Unit 1 Stay Healthy Lesson 4 Don't Smoke, Please!课件(共30张PPT)

(共30张PPT)
Unit 1
Stay Healthy
Lesson 4
学习目标
Curriculum words: smoke, harmful, be harmful to, as a result of.
Useful expressions: Smoking pollutes the environment, too. Everyone wants to live in a clean environment and breathe fresh air.
Functions: Master the new words: smoke, harmful, disease, lung, breathe, harm, cigarette, whenever, risk, somebody
Grammar: It’s + adj. + to do.
Sentences: If you smoke, you harm yourself, but you're also harming the people around you with your second hand smoke.
THINK ABOUT IT
·Do you know when World No Tobacco Day is
·Do people in your family smoke ？ If so, what do you advise them to do
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
新课讲授
around the world die as a result of smoking. That's terrible!
·If you smoke, you harm yourself, but 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.
No smoking, please!
smoke/sm k/ v.吸烟 n.烟
smoke可作及物动词，也可作不及物动词。
eg：It's against the rules of the school to smoke.
吸烟是违反校规的。
1
eg：Do you mind if I smoke
如果我吸烟，你介意吗？
smoke也可作名词，smoke 可指燃烧中产生的烟，用作不可数名词。
eg：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。
eg：Do you want to have a smoke？
你想抽支烟吗？
harmful/'hɑ mfl/ adj. 有害的;导致损害的
eg：It's harmful to your health to drink too much.
过量喝酒对你的健康有害。
2
be harmful to sb./sth.意为“对某人或某物有害”。
eg：Smoking is harmful to health.
吸烟对健康有害。
be harmful to的同义词组有：
eg：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”。
eg：Vegetables are good for your health.
蔬菜对你的健康有好处。
典例
Smoking is so ________ to our health that it kills seven times more people each year than automobile accidents.
A．good　　　　　B．harmless
C．harm D．harmful
【点拨】句意“吸烟对我们的健康如此有害以至于每年因抽烟而死亡的人数是因车祸而死亡的人数的七倍。”由句中to和空格前的系动词is，可知选D项。
D
as a result of 由于，作为……的结果
3
eg：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 “由于，作为……的结果”，后跟名词、代词。相当于because of 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 (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。
as a result of 和as a result辨析
against / 'ɡenst/ prep. 反对，靠着，逆着，防备
4
必须和be动词或其他的动词连用；against 后面可跟名词、代词或动词的 ing形式作宾语。其用法如下：
against 反对，逆着 We are against the plan.
我们反对这个计划。
倚着 The piano stood against a wall.
钢琴靠墙放着。
防备 He saved money against old age.
他攒钱防老。
典例
It was announced on January 1, 2014 that smoking ________ ________ (触犯) the rail safety rules.
is against
whenever/wen'ev / conj. 在任何……的时候；无论何时；每次
5
eg：Whenever she comes，she brings a friend.
她每次来都带着个朋友。
whenever 用于引导时间状语从句。
whenever＝ no matter when。
eg：Please call me first whenever you leave.
＝Please call me first no matter when you leave.
无论你什么时候离开，请先给我打个电话。
类似whenever的词还有：
whatever 不管什么
eg：Please ask me for permission whatever you want to do.
无论你想做什么，请先得到我的允许。
whichever无论哪个；无论哪些
eg：Whichever they choose，we must accept their decision.
无论他们选择哪个，我们都必须接受他们的决定。
wherever无论哪里
eg：Wherever you go, there is always a spy following.
不管你走到哪里，总有密探跟着。
典例
【点拨】本题可用语境分析法。whatever“不管什么”；whichever“无论哪个”；whenever“无论何时”；wherever“无论哪里”。根据句意“无论何时你方便就来看我。”可知选C项。
Come and see me ________ it is convenient for you.
A．whatever　　　　B．whichever
C．whenever D．wherever
C
risk /r sk/n.危险；风险
【易错点】
6
risk作名词，常用的短语有：
A．at risk“有危险”
eg：All the children under five are at risk.
所有五岁以下的孩子都有危险。
eg：He saved my life at the risk of his own life.
他冒着生命危险救了我的命。
B． at the risk of doing “冒……的风险”
eg：He determines to do it even at the risk of being fired.
他决定即使冒着被解雇的风险也要去做它。
C． run the risk of doing sth. 冒……的风险
eg：We don't want to run the risk of losing their business.
我们不想冒失去他们生意的风险。
risk 也可作动词，其后常接名词或动词的 ing形式作宾语。
eg：If you don’t warm up before taking exercise，you will
risk injuring yourself.
假如锻炼前不做热身活动，你就有受伤的危险。
somebody/'s mb d / pron.有人；某人
7
eg：There is somebody at the door.
门口有个人。
somebody 有人；某人 同义词为someone，常用于肯定句。 Somebody is waiting outside.有人正在外面等。
everybody 每人；人人 同义词为everyone，常用于肯定句和疑问句。 Everybody bought their own lunch.每人自己买了午饭。
anybody 任何人 同义词为anyone，常用于否定句和疑问句。 I didn't see anybody.
我谁也没看见。
nobody 没有人 同义词为no one。 Nobody helped us.
没有人帮助我们。
【重点、易错点】
somebody，everybody，anybody和 nobody辨析
Your mobile phone is ringing. _______ is calling you.
A．Nobody　　　　　　B．Anybody
C．Somebody D．Everybody
典例
【点拨】考查词义的理解。句意：你的手机响了。有人在给你打电话。 A．没有人，表示否定的意义； B. 任何人，多用于否定句和疑问句；C.某人，多用于肯定句；D. 每个人，强调全体。结合句意，综合分析可知，选项C 正确。
C
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
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、根据汉语或首字母提示完成句子
1．Don't ________ (吸烟) in the waiting room, please.
_________(无论何时) you need my help, I'll come to help you.
3．Don't play computer games for a long time. It is h________ to your eyes.
4．(中考·云南)It's polite to keep our voice down _____________ (在公共场合)．
5. (贺州模拟)Why did you put your money in the cooperative (合作社组织) in the country on _______________(如此大的风险)
smoke
Whenever
armful
in public places
such a high risk
当堂检测
二、用所给词的正确形式填空
6. ________(million) of migrant workers(农民工) go
home during the Spring Festival.
7. You should try __________(explain) how important it
is in your life.
8．A good habit is the wealth of life. We should _______.
(help) children ________ (get) into good habits.
9. When things aren't going well, he encourages me
not__________ (give) up.
10. Smoking in public is against the law. Please stop
________ (smoke) right away.
Millions
explaining
help
get
to give
smoking
三、根据汉语完成句子
11. 每天呼吸新鲜的空气对我们的健康是有好处的。
It______ ______ ______ our health to________ fresh air every day.
12. 不要养成吸烟的习惯，它对你有害。
Don't ______ ______ ______ ______ ______ ________. It's harmful
to you.
13. 你也正在用你的二手烟伤害着其他人。
You're also ________ other people with your __________ _______.
14. 无论何时有人向你提供香烟，你都应该说不。
________ someone offers you a ________, you should say no.
15. 远离毒品，你可以过上幸福的生活。
______ ______ ______ drugs (毒品) and you can live a happy life.
is good for
breathe
get into the habit of smoking
harming
second hand smoke
Whenever
Stay away from
cigarette
课堂总结
Structure
Smoking pollutes the environment, too. Everyone wants to live in a clean environment and breathe fresh air.
Key Words
smoke, harmful, be harmful to, as a result of
Key sentences
If you smoke, you harm yourself, but you're also harming the people around you with your second hand smoke.
Expressions
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.