冀教版九年级上册Unit 1 Stay Healthy Lesson 4课件(共25张PPT，内嵌音频)

(共25张PPT)
Unit 1
Stay Healthy
Lesson 4
The new words:
smoke, harmful, disease, lung, breathe, harm, cigarette, whenever, risk, somebody
Important and difficult points:
1) In many countries, smoking in public places is now against the law.
2) Never touch cigarettes.
3) If your family members smoke, encourage them to stop smoking.
4) Once you get into the habit of smoking, it’s not easy to give it up.
学习目标
No smoking.
Lead in
Do you know when World No Tobacco Day is
5月31日
Do people in your family smoke？
If so, what do you advise them to do
新课讲授
Listen and imitate
Smoking is a bad habit. As a student. you should never smoke.
Why is smoking harmful
· Smoking is bad for your health. It can cause diseases of the heart and lungs Every year, millions of people around the world die as a result of smoking. That′s terrible!
· If you smoke, you harm yourself, and you′re also harming the people around you with your second-hand smoke.
· Smoking pollutes the environment, too. Everyone wants to live in a clean environment and breathe fresh air. In many countries. smoking in public places is now against the law.
What should we do
· Never touch cigarettes. Whenever someone offers you a cigarette, you should always say no. Don't take that risk .
· When somebody talks about smoking, change the topic.
· If your family members smoke, encourage them to stop smoking. It will be hard for them, but you should try explaining how important it is for their health.
· Eat more fruits and vegetables, do more exercise, and form good habits.
Once you get into the habit of smoking， it′s not easy to give it up. Stay away from cigarettes and you can live a long， healthy and happy life.
1. smoke/sm k/ v.吸烟 n.烟
smoke可作及物动词，也可作不及物动词。
e.g. It’s against the rules of the school to smoke.
吸烟是违反校规的。
e.g. Do you mind if I smoke
如果我吸烟，你介意吗？
Language points
smoke也可作名词，smoke 可指燃烧中产生的烟，用作不可数名词。
e.g. A puff of smoke came from the stove.
炉子里冒出一股烟。
smoke也可用作可数名词，意为“吸烟”，一般用单数形式。
e.g. Do you want to have a smoke？
你想抽支烟吗？
2. harmful/'hɑ mfl/ adj. 有害的;导致损害的
e.g. It's harmful to your health to drink too much.
过量喝酒对你的健康有害。
be harmful to sb./sth.意为“对某人或某物有害”。
e.g. Smoking is harmful to health.
吸烟对健康有害。
be harmful to的同义词组有：be bad for、do harm to
e.g. Fatty food is harmful to you.
＝Fatty food is bad for you.
＝Fatty food does harm to you.
高脂食物对你有害。
be harmful to的反义词组为be good for，意为“对……有好处”。
e.g. Vegetables are good for your health.
蔬菜对你的健康有好处。
3. as a result of 由于，作为……的结果
e.g. He didn't get to school on time as a result of the snow.
由于下雪，他没有按时到校。
as a result of 和as a result辨析
as a result of“由于，作为……的结果”，后跟名词、代词。相当于because of
e.g. He passed the exam as a result of his hard work.
由于他的努力学习，他通过了这次考试。
as a result作状语，意为“结果”，后面是事情的结果，自己单独使用，用逗号与其他部分隔开
e.g. (He worked hard.) As a result, he passed the exam.
(他学习努力。) 结果，他通过了这次考试。
4. risk
作可数名词，意为“危险、冒险”。
e.g. Despite such accidents, even more people are taking the risk.
尽管事故频发，但很多人仍然在冒险。
作及物动词，意为“冒……的危险”，后面的动词要用动名词形式。
e.g. They risked losing lives to save that children.
他们冒着生命危险挽救那个孩子。
5. In many countries, smoking in public places is now against the law. 在很多国家，在公共场所吸烟现在是违法的。
这句话中的smoking in public places 是动名词短语作主语， 此时谓语动词要用单数形式。
e.g. Playing with children is very interesting.
和孩子们在一起玩很有趣。
介词短语 against the law意为“违背法律”，在句中作表语或定语。
e.g. We can’t do anything against the law.
我们不能做任何违法的事情。
6. If your family members smoke, encourage them to stop smoking.
如果你的家人吸烟，鼓励他们戒烟。
句式encourage somebody to do something 意为“鼓励某人做某事”，这里用不定式作宾语补足语。
e.g. The teachers always encourage us to study hard.
老师总是鼓励我们努力学习。
句式 stop doing something 意为“停止做某事”，类似句式stop to do something 则表示“停下来去做某事”。
e.g. It is too late. Please stop playing games.
时间很晚了。请不要玩游戏了。
7. Once you get into the habit of smoking, it’s not easy to give it up.
一旦你养成吸烟的习惯，就不容易戒掉了。
句式get into the habit of doing…意为“养成或形成……习惯”，介词of后加动名词作宾语。
e.g. His uncle has got into the habit of drinking wine.
他叔叔养成了喝酒的习惯
Fill in the chart with the information from the lesson.
Harmful effects of smoking Advice 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
vegetables
exercise
habits
Encourage
Let’s Do It!
2) Read the following sentences and pay attention to the modal verb should. Then give advice for each problem using should.
·We should go to the hospital right now.
·As a student, you should never smoke.
1．I have a very bad toothache!
You should go to see a dentist.
2．My new bicycle was stolen.
__________________________
You should call the police
3．My bedroom is a mess.
____________________________________ .
4．My computer is broken. I can't work without it.
____________________________________.
5．I was late for school this morning, and my teacher
was angry with me.
____________________________________ .
You should clean up your bedroom
You should buy a new computer
You should get up earlier next time
PROJECT POSTERS AGAINST SMOKING
Many people smoke. Smoking is a bad habit! It causes cancer and heart disease. In 1988, the World Health Organization (WHO) decided to celebrate World No Tobacco Day (WNTD) on May 31 of each year to draw global attention to the negative effects of tobacco.
Let's help people stay healthy! In a small group, make a poster that shows why smoking is bad.
Present your posters to the class. Put them up on the bulletin board in your school!
一、根据句意及汉语提示写出单词。
1. He has a heart _______ (疾病).
2. The smell in the room is _______ (糟糕的).
3. He _______ (引起) his parents much trouble.
4. The workers here need ________ (大量) of water every day.
disease
terrible
caused
plenty/lots
当堂检测
二、单项选择。
( )1. Jack has failed the game three times, but he doesn’t want to _______.
A. put up B. give up C. wake up D. look up
( )2. He never works hard. _______, he failed.
A. So that B. As a result C. However D. Because
( )3. —How long have you _______ China
—For four years.
A. left B. come back C. been away from D. returned
( )4. Reading in bed is not _______ our eyes.
A. good at B. weak in C. bad for D. good for
B
B
C
D
三、根据汉语完成句子
1.你也正在用二手烟伤害着其他人。
You’re also __________ other people with your __________ __________.
2. 他母亲让他远离陌生人。
His mother told him to __________ __________ __________ strangers.
3. 投资有风险，因此我们不能冒险。
There is a risk in investment, so we can’t _________ ________ _____.
4. 吃太多垃圾食品对你不好。
__________ __________ __________ you to eat too much junk food.
5. 吸烟会导致肺部疾病。
__________ can __________ lung __________.
harming second-hand smoke
stay away from
take a risk
It’s bad for
Smoking cause disease
Words:
smoke, risk
Phrases:
be harmful to, as a result of
Sentences:
1) In many countries, smoking in public places is now against the law.
2) Never touch cigarettes.
3) If your family members smoke, encourage them to stop smoking.
4) Once you get into the habit of smoking, it’s not easy to give it up.
课堂总结
1. Make a poster
2.Preview Unit 1-Lesson 5.
Homework