(共28张PPT)
Module 12 Save the world
Unit 1 If everyone starts to do something,
the world will be saved.
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Module 12 Unit 1
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Pollution is our great enemy, and we have to fight it.
What kind of pollution do you know
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air pollution
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water pollution
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noise pollution
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1.在语境中理解并认读下列词汇：factory, pollute, recycle, waste, enemy, crop, kill, oil, less, hopeless
2.通过听和阅读对话，听辨三个污染问题和两项解决措施并说出大意、记录关键信息、细节信息。
3.通过讨论环境污染，提出更多的保护环境的建议，增强环境保护意识。
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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
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2. 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.
3. Listen and read.
pollution
rules
recycle
glass
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Read the dialogue and complete the notes.
Pollution problems
If the rivers are polluted, ___________
_______________________________.
2. In some places, pollution from factories ____________________________.
farmers can’t use them to water their crops
spreads over cities and villages
3. The cars on the roads _______________
__________________________.
use so much oil and cause pollution
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What the students can do
4. Support a green school: every class
_____________ which can be ________
_____________. Then the school
_________________ to help students
________________.
collects waste recycled or used again
sells the waste
in poor areas
5. Students learn ________________
__________________. That means
___________.
ways to save energy
and recycle at home
less waste
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4. Complete the passage with the correct form of the words in the box.
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
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5. Listen and mark the words which the speaker links.
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 again and repeat.
Pronunciation and speaking
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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.
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Everyday English
It’s no use …
Such as …
Nice idea!
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1. After our lesson on the environment, I’m worried about the future.
上完有关环境的课后，我对未来感到担心。
worried作形容词，意为“担心的，焦虑的”。be worried about（强调状态）意为“担心”，同义短语为worry about（强调动作）。例如：
They worry about the bad weather. = They are worried about the bad weather. 他们担心坏天气。
Language points
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1. —Every time the exam is over, I will ________ the results.
—Take it easy! Grades are not our whole life.
A．be proud of B．be good at C．be worried about
C解析：句意：——每次考试结束，我都会担心结果。——不要紧张！成绩不是我们生活的全部。be proud of以……为傲；be good at擅长……；be worried about担心……。根据“Take it easy! Grades are not our whole life”可知，安慰对方不要担心成绩，故选C。
2. When something worries Suzy, she always goes to her teacher. (改同义句)
When Suzy about something, she always goes to her teacher.
is worried
3.别为你的弟弟担心，我会照顾好他的。
Don’t your little brother. I’ll look after him well.
worry about
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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作及物动词，意为“污染”。其名词为pollution，意为“污染”;其形容词为polluted,意为“被污染的”。例如：
Please don’t pollute the water.
请不要污染水。
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1. Now ______ is very serious. Some rivers and lakes are ______.
A．pollution；pollute B．polluted；pollution
C．pollution；polluted D．pollute；polluted
C解析：句意：现在污染严重。一些河流、湖泊都被污染了。pollute污染，动词；pollution污染，名词；polluted被污染，pollute的过去分词。第一空在句中担当的成分是主语，故用名词形式；第二句是一般现在时态的被动语态，其构成为am/is/are+过去分词，are后面要跟过去分词polluted。故选C。
2. （2024·甘肃武威·二模）The air (pollute) badly because there are more cars on the road these days.
3. (pollute) water is a great danger to people’s health.
is polluted
Polluted
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3. It’s no use talking about things we can’t do.
谈论我们不能做的事是没有意义的。
It’s no use doing sth. 做某事没有用处，其中it是形式主语真正的主语是后面的动名词短语。
It’s no use complaining.
抱怨没有用处。
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1. It’s no use (say) without doing. You should think of ways to work it out.
saying
2. 戴着简单的帽子来避开苍蝇是没有用的。（It is no use... ）
It’s no use wearing simple hats to keep the flies away.
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4. At a green school, every class collects waste which can be recycled or used again.
在一个环保的学校，每个班级都收集可回收利用或再次使用的废弃物。
waste作名词，意为“废弃物；浪费”，常用于“It’s a waste of time/money/... to do sth”，意为“做某事是浪费时间/金钱/……的”。
It’s a waste of time to wait any longer.
再等下去是白费时间。
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waste作动词，意为“浪费；滥用”。常用于“waste time（in） doing sth”，意为“浪费时间做某事”。或用于“waste time/money on sth”，意为“在某事上浪费时间/金钱”。
Don’t waste time（in）playing computer games.
不要浪费时间玩电脑游戏。
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1.（2024·菏泽·一模）—Too much water _____ in our daily life.
—Yes. We must do something to save it.
A．waste B．is wasted C．will be wasted
B解析：句意：——在我们的日常生活中浪费了太多的水。——是的。我们必须做点什么来拯救它。主语Too much water和谓语waste之间是被动关系，根据语境可知，此处描述现在的情况，用一般现在时的被动语态am/is/are done。故选B。
2. Don’t ________ your time. You can’t get it back any more.
A．waste B．wasteful C．wastefully D．wasting
A句意：不要浪费你的时间。你不能把浪费的时间找回。waste浪费，动词；wasteful浪费的，形容词；wastefully浪费地，副词；wasting浪费的，形容词。因为空前面有don’t，因此后面用动词原形的形式，故选A。
3. 他认为做家务是浪费时间。
He thinks housework is a time.
waste of
4. a, it, waste, online, games, time, of, playing, is, (连词成句)
.
5. Lots of young people waste time (chat) online with strangers.
It is a waste of time playing online games
chatting
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5. That means less waste. 那意味着减少浪费。
(1) less可作形容词、副词，意为“较少的（地）；较小的（地）”，是little的比较级。常用于less than，意为“少于”。
There are less than 10 customers in the restaurant.
这家饭店的顾客不到10人。
(2) -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构成形容词。
homeless 无家可归的 helpless 无助的 useless 没用的 endless 无尽的 meaningless无意义的
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1. We are all busy so we have ________ time to get together than before.
A．much B．more C．little D．less
D解析：句意：我们都很忙，所以跟以前相比我们没有时间在一起。much修饰比较级；more更多；little几乎没有，原级；less更少，修饰不可数名词。根据“than before”可知，此处需要比较级；结合“We are all busy”可知，此处是指“几乎没有时间”，故选D。
B解析：句意：在“无家可归”、“粗心大意”和“无用”这些词中，“-less”的意思是“没有”。full of充满；without没有；very much非常。在“homeless”、“careless”和“useless”这些词中，“-less”的意思是“没有”。故选B。
2. （2024·海南海口·一模）In the words “homeless”, “careless” and “useless”, “-less” means “________”.
A．full of B．without C．very much
3.（2024·西藏拉萨·一模）We will use (little) water because there’s not enough water for us.
less
课 堂 小 结
Module 12 Unit 1
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