课件21张PPT。Unit 1 Stay Healthy Lesson 4
Don’t Smoke,Please! 九年级英语上 新课标 [冀教]Smoking is bad for your health.Smoking is harmful to our health.It can cause diseases of the
heart and lungs .ABRead the text and find out key phrases and sentences.Key phrases:
·millions of
·as a result of
·second-hand smoke
·take a risk
·get into the habit of…
·stay away from…Key sentences:
·Every year,millions of people around the world die as a result of smoking.
·Don’t take that risk.
·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.☆教材解读☆
1.As a student,you should never smoke.
as为介词,意为“当作,作为”。
2.Smoking is bad for your health.
◆本句为动名词作主语的句子。当动名词作主语时,谓语动词用单数形式。动名词作主语的句子可改为用动词不定式作主语,此时常用it作形式主语,而将真正的主语
——动词不定式放在句末,即“It is+形容词或名词+to do sth.”。
◆be bad for意为“对……有害”,其反义词组为be good for,意为“对……有益”。3.It can cause diseases of the heart and lungs.
disease为名词,意为“疾病”,是用以指各种病的术语,特指严重的,长期的疾病,如肝病、心脏病等。
【拓展】 (1)sickness多用来指恶心、呕吐之类的疾病,这种疾病大多由外因引起,且病痛时间较短。
(2)illness主要指因人体内部的虚弱或失调引起的疾病,且病痛时间较长。
4.Every year , millions of people around the world die as a result of smoking.
◆millions of表示模糊概念,意为“数百万的”,此时million用复数形式,且与of连用。
We plant millions of trees every year.
每年我们种植数百万棵树。
【拓展】 (1)当million前有基数词,表达确数时,无论基数词是什么,million永远都用单数形式。
three million三百万
(2)与million用法相同的单词还有hundred , thousand和billion。
◆die在这里为不及物动词,意为“死,死亡”,其过去式和过去分词都为died,现在分词为dying,形容词为dead/dying,名词为death。
The old man died of cancer yesterday.
The doctors have saved the dying man.
◆as a result of由于,因为,相当于because of,后面接名词或代词。
He was late as a result of the heavy snow.5.If you smoke , you harm yourself , and you’re also harming the people around you with your second-hand smoke.
harm在本句中为及物动词,意为“伤害,损害”。harm oneself意为“伤害某人自己”,与hurt oneself同义。
6.Whenever someone offers you a cigarette , you should always say no.
◆whenever为连词,意为“无论何时,在任何……的时候”,相当于no matter when,引导让步状语从句。
【拓展】 whatever=no matter what无论什么
wherever=no matter where无论哪里
however=no matter how不管怎样
◆offer为及物动词,意为“(主动)提供,给予”,其后可接双宾语,即offer sb. sth.,相当于offer sth. to sb.,意为“向某人提供某物”。
【固定搭配】 offer to do sth.主动提出做某事
7.Don’t take that risk.
risk为名词,意为“危险,风险”。take a risk冒险。take the risk of doing sth.意为“冒险做某事”。
A good pilot never takes a risk.
优秀的飞行员从来不冒险。8.Once you get into the habit of smoking,it’s not easy to give it up.
◆get into the habit of为固定短语,意为“习惯于
……,养成……的习惯”。
I get into the habit of listening to music every night.我养成了每天晚上听音乐的习惯。
◆give up为固定短语,意为“放弃”,若宾语为人称代词,则须放在give与up之间。give up doing sth.意为“放弃做某事”,give up不能接动词不定式作宾语。
He gave up smoking at last.
最终他戒掉了烟。9.Stay away from cigarettes and you can live a long , healthy and happy life.
◆stay away from为固定短语,意为“离开,远离”,与keep away from同义。
Why did you stay away from school?
你为什么没上学?
◆live a…life表示“过……的生活”。
live a happy life过幸福的生活
live a hard life过艰苦的生活Read the text aloud carefully and then complete the information chart in groups.healthdiseasespollutesharmfultouchtopicEncouragevegetablesexercisehabitsPostersMake 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.Read the following sentences and pay attention to the modal verb should. Then give advice for each problem using should.1. I have a very bad toothache!
You should go to see a dentist.2. My new bicycle was stolen.
You should call 110.3. My bedroom is a mess.
You should tidy it up.4. My computer is broken. I can’t work without it.
You should ask someone to fix it.5. I was late for school this morning, and my teacher was angry with me.
You should get up early and never be late again.I.根据汉语意思完成句子
1.由于他的努力,他很容易地通过了考试。
his hard work,he passed the exam easily.
2.吸烟是一个坏习惯,它能引发癌症和心脏病。
Smoking is a bad habit,and it can cause cancer and .
3.我们不应当违反法律。
We shouldn’t be .
4.过马路时我们不能冒险。
We mustn’t when we cross the street.
5.如果你习惯了吸烟,就不容易戒掉。
If you smoking,it’s not easy to give it up. As a result ofheart diseaseagainst the lawtake a riskget into the habit ofPractice II.根据句意及首字母提示补全单词
1.Smoking is h to your health.
2.Smoking can cause d of the heart and lungs.
3.When s talks about smoking,
change the topic.
4.Smoking can not only harm yourself , but also harm the people around you with your s smoke.
5.We often go to the country to b________ fresh air on weekends. armful iseasesomebodyecond-hand reatheHomework
1.Finish off the remaining exercises in the activity book.
2.Read the next reading in the student’s book.
3.Write a poster in your exercise book.
