Unit 1 Lesson 4 Don't Smoke, Please!课件(共20张PPT) 冀教版英语九年级全册

(共20张PPT)
Unit1 Stay Healthy
Lesson4 Don't Smoke, Please!
Leaning Aims
单词:smoke, harmful,disease,harm,public,law,whenever,risk,somebody......
短语: millions of,as a result of,take a risk,get into the habit of,stay away from
句子: (1) Smoking is a bad habit. Smoking is bad for your health.
(2) If your family members smoke, encourage them to stop smoking.
(3) Stay away from cigarettes and you can live a long, healthy and happy life.
用英语说明吸烟的危害和远离香烟的建议。
加强吸烟有害健康的意识，远离香烟，形成健康的生活习惯。
Lead in
Do you know when World No Tobacco Day is
Do people in your family smoke If so, what do you advise them to do
Read Part 1 and answer the question.
Why is smoking harmful
Task
Smoking can cause diseases of the heart and lungs.
Smoking can harm yourself and the people around you.
Smoking pollutes the environment.
Text
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.
Language Piont
1.Why is smoking harmful
be harmful to... 对...有害 同义词组：be bad for... /do harm to...
反义词组：be good for...
e.g.You'd better not read in the sun. It's (harm) to your eyes.
harmful
e.g.It's harmful to your eyes.(改为同义句）
It's bad for your eyes.
It does harm to your eyes.
Language Piont
2. It can cause diseases of the heart and lungs.
It's hard to say what caused the accident.
The cause of the fire is unknown.
I have no cause for fear.
v. 导致
可数n. 原因
不可数n. 理由；动机
Language Piont
2. It can cause diseases of the heart and lungs.
【辨析】disease、illness和sickness
disease、illness、sickness
disease 指具体的疾病，且通常较严重，发病时间也较长。
illness 泛指一切疾病，强调生病的时间或状态，语体较sickness正式一些
sickness 较口语化，可与illness换用，但还可表示“恶心”
The boy has been in hospital for about two months.The doctor says he has serious heart .
A.sick;disease B.ill;illness
C.sick;illness D.ill;disease
Language Piont
A
Language Piont
3. Every year, millions of people around the world die as a result of smoking.
million、billion、hundred、thousand的用法？
前有具体数字，不加s不加of；没有具体数字加s 加of
【辨析】as a result of 和as a result
as a result of “由于，作为...的结果"，后跟动词、代词、动名词作宾语。相当于because of
as a result 做插入语，意为”结果“，需单独使用，可放在句首或句中用逗号与其他部分隔开。
The boy has been in hospital for about two months.The doctor says he has a serious heart .
A.sick;disease B.ill;illness
C.sick;illness D.ill;disease
Language Piont
A
Read Part 2 and answer the question.
What should we advise to stay away from cigarettes
Task
Never touch cigarettes.
Change the topic about cigarettes.
Encourage your family member to stop smoking.
Eat more fruits and vegetables, do more exercise and form
good habits.
Text
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.
Language Piont
4.Whenever someone offers you a cigarette, you should always say no.
offer sb. sth =offer sth to sb. 为某人提供某物（指主动提出/提供）
offer to do sth 主动提出做某事
e.g.他昨天主动提出帮我做家务。
她给我提供了一杯茶。
She offered me a cup of tea.
She offered a cup of to me.
He offered to help me with the housework.
Language Piont
【辨析】offer、provide 和supply
侧重点 用法
offer 指主动提出或提供 offer sb. sth=offer sth to sb.
provide 指为应急等做好准备而提供 provide sb. with sth
=provide sth for sb.
supply 指定期常规供应，强调替代或补充所需物品 supply sb. with sth.
=supply sth to sb.
e.g.--What do you think of the hotel
--Great!It can us hot water and delicious food for us.
A.provide;provide B.provide;offer
C.offer;provide D.offer;offer
C
Language Piont
5.Don't take that risk.
risk n.危险；风险 也可作动词，意为“冒......的危险”，后接名词、代词、动名词作宾语。
【拓展】risk作名词时的常见短语：
at risk 处境危险 take/run a risk 冒险
at the risk of doing sth. 冒着做某事的危险
at any risk 无论冒什么危险
take/run the risk of doing sth. 冒险做某事
Language Piont
6.but you should try explaining how important it is for their health.
try doing sth 尝试做某事（表示试试做做看）
try to do sth 努力做某事（表示想尽一切办法做某事）
try one's best to do sth=do one's best to do sth尽某人最大努力做某事
e.g.All the members in our group are trying the problems so that we can finish the work on time.
A.solve B.solving C.to solve D.solved
C
Text
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.
Language Piont
6.Once you get into the habit of smoking, it's not easy to give it up.
get/fall into the habit of doing sth 养成做某事的习惯（强调动作）
be in the habit of doing sth 习惯于...；有...的喜欢（强调状态）
e.g.I’ve got into the habit of reading Tang poems everyday.
I'm not in the habit of letting strangers into my house.
Bye-bye!