Module 12 Save our world Unit 1 If everyone starts to do something, the world will be saved.第二课时知识点讲

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Module 12 Save our world
Unit 1
If everyone starts to do something, the world will be saved.
Expressions
用水浇庄稼
让人们生病
关于环保的课
来自工厂的污染
遍布城市乡村
很多石油
做…是没有用的
……的威胁
在贫穷的地区
保护能源的方式
use the water for their crops
make people ill
lessons on the environment
pollution from factories
spread over cities and villages
so much oil
It’s no use doing sth.
a danger to
in poor area
ways to save energy
Lingling: After our lesson on the environment, I’m worried about the future. Pollution is our great enemy, and we have to fight it. If the rivers are polluted, farmers can’t use the water for their crops.
(1) be worried about 担心...
= worry about
(2)pollute v. 污染；弄脏
pollution n.
polluted adj.受污染的；被弄脏的
Eg: 空气污染是个严重的问题。
Air pollution _____(be) a serious problem.
(3) crop cn. 农作物
【Exercise】
The factory _________ （污染） the air and the water.
The air and the water ____________ by the factory.（污染）
The government asked to reduce the ___________. (污染)
pollutes
pollution
are polluted
is
un.
Tony: And in some places, pollution from factories spreads over cities and villages. It makes people ill and may even kill them. Pollution is a danger to our health.
(4) spread-spread-spread
spread over 遍布在...,
(6)danger n. 危险
dangerous adj. 危险的
Eg: 闯红灯对我们来说是危险的。
Running a red light is a danger to us.
(5) make sb do sth 使、让某人做某事
be a danger to sb/sth 对...有危害
=be harmful to
=be bad for
in danger 处于危险之中
out of danger 脱离危险
make sb adj.
Betty: And there’re so many cars on the road. They use so much oil and cause pollution as well.
Daming: But we are only students. We can’t do anything about factories and cars.
as well
either
too
also
肯定句 句末
否定句 句末
句末 书面语中，以， 隔开
句中
【Exercise】
Lily is a teacher, and her friend is a teacher ___________.
I like the Sun, and I ______like the moon.
Sue doesn’t like dogs, and I don’t like them ______.
too/ as well
also
either
Me, neither
so many 如此多 +可数名词 （PL）
so much 如此多 +un
so many 如此多
so much 如此多
+不可数名词
+可数名词 pl
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
=There is no use doing sth 做某事没意义
It’s no good doing sth. 做某事是不合适的
【Exercise】
It’s no use ___________. (complain)
It’s useless ________(regret)
（10）such as≈like
for example
complaining
to regret
Betty: It’s no use talking about things we can’t do. We’ve got to think of things we can do!
Daming: Such as…
+多个例子
，+一个例子
Lingling: Do you think we can make our school a green school
Daming: What’s a green school
Lingling: At a green school, every class collects waste or rubbish which can be recycled or used again.
(11) waste n. 浪费；废弃物
a waste of time 浪费时间
v. 浪费;滥用
waste ...on sth 浪费...在....上
waste ...(in) doing sth 浪费...做
adj. 废弃的
Eg: 扔掉废纸是很浪费的。
Throwing away waste paper is wasteful.
wasteful 浪费的
It’ a waste of time/money doing sth.
做某事使浪费时间、金钱的。
Lingling: At a green school, every class collects waste or rubbish which can be recycled or used again. Then the school sells the waste and uses the money to help students in poor areas.
Daming: Nice idea!
(12) recycle v. 循环利用
Eg: 回收利用是一个保护环境的好办法。
Recycling is a good way to protect the environment.
【前缀】re-重复；再
rewrite rebuild reuse return recall reunion restart
recycling n.
用所给词的正确形式填空。
It’s not right to ________ electricity and water.
(浪费）
Every day a lot of water _________.( 浪费）
She collects _______(废品）to make money.
All glass bottles can ___________.(回收利用）
We _________ nearly 80% of our paper. (回收利用)
waste
is wasted
waste
be recycled
recycle
Betty: Students at a green school also learn ways to save energy and recycle at home. That means less waste.
+可数名词
+不可数名词
less
fewer
more
more
Tony: That’s a good idea. Though pollution is heavy now, I don’t think it’s hopeless. If everyone starts to do
something, the world will be saved.
(13) hopeless adj. 无望的
【后缀】n./adj-less 没... n./adj-ful ...的
hopeless -hopeful harmless- harmful useless-useful careless-careful
recycle
hopeless
environment
pollution
reuse rewrite retell
helpless careless homeless
agreement government argument
invention attention competition