(共38张PPT)
M12
Save our world
If everyone starts to do something, the world will be saved.
Unit 1
Compared with the last few years, the environment is getting worse.
We can see a very dirty river. There is lots of rubbish. The fish died because of the water pollution.
What can you see
We can see that rubbish is being burnt. The smoke goes into the air. It causes air pollution.
What can you see
We can see some waste paper. It can be recycled, so it is wasteful to throw it away.
What can you see
factory
pollute
recycle
waste
Work in pairs. Look at the pictures and talk about them.
P96
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
Why do we recycle waste products
To save energy.
Listen and answer
1.What can cause the pollution according to the dialogue？
2.Do they think it is hopeless
Factories and cars.
No, they don't.
Though pollution is very heavy now,
I don't think it is hopeless.
3.What can we students do to solve the
pollution problem in the dialogue
Make the school a green school.
however, it is no use talking about things we can't do.
P96
Read and complete the notes.
Pollution problems
If the rivers are polluted, ____________
____________________________.
2. In some places, pollution from factories __________________________________.
3. The cars on the roads _______________
__________________________________.
farmers can’t use them to water their crops
spreads over cities and villages
use so much oil and cause pollution
P96
Read and complete the notes.
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 __________.
recycled or used again
sells the waste
in poor areas
ways to save energy and recycle at home
less waste
collect waste
What can you do to save energy
we can/should...
Pollution is our great enemy.
Why
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
P97
Complete the passage with the correct form of the words in the box.
air pollution
water ollution
noise pollution
white pollution
A:The air/... pollution in our city is getting worse. What can we do to stop it
B: I think we can...
C: In my ipinion,...
D: ...
Work in groups. Choose one problem and say
what should be done about it
If everyone starts to do something, the world will be saved.
1. Preview the new words and expressions in Unit 2.
2. Discuss with your parents and find out more ways to protect the environment. Then write them down.
Homework
Quiz
注: word 文档
点击此处链接
Ⅰ. 用方框中合适词的正确形式填空。
pollution waste environment energy hopeless
1. People are paying more and more attention to saving ______ these days.
2. There are many different sources (根源) of noise ________.
energy
pollution
3. If we don’t work hard, our future will be
_________.
4. I think ____________ education is important.
5. We mustn’t __________ a drop of
water or a grain of rice.
pollution waste environment energy hopeless
hopeless
environmental
waste
Ⅱ. 根据句意及提示翻译下列句子。
1. 跟他讲没用，因为他从来不听。(It is no use doing)
___________________________________
________________________________
2. 像巧克力之类的甜食能使人发胖。(such as)
___________________________________
________________________________
3. 我对她明天要来抱着希望。(hopeful)
___________________________________
_________________________________
It is no use talking to him, because he never listens.
I am hopeful that she will come tomorrow.
Sweet foods such as chocolate can make people fat.
1. It’s no use talking about things we can’t do.
谈论我们不能做的事情是没有用的。
It’s no use doing sth.这个句型表示“做某事没有用处”。
抱怨没有用。
It’s no use complaining.
听着，乔治，活在过去是没有用的。
Listen, George, it’s no use living in the past.
2. Such as…
比如说……？
such as这个短语常用来表示举例说明。例如：
— There are lots of things you could do.
— Such as…
— 有很多你们能做的事。
— 比如说……？
English is spoken in many countries, such as Australia and Canada.
许多国家都讲英语，例如澳大利亚和加拿大。
3. At a green school, every class collects waste which can be recycled or used again.
在绿色学校里，每个班都收集可循环再生或再利用的废物。
waste作名词，意为“废弃物”、“浪费”，常用于it’s a waste of time / money / … to do sth.或it’s a waste of time / money / … doing sth.结构中。例如：
It’s a waste of time to wait/waiting any longer.
再等下去是白费时间。
waste还可作动词，意为“浪费”，常用于下列结构中：waste sth on (doing) sth.“在某事上浪费”或waste time (in) doing sth.“浪费时间做某事”，in可省略。
不要浪费时间玩电脑游戏。
____________________________________
Don’t waste time on (playing)computer games. /
Don’t waste time (in) playing computer games.
英语连读的规则：
1. “辅音+元音”型
2. “辅音+半元音”型
3. “元音+元音”型
注意：若前一个词的结尾和后一个词
的开头相同，这两个词要连
读。
5
P97
Listen and mark the words which the speaker links.
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.
Now listen again and repeat.
Talk
6
P97
Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
I think we can ride our bicycles to school more.
The air pollution in our city is getting worse. What can we do to stop it
I think we can use fewer 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.
The noise pollution in our city is getting worse. What can we do to stop it
I think we can take public transportations or ride a bike when we need to go out.
Quiz
注: word 文档
点击此处链接
Ⅰ. 用方框中合适词的正确形式填空。
pollution waste environment energy hopeless
1. People are paying more and more attention to saving ______ these days.
2. There are many different sources (根源) of noise ________.
energy
pollution
3. If we don’t work hard, our future will be
_________.
4. I think ____________ education is important.
5. We mustn’t __________ a drop of
water or a grain of rice.
pollution waste environment energy hopeless
hopeless
environmental
waste
Ⅱ. 根据句意及提示翻译下列句子。
1. 跟他讲没用，因为他从来不听。(It is no use doing)
___________________________________
________________________________
2. 像巧克力之类的甜食能使人发胖。(such as)
___________________________________
________________________________
3. 我对她明天要来抱着希望。(hopeful)
___________________________________
_________________________________
It is no use talking to him, because he never listens.
I am hopeful that she will come tomorrow.
Sweet foods such as chocolate can make people fat.
本课时主要短语和句型
总结回顾
1. such as
2. spread over cities and villages
3. It’s no use talking about things we can’t do.
4. The air pollution in our city is getting worse. What can we do to stop it
5. If everyone starts to do something, the world will be saved.
Now 2 mins to test your spelling.
1. English-Chinese
enemy hopeless oil recycle factory crop less waste
2. Chinese-English
杀死；弄死 污染 回收利用
When finished, exchange your papers to see who does the best.
1. Preview the new words and expressions in Unit 2.
2. Discuss with your parents and find out more ways to protect the environment. Then write them down.
Homework
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
1. To listen and understand the conversation about how to protect the environment
2.To learn some key words and useful expressions
3.To talk about environmental protection
4. To learn some rules of word building
Objectives:
Words:
factory pollute waste enemy crop kill oil less
Phrases:
be danger to…
Patterns:
It’s no use…
If everyone starts to do something, the world will be saved.
Farmers can’t use the water for their crops.
接龙
幻灯片上单词或短语出现时，同学应迅速读出并说出中文意思。
每人一词，按行/列依次接龙，3秒内说不出，此行/列同学即失去此答题机会，下一行/列同学接续。
