外研版九年级上册 Unit 1 If everyone starts to do something, the world will be saved.课件(共22张PPT) 2023-2024学年外

(共22张PPT)
Module12 Save our world
Unit1 If everyone starts to do something,
the world will be saved.
Because it is polluted.
Pollution is our enemy.
[p lu t]
It’s our earth.
[p lu n]
[ en mi]
What is it
It is crying.Why
What kind of pollution do you know
air pollution
water pollution
white pollution
noise pollution
rubbish pollution
light pollution
--What kind of pollution do you know
--What causes air pollution
Factories produce the waste gas（废气）every day.
Cars use so much oil and cause pollution as well.
[ f ktri]工厂
[we st]
[ l]石油
--What can we do to stop it
--I think we can/cannot...
The air pollution in our city is getting worse.
plant more trees
walk or ride a bike to school
--What causes water pollution
Factories produce the waste water（废水）every day.
--What can we do to stop it
--I think we can/cannot...
The water pollution in our city is getting worse.
waste water
not throw litters into the water
--What danger can water pollution bring to us
If the rivers are polluted,
farmers can’t use the water for their crops.
It makes people ill, and may even kill they.
--What else can we do to stop it
--I think we can/cannot...
not burn plastic
build a green school
save energy and
recycle wastes
[ pl st k]塑料
--What can we do to stop pollution
--I think we can/cannot...
not burn plastic
build a green school
save energy and recycle wastes
[ pl st k]塑料
plant more trees
walk or ride a bike to school
waste water
not throw litters into the water
factory
pollute
recycle
waste
v. 污染
n. 制造厂；
工厂
v. 回收利用，再使用
n. 废料；废弃物
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
1. According to the conversation, what is our great enemy
A. Waste B. Pollution C. Illness
2. What are they mainly talking about
A. Polluted rivers and factories, and pollution
on the road.
B. Heavy pollution and there is nothing we can do.
C. Pollution problems and what we can do to fight it.
Listen the conversation and answer the questions.
Pollution problems
Now complete the notes.
1 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
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
recycled or used again
sells the waste
in poor areas
ways to save energy and recycle
at home
less waste
Complete the passage with the correct form of the words in the box.
4
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) _________ the rivers, and 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.
enemy
factories
kill
pollute
spreads
causes
oil
2.pollute (v)污染
pollution(n)污染
The plastic will pollute the environment.
3.a danger to…“对…是一种威胁；有伤害”
=be dangerous to
这对你电脑的健康是个威胁。
It is a danger to your computer's health.
=It is dangerous to your computer's health.
塑料会造成污染。
1.enemy（n） 敌人
[pl] enemies
4.（n）石油（不可数）
5.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
光说不做是没有用的。
It’s no use talking without doing.
6.waste
(n)废弃物；浪费
(n)浪费
你不应该浪费钱。
You should’t waste
money.
7.节约能源
8.less adj. 较小的; 较少的
n. 较少数; 较少量
less是little 的比较级,修饰
不可数名词。
少吃垃圾食品对身体好。
Eating less junk food is good for health.
9.hopeless adj. 无望的；无可救药的
-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。
home-homeless无家可归的
help-helpless无助的
use-useless 没用的
Summary
Draw a mind map according to this dialogue.
Pollution problems
Save our world
air pollution
water pollution
collect and sell the waste
help students in poor area
recycle the paper…