资源简介

(共24张PPT)
Module 12 Save our world
Unit 1 If everyone starts to do something, the world will be saved.
What can we see from the pictures
1. Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
listening and vocabulary
factory　pollute　recycle　waste
Language Goal
1. 能熟悉并能正确运用本课时的重点单词和短语
2. 能听懂有关环保的日常对话并获取细节信息
3. 能用英语谈论环境污染问题及环保措施
Listening and vocabulary
factory n.
制造厂; 工厂
pollute v. 污染
recycle v.
回收利用, 再使用(废品)
waste n.
废料; 废弃物
enemy n.
敌人; 仇人
crop n. 庄稼; 作物
kill v.
杀死; 弄死
oil n. 石油
1. Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
factory, pollute, recycle, waste
Air has been polluted because factories produce electricity and energy for human beings every day.
A large number of metal cans are thrown away everywhere. We waste a great deal of metal
Listen again and complete the notes.
Pollution problems
1. If the rivers are polluted, ____________________________________.
2. In some places, pollution from factories ___________________________.
3. The cars on the roads ___________________________________.
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 ___________.
farmers can’t use them to water their crops
spreads over cities and villages
use so much oil and cause pollution
collects waste
recycled or used again
sells the waste
in poor areas
ways to save energy and recycle at home
less waste
Retell the conversation.
Post-listening
It’s no use …
Such as …
Nice idea!
Read and find them in the conversation.
Now make dialogues with them.
Everyday English
1. A: I want to be a scientist when I grow up.
B: Then you need to work hard now. It’s no use talking without doing.
Examples
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 and uses the money
in poor areas
ways to save energy and recycle at home
less waste
担心
在一些地方
扩展，延伸
做某事是没用的
例如
收集垃圾
贫困地区
开始做某事
be worried about
in some places
spread over
it's no use doing something
such as
collect waste
poor areas
start to do something
Practice
Find the phrases in the dialogue and remember them.
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。
连读规则
1. “/r/ +元音”型：相邻两个单词，前一个单词以r或re结尾，后一个单词以元音音素开头。如：
far away there are for ever
2. 相邻两个单词，第一个单词以辅音音素结尾，后一个单词以辅音音素开头，连读时，前一个辅音音素通常不发音。例如：
old dog red coat big cat
思 考
新课讲解
6
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 .
新课讲解
Sample
—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.
1. We can recycle waste products, such as glass and paper in a recycling centre.
我们可以回收再利用废品, 比如回收中心的玻璃和纸
waste n. 浪费；滥用；废料; 废弃物
v. 浪费; 滥用
e.g. Being out of work is such a waste of your ability .
不上班是对你能力的浪费。
You shouldn’t waste your time playing video games!
你不应该浪费时间打游戏！
Language points
2. If the rivers are polluted, farmers can’t use the water for their crops. 如果河流受到污染，农民就不能用河水去浇灌庄稼。
pollute v. 污染
pollution n. 污染；污染物
e.g. We should not pollute our rivers with waste.
我们不应让废弃物污染我们的河川。
People are becoming increasingly worried about pollution.
人们对污染越来越感到忧虑。
6. That means less waste. 这意味着更少的浪费。
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。
(3) less 作名词时， 表示“较小量，较少量”
There is less to do in this job than the last.
这份工作没有上份工作量大。
(4) less 作介词时， 译为“减去”
Five less two leaves three. 五减去二余三。
The time cycle is a year less three days.
(时间)周期是差三天一年。
What can we do to save the world
Group Discussion
We can save the world by recycling waste.
We can reduce air pollution by riding bicycles.
We can save water by taking shorter shower.
We can save energy by turning off the lights when we leave a room.

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