(共23张PPT)
Unit 13
We’re trying to save the earth!
Section B (1a~1e)
Free Talk
How can we protect the earth
go to school on foot or by bike
turn off the shower while you’re washing your hair
turn off the lights/TV when you leave a room
1a
What can we do to help save the earth Rank these items from the easiest(1) to the most difficult(5).
___ stop riding in cars
___ recycle books and paper
___ turn off the lights when you leave a room
___ turn off the shower while you are washing
your hair
___ don’t use paper napkins
5
4
1
3
2
1b
Compare your answers in 1a with your partner.
Recycling paper is really easy.
I agree. But it’s hard to stop riding in cars.
Listen for the general idea听取大意
The general idea of the conversation between
Julia and Jack is about __________.
A.air pollution
B.water pollution
C.things to save the earth
Listening practice
1c
Listen and check (√ ) the things that Julia and Jack talk about.
Things Julia and Jack talk about
___ turning off the lights
___ turning off the shower
___ not using paper napkins
Things Julia and Jack talk about
___ taking your own bags when shopping
___ not riding in cars
___ riding a bike
___ recycling paper
Listen again and answer the questions.
Who read a book
Would Julia turn off the shower when
she is washing the hair
3. Does Jack live close to school
Jack.
No, she would never do that.
Yes, he does.
1d
Listen again. Check (√ ) the things that Julia is doing now, the things she will do in the future and the things she would never do.
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
___ turning off the lights
___ turning off the shower
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
___ not using paper napkins
___ taking your own bags when shopping.
___ not riding in cars
___ riding a bike
___ recycling paper
Listen again and complete the sentences .
Jack: _________ the lights, Julia. It saves electricity.
Julia: Oh, I usually do that. I was just in a hurry.
Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should turn off the shower when you’re ________________.
Julia: Oh, I would never do that. I have very short hair. It only takes a few minutes to wash. __________ does it say
Turn off
washing your hair
What else
Jack: You should take your own bags when you go shopping.
Julia: Oh, that’s easy. I’ll do that from now on. What else
Jack: People should ________________ and start riding bikes.
Julia: No way! It would take me 45 minutes to get to school
by bike!
Jack: But it’s good for the environment! Besides, I like riding
my bike.
Julia: Yes, and you also live _________ school!
stop riding in cars
close to
1e
Make a conversation using the information from the chart above. Say what is true for you.
We really shouldn’t use paper napkins, you know.
I know. I stopped using them last year.
A: We really shouldn’t use paper napkins, you know
B: I know. I stopped using them last year.
A: We had better turn off the shower when we are washing
our hair.
B: I have never done that before, and I don’t think I will do
that in the future, either.
A: We should take our own bags when shopping.
B: I agree with you. Next time I go shopping, I will bring
my own bag.
For example
Discussion
Talk about more solutions in groups.
close down the factories;
help to clean up the river;
take the bus or subway; ride a bike;
bring a bag to go shopping, throw rubbish in the cans;
turn off the lights when you leave a room;
use paper or resusable bags; recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins; rethink, reuse, recycle ... ...
Language points
1
Recycling paper is really easy.
recycle 作动词,意为“回收利用;再利用”,在句中做主语用动名词。
recycle由“前缀re +cycle”构成,其过去式为recycled,过去分词为recycled,现在分词为recycling,第三人称单数为recycles。
e.g. Today some books are supposed to be recycled in the school.
现在一些书应该在学校里被回收利用。
Reading books is my hobby. 看书是我的习惯。
2
Turn off the lights. 关灯。
【拓展】turn的相关短语
turn up 开大 ; 出现 ; 来到 ; 找到
turn down 关小 ; 调低 ; 拒绝 ; 调小
turn over 移交 ; 翻过来 ; 仔细考虑 ; 翻身
turn back 回来 ; 折回 ; 翻过来 ; 往回走
turn around 转身 ; 转向 ; 转过身 ; 转圈
recycle books and paper 回收利用书和纸张
recycle 动词,意为“回收利用;再利用”,它是由 cycle 加前缀 re-派生而来的。
e.g. Steel, iron, glass, cloth and paper can all be recycled.
钢、铁、玻璃、布和纸张都可以回收利用。
recycle books and paper 回收利用书和纸张
①recycle 的过去分词为recycled,常作定语。
e.g. The boxes are made of recycled paper.
这些盒子是用再生纸做的。
②recycling 用作名词,意为“回收利用”。
e.g. Recycling is important to environmental protection.
回收利用对环境保护是很重要的。
拓展
recycle books and paper 回收利用书和纸张
前缀 re- 表示“再;又;重新”,可以加在一些名词或动词的前面,构成新的名词或动词。例如:
use 利用→reuse 再利用
start 开始→restart 重新开始
注意
You should turn off the shower when you’re washing your hair.
We really shouldn’t use paper napkins.
It’s good for the environment.
It’s hard to stop riding in cars.
I’ll do that from now on.
sentences
recycle, napkin
words
Summary
Exercise
1.To reduce the CO2 in the air, people should stop _____(drive) cars.
2._________ (recycle)paper is a really easy thing for everyone.
3.They go to the movies instead of _______(stay) at home.
4.The old man used to ____(like) soccer when he was young.
5.It's hard ________(finish) the task in such a short time.
driving
Recycling
staying
like
to finish
Thank you!