(共57张PPT)
12
Save our world
Module
Unit 1
If everyone starts to do something, the world will be saved.
Look at the following pictures. What
pollution is it
rubbish pollution
Warm up
air pollution
water pollution
Sea pollution
light pollution
noise pollution
What should we do to save the planet
Turn off the lights when you leave the room.
Turn off the shower while you are washing your hair.
Stop riding in cars.
Take your own bags when shopping.
Stop using paper napkins.
制造厂;工厂 n.
waste
敌人;仇人 n.
crop
庄稼;作物 n.
recycle
回收利用;再使用(废品) v.
pollute
污染 v.
/'en m /
/kr p/
/'f ktr /
New words and expressions
factory
/p 'lu:t/
/ri:'sa kl/
废料,废弃物 n.
/weist/
enemy
kill
杀死;弄死 v.
/k l/
oil
石油 n.
/ l/
less
hopeless
较小的;较少的 adj.
较少数;叫少量 n.
无望的 adj.
/les/
/'h pl s/
factory制造厂;工厂
pollute v.污染
recycle
回收利用;再使用(废品)
pollution n. 污染
The waste can be used.
废弃物也能够被使用。
crop
庄稼;作物
waste废料,废弃物
enemy敌人;仇人
复数:enemies
Don’t make an enemy of him. 不要与他为敌。
oil石油
作“石油”讲时,是不可数名词。
The country is rich in oil and coal.
这个国家石油和煤很丰富。
Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
factory, pollute, recycle, waste
Listening and vocabulary
Air has been polluted because factories produce electricity and energy for human being every day.
A large numbers of metal cans are thrown away everywhere. We waste a great deal of metal
2. Listen and complete the sentences.
1. The factory is causing a lot of___________.
2. There should be some________ to stop
pollution.
3. We can_________ waste products, such as
__________and paper in a recycling centre.
pollution
rules
recycle
glass
Read and answer the questions.
1. Why is Lingling worried about the future
Because of pollution.
2. Who thinks up the idea of making a green
school
Lingling.
3
3. What are the three problems that the
friends talk about and the one solution
The three problems are water pollution, air pollution and many cars on the roads.
One solution is to make their school a green school.
Now complete the notes.
Problems
If the rivers are polluted,_____________
_____________________________.
2. In some places, pollution from factories _________________________________ .
3. The cars on the road__________________
_____________________________ .
use water for their crops
farmers can’t
spreads over cities and villages
cause pollution as well
use so much oil and
What the students can do
4. Support a green school: every class _______________________which can be_______________________. Then the school _______________________________to help students__________________.
5. Students learn________________________
_________________. That means__________.
collects waste or rubbish
recycled or used again
the school sells the waste
in poor areas
ways to save energy and
recycle at home
less waste
4. Complete the passage with the correct form
of the words in the box.
cause, enemy, factory, kill, oil, pollute, spread
Pollution is our great (1)________. Pollution from (2)____________is a danger to our health, and may even (3)____people. Factories sometimes(4)________ rivers, and farmers cannot use the water for their crops. Pollution
(5)________ over cities and villages, and that (6)______ even more danger. Cars in the street use a lot of (7)_____and cause pollution too.
enemy
factories
kill
pollute
spread
causes
oil
3. Listen and read.
Lingling: After our lesson on the environment,
I’m worried about the future. Pollution is
our great enemy, and we have to fight it. If the
rivers are polluted, farmers can’t use water for their crops.
Tony: And in some places, pollution from
factories spreads over cities and villages. It
makes people ill, and may even kills them.
Pollution is a danger to our health.
Betty: And there’re so many cars on the road.
be worried about 担心
if 引导的条件状语从句,从句用一般现在时,
主句用一般将来时或情态动词+动词原形。
have to 不得不
factory 的复数 factories
spread over 遍布在..., 复盖在...
a danger to 对…的危险,对…是一种威胁
so many 用来修饰可数名词,so much 则用来修饰
不可数名词。
They use so much oil and cause pollution as
well.
Daming: But we are only students. We can’t do
anything about factories and cars.
Betty: It’s no use talking about things we can’t
do. We’ve got to think of things we can do!
Daming: Such as…
Lingling: Do you think we can make our school
a green school
Daming: What’s a green school
Lingling: At a green school, every class collects
as well 也
It's no use doing sth. 做....事没有用
waste or rubbish which can be recycled or
used again. Then the school sells the waste
and uses the money to help students in
poor areas.
Daming: Nice idea!
Betty: Students at a green school also learn
ways to save energy and recycle at home. That
means less waste.
Tony: That’s a good idea. Though pollution is
heavy now, I don’t think it’s hopeless. If
everyone starts to do something, the world will
be saved.
in poor areas 在贫困地区
学会节约能源的方法
less 较小的;较少的。是little的比较级, 修饰不可数名词
hopeless 是hopeful 的反义词,意为“无望的”。
starts to do sth. 开始做某事
waste在这里是做名词,意思是“废料;废弃物”
Language points
1. And in some places, pollution from
factories spreads over cities and villages.在一些地方, 来自工厂的污染遍布城市和村庄。
spreads over遍布在..., 复盖在...
What he studied spread over many fields.
他所研究的内容涉及许多领域。
2. Pollution is a danger to our health.
污染有害我们的健康。
a danger to…“对…是一种威胁;有伤害”,
相当于be dangerous to
It is a danger to your computer's health.
=It is dangerous to your computer's health.
这对你电脑的健康是个威胁。
3. And there’re so many cars in the street.
They use so much oil…
街道上有很多车,他们使用很多石油…
so many很多
You can’t crush so many people into the classroom.你不能让这么多人挤进教室。
so much很多
辨析:so many与so much
so many 用来修饰可数名词, so much 用来修饰不可数名词。
There was so much noise outside that we
couldn’t hear the teacher.
外面嘈杂声很大, 以致我们不能听到老师的话。
He feels nervous when her faces so many people.
面对那么多人, 他感到紧张。
4. as well 也;又
(1). 相当于too或also, 常位于句末,无须用逗号与句子隔开。
拓展:
5. Such as …?例如……
such as 表示举例,意为“例如,诸如
此类的,像……那样的”,相当于like
或 for example。
Animals such as rabbits and deer continue to
be active all winter.
像兔和鹿这样的动物整个冬天都很活跃。
There are few poets such as Keats and Shelly. 像济慈和雪莱这样的诗人现在很少了。
6. That means less waste.
(1). less 较小的,较少的; 较少数,较小量
1). less 是 little(小;少)的比较级。
He spends less time (in) doing experiments.
他做实验花的时间较少。
2). “less+形容词或副词”构成比较, 译为“较不,更不”。
It is less cold than it was yesterday.
天气不如昨天冷。
7. …, I don’t think it’s hopeless.
这句话的双重否定。这种句子形式上虽为否定,实则表示强烈的肯定语气。
It is impossible not to do the work.
不做这件工作是不可能的。
I don't think that she will fail to come.
我想她应该会来的。
hopeless adj. 无望的;无可救药的
它的反义词hopeful adj. 有希望的
It is said that their position is hopeless.
据说, 他们的处境没有希望。
They feel hopeless about their future.
他们感到前途无望。
She must think him hopeless.
她一定认为他没出息。
-less是最常见的含否定意义的英语后缀之一,它附在名词或动词之后主要构成形容词,有时也构成副词。
homeless 无家可归的
helpless 无助的
useless 没用的
nameless 莫名的
voiceless 无声的
endless 无尽的
colorless 暗淡的
知识链接
The line of cars in the street was endless. It seemed to be _______ to walk across the street.
A. hopeful B. hopeless
C. helpful D. helpless
(2011四川乐山) He failed his job interview again, and he felt really ________ ( with no hope) about the future.
B
hopeless
8. It’s no use talking about things we can’t do.
It’s no use doing sth.是固定句型,意思是“做某事没用 / 只是白费力气” 。在这个句型中,动词-ing形式是主语,it 是形式主语。
It is no use crying over spilt milk.
覆水难收。(谚语)
It is no use talking without doing.
光说不做是没有用的。
Eugene's never willing to change any of his
opinions. It's no use ______ with him.
A. to argue B. arguing
C. argued D. having argued
B
这种动词-ing作主语、it 作形式主语的句型还有:
It is no good doing sth.
做某事不好 / 没用 / 不行
It’s a waste of time / money doing sth.
做某事是白费时间 / 金钱
It’s fun doing sth.
做某事很有趣
知识链接
It is no good________(talk) to him because he never listens.
跟他讲没用,因为他从来不听。
It’s a waste of time______(try) to talk to her when she’s in this mood.
在她目前的心情下,找她谈是白费时间。
It’s great fun________(fun) golf.
打高尔夫球很有意思。
talking
trying
playing
1. at a green school
在环保学校
2. collect waste
收集废品
3. sell the waste
卖废弃物
4. in poor areas
在贫穷地区
5. learn ways to
学习…的方法
Important Phrases
6. Save money and recycle
节约钱并回收
7. start to do something
开始做些某事
Everyday English
It’s no use…
Such as…
Nice idea!
5. Listen and mark the words which the
speaker links.
After our lesson on the environment, I’m
worried about the future.
2. Students at a green school also learn ways to save energy and recycle at home.
Now listen again and repeat.
Pronunciation and speaking
6. Work in pairs. List the pollution in your place.
Choose one problem and say what should be done
about it.
The air pollution in our
city is getting worse. What can we do to stop it
- I think we can ride our bicycles to school more .
—The water are polluted, farmers can’t use them to water their crops .We should stop the factories from polluting the river.
— I agree. And we should stop them
from polluting the air as well.
Sample
Exercises
一. 根据句意及首字母提示完成单词。
1. Don’t w_____ water. Please turn off the cock
after you wash your hand.
2. I get a job in a f_________.
3. The soldier pointed his gun at the e______,
saying"Hands up".
4. Air p_______ is quite harmful to our health.
5. The students from a green school are
helping collect waste paper and bottles for
r_______.
aste
actory
nemy
ollution
ecycling
6.Loud noise may c_____ hearing problem for a short
time or even forever.
7.Shanghai is the biggest center of ________(工业)
in China.
8.People are paying more and more attention to _____
(杀害)animals these days.
9.ED tries to save his _____ (庄稼)。
ause
industry
killing
crop
pay attention to doing sth.
注意某件事,对某事加以关注
二. 用所给单词的适当形式填空。
We should give up those __________(waste) habit in order to save our world.
2. Some factories________ (cause) pollution.
3. It's impossible for you_______(get) there in
two ours.
4. Most students on our school often collect
________(reuse) waste for recycling.
5. If we don’t look after our earth well, the future will be _________.(hope)
wasteful
cause
to get
reusable
hopeless
It's impossible for sb. to do sth.对某人来说做某事
是不可能的。
二.Choose the best answer.
1. You may use it___ a house.
A.to build B.build C.building D.built
2.I'm proud to be able to help ____ people.
A.too much B.so much C.so many D. such many
3.It's no use___ about it.
A.talk B.to talk C.talking D.talked
4.The Great Wall was built in Qin Dynasty to ____
the enemies____ getting in.
A.stop; out B.prevent;to
C.stop; from D.prevent; out
A
C
C
C
use sth. to do sth. 用某物做某事
stop...from...阻止某事发生
5.---I can't stop smoking, doctor.
--- For your health, I'm afraid you____.
A.must B.have to C.will D.can
6.The future is____if every one of us doesn't protect
the environment.
A.hope B.hopeful C.hopeless D.hoping
7.He is writing a report ___ American history.
A.with B.on C.to D.at
8.It's better_____ the waste instead of throwing it
away.
A.to recycle B. to put
C.to divide D.to reduce
B
C
B
A
It's better to do sth. 最好做某事。
on 关于.....
三. 根据汉语意思完成英语句子。
1. 每个人都应该开始关心自己的健康。
Everyone should ______ ____ be careful about
his health.
2. 来自该市的很多人都决心节约用水。
______ _______ people from the city made up their mind to save water.
start
to
So
many
Mike likes drinks_____ ______ milk tea and cola.
4. 我们应该谈谈我们能做什么。
3. 迈克喜欢奶茶和可乐之类的饮料。
We should ____ _____ what we can do.
such
as
talk
about
Homework
Finish the exercises in the workbook.