(共31张PPT)
Words review
factory
pollute
recycle
waste
enemy
crop
n. 制造厂；工厂
v. 污染
v. 回收利用，再使用
(废品)
n. 废料；废弃物
n. 敌人；仇人
n. 庄稼；作物
Words review
kill
oil
less
hopeless
v. 杀死；弄死
n. 石油
adj. 较小的；较少的
n. 较少数；较少量
adj. 无望的
Unit 1
If everyone starts to do something, the world will be saved.
Pollution is anything that makes the earth unhealthy and dirty.
1. What's pollution
2. What types of pollution are
mentioned in the video
factory pollute recycle waste
Work in pairs. 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
Listen and complete the sentences.
1. 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
1
2
3
After a lesson on the environment, Lingling and her classmates are talking about it. Listen and read. Then finish the following tasks.
Pollution problems
What the students can do
Read and outline the basic structure of the passage.
1
Task
Complete the notes.
farmers can't use
them to water their crops
spreads
over cities and villages
use so much oil and cause
pollution
2
Task
recycled or used again
collect waste
sells the waste
in poor areas
ways to save energy and recycle
at home
less waste
1
2
3
4
5
Check your answers.
比如说……？
做某事没有用处
好主意！
我担心……
也；还；而且
考虑
节约能源
Pay attention to the underlined expressions.
1 我担心……
2 也，还，而且
3 做某事没有用处
4 考虑
5 比如
6 节约能源
I'm worried about...
as well
It's no use doing sth.
think of
such as
save energy
Translation.
3
Task
Pollution is our great (1) ________. Pollution from (2) ________ is a danger to our health, and may even (3) _____ people. Factories sometimes (4) ______ the rivers, and the farmers cannot use the water for their crops. Pollution (5) ________ over cities and villages, and that (6) ________ even more danger. Cars use a lot of (7) _______ and cause pollution too.
cause enemy factory kill oil pollute spread
enemy
factories
kill
pollute
spreads
causes
oil
Complete the passage with the
correct form of the words in the box.
4
Task
Lingling
1
Role-play
Tony
Betty
Daming
After our lesson on the ________, I'm ______ ____ the future. _______ is our great enemy, and we have to ____ it. If the rivers are ____, farmers can't use the water for their crops.
And in some places, pollution from ________ spreads over cities and villages. It makes people _____, and may even ____ them. Pollution is a ________ to our health.
And there are so many __ on the roads. They use so much ___ and cause pollution as well.
But we're only students. We can't do ______ about factories and cars.
We'll see which group does the best.
Tony
2
Role-play
Lingling
Betty
Daming
That's a good idea. Though pollution is _____ now, I don't think _____. If everyone _______
_____, the world will be ______.
Do you think we can ____________________
_______ talking about things we can't do. We've got to ________________!
Such as ...
What's a _______
At a green school, every class __ waste which can be _______. Then the school _______ and uses the money to ____ students in poor areas.
Nice idea!
Students at a green school also learn ways to ______ and ______ at home. That means ____.
What we should do - fight it
make a green school
* collect waste which can be recycled or
used again
learn ways to save energy and recycle
at home
Why
A danger to
the
crops
the
health
What
water pollution
air pollution
...
Our great enemy -
pollution
Try to retell the conversation.
1. 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.
Listen and mark the words which
the speaker links.
Now listen again and repeat.
连读的音节一般不重读，只需顺其自然地一带而过，不可以加音，也不可以读的太重。
连读
在同一个意群(即短语或从句)中，如果相邻的两个词中前者以辅音音素结尾，后者以元音音素开头，就要自然地将辅音和元音相拼，构成一个音节，这就是连读。
连读的规则
Read the following sentences and guess where the words can be linked.
辅音+元音
k
i
f
a
n
ho
d
y
t
y
e
a
辅音+半元音
元音+元音
t
t
前一个词的结尾和后一个词的开头相同
Bring your own reusable bags
Cut down your
energy use
Work in pairs. List the pollution
problems 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.
I think we can use less plastic bags and more cloth bags.
The white pollution in our city is getting worse. What can we do to stop it
The water pollution in our city is getting worse. What can we do to stop it
I think we can use less chemical products.
1. What is pollution
2. Can you talk about the pollution problems
discussed by Lingling, Tony, Betty and
Daming What can they do to protect the
environment
3. Can you talk about the pollution problems
in your place and say what should be done
to stop it
注: 另附word文档，点此链接
1. Cats and mice are natural e_______.
2. Coal and o_______ are both non-
renewable resources.
3. Farmers in the north of China usually
plant c_______ in spring.
4. What kind of w_______ should be
thrown in the red garbage bin (垃圾桶)
5. Every year, thousands of elephants are
k_______ because of the ivory (象牙) trade.
I. 根据句意及首字母提示写出正确的单词。
nemies
il
rops
aste
illed
II. 用括号内所给单词的适当形式填空。
1. Tom failed the exam again, but he didn't
feel _________(hope).
2. Another two car _________(factory) will
be set up in our city next year.
3. Most shopping bags provided by clothes
stores can be ________(recycle).
4. The students must finish their English
papers in _______(little) than two hours.
5. The ________(pollute) river gives off
a terrible smell. No one wants to get close
to it.
hopeless
factories
recycled
less
polluted
III. 根据句意用恰当的介词填空。
1. These tools are used _____ repairing a car.
2. I have fully prepared for the test so I'm
not worried _____ it.
3. At that time, I couldn't think _____ a
person who could get me out of trouble.
4. IKEA products, such _____ sofas, beds
and toys, are popular with young people.
5. To prevent the disease from spreading
______ the whole province, many pigs
were buried alive.
for
about
of
as
over
IV. 根据汉语意思完成下列句子（每空一词）。
1. 暴怒的乘客对公众是一种危害。
A mad passenger is _____ _______ _____ the
public.
2. 夸夸其谈而不行动是没有用的。
_____ _____ _____ talking big without taking
any action.
3. 我非常期待再次见你，也期待见你父母。
I look forward very much to seeing you again
and to meeting your parents _____ _____.
4. 如果地球气温继续上升，许多沿海城市将
被淹没。
If the earth's temperature _________ going up,
many coastal cities _____ _____ submerged.
a danger to
It's no use
as well
continues
will be
1. Finish the exercises in Learning
English.
2. Preview How to be green on page 98.
HomeworkI. 根据句意及首字母提示写出正确的单词。
1. Cats and mice are natural e_______.
2. Coal and o_______ are both non-renewable resources.
3. Farmers in the north of China usually plant c_______ in spring.
4. What kind of w_______ should be thrown in the red garbage bin (垃圾
桶)
Every year, thousands of elephants are k_______ because of the ivory
(象牙) trade.
II. 用括号内所给单词的适当形式填空。
1. Tom failed the exam again, but he didn't feel _________(hope).
2. Another two car _________(factory) will be set up in our city next year.
3. Most shopping bags provided by clothes stores can be
________(recycle).
4. The students must finish their English papers in _______(little) than two hours.
5. The ________(pollute) river gives off a terrible smell. No one wants to get close to it.
III. 根据句意用恰当的介词填空。
1. These tools are used _____ repairing a car.
2. I have fully prepared for the test so I'm not worried _____ it.
3. At that time, I couldn't think _____ a person who could get me out of
trouble.
4. IKEA products, such _____ sofas, beds and toys, are popular with young people.
5. To prevent the disease from spreading ______ the whole province,
many pigs were buried alive.
IV. 根据汉语意思完成下列句子（每空一词）。
1. 暴怒的乘客对公众是一种危害。
A mad passenger is _____ _______ _____ the public.
2. 夸夸其谈而不行动是没有用的。
_____ _____ _____ talking big without taking any action.
3. 我非常期待再次见你，也期待见你父母。
I look forward very much to seeing you again and to meeting your
parents _____ _____.
4. 如果地球气温继续上升，许多沿海城市将被淹没。
If the earth's temperature _________ going up, many coastal cities
_____ _____ submerged.
