
2.Read with intonation and feelings. 语调正确且富有情感
3.Pronounce correctly. 发音准确
Read the passage again.
4
While-reading
True or False
1. Some people think smoking is a good way to relax. ( )
2. There are less 4000 chemicals in cigarettes. ( )
3. Second-hand smoke can be more dangerous and has higher risks. ( )
T
F
T
Some people think that smoking can help them relax. In fact, smoking is really unhealthy. Do you know that there are over 4000 chemicals in cigarettes These chemicals are bad for our bodies. They can cause cancer and other diseases.
The smoke from cigarettes harms not only smokers but also other people. It’s called “second-hand smoke” and it can be more dangerous and has higher risks. Smokers shouldn’t use smoking to help them relax. They must give up smoking as soon as possible.
5
Post-reading
Language points
事实上
chemical
/ kem k/
n.化学物质
cigarette
/s ɡ ret/
n.香烟
不但...而且...
尽可能快的
Language points
1.The smoke from cigarettes harms not only smokers but also other people.
翻译
来自香烟的烟不但伤害抽烟者而且伤害其他人。
拓展
not only...but also...不但...而且
5
Post-reading
5
Post-reading
Deep thinking
世界无烟日（World No Tobacco Day）来源于1987年11月世界卫生组织（WHO）在日本东京举行的第6届吸烟与健康国际会议，会议上建议将节日定为每年的4月7日，并从1988年开始执行，但从1989年开始，世界无烟日改为每年的5月31日，因为第二天是国际儿童节，希望下一代免受烟草危害。烟草依赖是一种慢性疾病，烟草危害是世界最严重的公共卫生问题之一，吸烟和二手烟问题严重危害人类健康。
5
Post-reading
Deep thinking
Work in groups and write down your advice to the smokers who are around you.
I think you should give up smoking.
.......................
.......................
( )1.How often do you walk to school
A. Never. B. Sometimes. C. Always.
( )2.How often do you eat candy
A. Often. B. Seldom. C. Never.
( )3.How long do you usually sleep at night
A. Less than 7 hours. B. More than 10 hours. C. 7-10 hours.
( )4.How often do you exercise
A. Less than three times a week. B. Three to six times a week.
C. Every day.
( )5.How often do you eat fruit and vegetables
A. Never. B. Seldom. C. Often.
( )6.How long do you watch TV every day
A. More than 4 hours. B. 2-4 hours. C. Less than 2 hours.
6
Project
Testing How Healthy You Are
Choose the answer to each question according to your lifestyle.
Testing How Healthy You Are
Scores: A = 1 point B = 2 points C = 3 points
Total score: _________
Conclusion What you should do to keep healthy.
(6-9) Unhealthy
(10-13) Just so-so
(14-18) Healthy
6
Project
6
Project
Some other ways to keep healthy!
6
Post-reading
3 Write a passage about how to keep healthy.
Request:
1. What do you have for breakfast/lunch/dinner
2. What do you think of your meals
3. What should you do next
7
Summary
Key phrases:
1. 保持空气清新
2. 整理房间
3. 扫地
4. 事实上
5. 不但...而且
6.尽可能快
keep the air fresh
tidy the room
sweep the floow
in fact
not only... but also
as soon as possible
7
Summary
Key sentences
1. 禁止随地吐痰。
2. 事实上，吸烟有害健康。
3. 来自香烟里的烟不仅对吸烟者有害，而且对其他人也是有害处的。
4. 他们必须尽可能早的戒烟。
We can’t/mustn’t spit in public.
In fact, smoking is really unhealthy.
The smoke from cigarettes harms not only smokers but also other people.
They must give up smoking as soon as possible.
8
Assessment
Self-assessment
How well do you know about this lesson Tick the boxes.
I can learn some new words and expressions;
I can review words and useful expressions in this topic;
I can know more about the harm of smoking;
I can talk about how to keep healthy, using modal verbs properly.
9
Homework
Read the passage in 2 aloud and fluently and finish the workbook.
Make the letter you wrote to your father before better.
Summary the ways to keep healthy and sort them.
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Thanks!
