(共31张PPT)
pollution
save our world
Module12 Save our world
Unit1 If everyone starts to do something, the
world will be saved.
The longest distance in the world is that although I stand in front of you, you don’t know who I am.
Find me in the photo.
What’s the weather like
It’s smoggy.
What caused smog
Pollution.
What kinds of pollution do you know
What is pollution
Pollution is anything that makes the earth __________ and __________.
unhealthy
dirty
Air pollution happens when the air
gets_____. We can’t _______ properly
in dirty air.
dirty
breathe
Air pollution
What causes air pollution
Smoke from ________, industrial chemicals,wild fires.
cars
Volcanoes /v l ke n z/ make ______ dirty.
air
Smoke from _____________ fossil fuels.
burning
A large number of _____________ release
smog and dangerous gases.
factories
Effects of air pollution
cause global _________
warming
force glacier to melt
cause sea level to _____
rise
cause _______ to change
climate
lead to health problems
like cough, asthma / zm / , and cancer.
factory pollute recycle waste
Look at the pictures and talk about them. Use the words in the box to help you.
smoke, air pollution
a factory
water pollution
waste paper and glass
a recycling centre
A2. Listen and complete the sentences.
The factory is causing a lot of _____________.
2. There should be some ________ to stop the pollution.
3. We can _______ waste products, such as__________
and paper in a recycling centre.
pollution
rules
recycle
glass
Lingling, Tony, Betty and Daming
are sitting around a table and talking about pollution.
Listen and answer the questions.
If the _____ are polluted, farmers can’t use the water for their crops.
A. rivers B. land C. environment D. mountains
2. At a green school, every class will collects ______ which can be recycled.
A. waste B. bottles C. water D. cloth
3. Students also learn ways to save _____ and recycle at home.
A. water B. energy C. money D. electricity
1.What is the great enemy in the future
______________________________
2.What will pollution from factories do
It makes people _____,and may even _____ them.
3.What’s a green school
Every class collects _______ which can be __________ or used again .
Then the school sells the waste and uses the money to help students in poor areas. Students also learn ways to save _______and recycle at home.
Pollution.
ill
kill
waste
recycled
energy
(2)Watch the flash and answer the questions.
po Pollution problems If the rivers ____________, farmers can't use the water for their __________.
Pollution _______ over cities and villages, which makes people and may even ______ them.
Many cars use _________ and cause pollution.
What the students can do Collect waste which can be ________ or __________.
______ the waste to help students in poor areas.
Save energy and recycle. That means __________.
Pollution is heavy ,but not hopeless. If everyone starts to do something, the world will be saved. Pollution is our great enemy.
Read and complete the table.
are polluted
crops
spreads
kill
so much oil
recycled
used again
Waste
less waste
Step3. Listen and choose.
1.Because of enviromental pollution, we_______.
A. are pleased with our future
B. have to fight it
C. can use polluted water for crops
2.Pollution is a danger to our health and is our enemy, because_____.
A. Pollution from factories which spread over cities and villages makes people ill and even kills them.
B. There are so many cars on the roads which uses much oil and cause pollution as well.
C.The rivers are polluted and can’t be used for crops by farmers.
3.What can we do with pollution according to listening
A. We can only talk about it.
B. We can’t do anything about it .
C.It’s no use talking about things we can’t do, and we must think of things we can do.
4. What’s a green school
A.Every class collects waste which can be recycled and reused.
B.The school buys the waste and pays the money to help the poor student.
C.Students learns ways to save energy and recycle at home.
5.Though _________is heavy now, I don’t think it’s _________. If everyone starts to_____ ________, the world will _____ _______.
Thinking
What else can we do to save our world
Task6 Discuss in groups
Work in groups of four
Dear students! In order to make our school a green school,what can we do Let’s welcome my classmates to give us some suggestions.
A: In order to make our school a green school,…
B: In order to make our school a green school, …
C: In order to make our school a green school ,…
D: In order to make our school a green school ,…
Ways to save energy and recycle at school
Walk or ride a bike to school.
Turn off the lights when you leave the room.
Turn off the tap when you don’t need water.
Finish the food in the dish.
Divide the waste into things to recycle.
Don’t throw away rubbish everywhere.
Don’t buy drinks in bottles. Reuse the bottles when they are empty. Make them into toys.
Reduce the waste you make.
Use both sides of the paper. …
Expressions
导致了很多问题
在回收场
关于环保的课
担心
被污染
来自工厂的污染
遍布城市乡村
cause a lot of problems
in a recycling center
lessons on the environment
be worried about
be polluted
pollution from factories
spread over cities and villages
很多石油
做…是没有用的
导致污染
收集废物
在贫穷的地区
保护能源的方式
被拯救
so much oil
It’s no use doing sth.
cause pollution
collect waste
in poor area
ways to save energy
be saved
Sentences
We can recycle waste products, such as glass and paper
in a recycling centre.
waste n. 浪费；废弃物 v. 浪费
a waste of time 浪费时间
Don’t waste time. 不要浪费时间。
There is a lot of ______in front of the school. (废物）
waste
用waste 的正确形式填空。
It’s not right to ________ electricity and water.
(浪费）
Every day a lot of water _________.( 浪费）
She collects _______(废品）to make money.
waste
is wasted
waste
2. If the rivers are polluted, farmers can’t use the water
for their crops.
pollute v. 污染 pollution n. 污染
The factory _________ （污染） the air and the water.
The air and the water ____________ by the factory.（污染）
The government asked to reduce the ___________. (污染)
pollutes
pollution
are polluted
3. It’s no use talking about things we can’t do.
It’s no use doing sth. 做某事没有用处
It’s useless to do sth. 做某事没有用处
There is no point doing sth 做某事没意义
It’s no use ___________. (complain)
It’s useless to ________(regret)
There is no point ___________(apologize)
complaining
regret
apologizing
4. Though pollution is heavy now, I don’t think
it’s hopeless.
hopeless adj. 无望的
v./n.+-less 构成形容词，表示“没有…的”
careless/useless/helpless/speechless/cashless
/endless/childless/loveless…
5. They use so much oil and cause pollution as well.
cause v. 引起，造成
cause sth = lead to sth 导致
cause sb/sth to do sth 引起某人/物做某事
大气污染造成海平面上升。
Air pollution causes the sea level to rise.
水污染让人们不能引用干净的水。
Water pollution causes people not to drink clean
water.
6. …, every class collects waste which can be
recycled or used again.
recycle v. 循环利用
All glass bottles can ___________.(回收利用）
We _________ nearly 80% of our paper.
(回收利用)
be recycled
recycle
Complete the passage.
cause enemy factory
kill oil pollute spread
Pollution is our great ________. Pollution from ________ is a danger to our health, and may even _____ people. Factories sometimes ________ the rivers, and farmers cannot use the water for their crops. Pollution _________ over cities and villages, and that _________ even more danger. Cars use a lot of _____ and cause pollution too.
enemy
factories
kill
pollute
spreads
causes
oil
Summary
Draw a mind map according to this dialogue.
Pollution problems
Save our world
air pollution
water pollution
too many cars
collect and sell the waste
help students in poor area
recycle the paper…
