Unit 13 We're trying to save the earth Section A(1a-1c) 课件(共50张PPT)

(共50张PPT)
Unit 13
We’re trying to save the earth!
SectionA (1a-1c)
litter
bottom
fisherman
coal
ugly
advantage
cost
wooden
plastic
takeaway
bin
v. 乱扔
Words
n. 底部；最下部
n. 渔民；钓鱼的人
n. 煤；煤块
adj. 丑陋的；难看的
n. 优点；有利条件
v. 花费
adj. 木制的；木头的
n. 塑料；塑胶
n. 外卖食物
n. 垃圾桶
shark
fin
cruel
harmful
chain
ecosystem
industry
law
scientific
afford
reuseable
n. 鲨鱼
n.(鱼）鳍
adj. 残忍的
adj. 有害的
n. 链子
n. 生态系统
n. 工业
n.法律
adj.科学上的
v.承担得起
adj.可重复使用的
Words
transportation
recycle
napkin
upside down
gate
bottle
president
inspiration
iron
work
metal
creativity
n. 交通
v. 回收利用
n. 餐巾
上下颠倒
n.大门
n. 瓶子
n.负责人.主席
n.灵感
n.铁
n.作品
n.金属
n.独创性.创造力
Words
Understanding the earth
clean city
blue sky
forest
river
clean water
all kinds of creatures
But…
rubbish
The earth is polluted.
noise pollution
water pollution
air pollution
land pollution
What kinds of pollution do you know
noise pollution
The cars made much noise.
building houses
loud music
mobile phones
land pollution
garbage
plastic bags,
napkins
air pollution
Factories and cars pour harmful gases into the air.
Cars also pour dangerous gases into the air.
cars
smoking
Some people smoke in public places.
water pollution
Factories put
waste into
the river.
The earth is polluted.
We are harming our planet in so many ways.
problems the earth is facing:
air pollution
water pollution
noise pollution
land pollution
What will happen if we keep on causing pollution
Because of pollution,
We won’t have fresh air to breathe.
Because of pollution, our sky isn’t blue any more.
Because of pollution, many animals were killed.
Because of pollution, more and more animals don’t have places to live in.
We won’t have clean water to drink.
So, to help save the earth,what should we do
take buses
walk to school
Take part in the cleaning activities.
No littering!
try to use the public transportation
recycle books and paper
turn off the light when you leave a room
turn off the shower while you are washing your hair
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 into the cans;
turn off the lights when you leave a room;
use paper or reusable bags;
recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins;
Useful solutions
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
1a
Noise pollution
Air pollution
Water pollution
cars, factories, smoking, building houses (burning, power plants, nuclear waste disposal) loud music, planes, building houses, mobile phones (machines, crowds) rubbish, littering, ships, factories (sewage, industrial waste, pesticides)
Listen and complete the sentences.
what was the problem The river was _________. even the bottom of the river was full of ________. there were no more _____ for fishmen to catch.
really dirty
rubbish
fish
1b
what caused the problem people are throwing _____into the river. Factories are putting _______ into the river.
How should the problem be solved We should write to the ________ and ask them to ___________ the factories. everyone should help ________to the river.
litter
waste
government
close down
clean up
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
1c
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
According to 1b,then role-play the conversation.
Practice
Make conversations using the pollution in 1a.
The river has always been the nicest river in this town.
Yes, it used to be so clean.
But I was there last weekend and the river was really dirty.
What caused the problem
Factories are also putting waste into the river.
People are throwing litter into the river.
What should we do
Yes, everyone in this town should play a part.
We should write to the government and ask them to close down the factories.
What else can we do
Everyone should help to clean up the river.
我的收获
Words：(词)
Listening skill:(听力技巧)
Sentences: (句)
根据问题预测听力关注点。
litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference
1) The river used to be so clean.
2) People are throwing litter into the river.
3) It has always been the nicest river in this town.
4) We should write to the government.
5) I think one problem is that the air is badly polluted.
try to do =try one’s best to do
be related to…
mobile phones
rubbish, litter ,waste
the bottom of the river
be full of
fisherman-fishermen
throw litter into the river
ask sb. to do
close down the factories
clean up
used to be+形容词…
play a part in doing sth…
put into
at the bottom of the river
ask sb to do sth
We only have one earth!
Let’s play a part in loving and saving it!
Help save the earth
We must think of better way to
treat our planet in future.
一.翻译出下列短语，并熟读书写3遍。
努力去做某事
手机
垃圾,废物
河底
充满……
渔民
政府
把垃圾扔到河里
要求某人干某事
关闭工厂
打扫
过去常常…
在……中起作用，在……中扮演角色
try to do
mobile phones
litter ; rubbish;waste
the bottom of the river
be full of
fisherman
government
throw rubbish into the river
ask sb. to do sth.
close down the factories
clean up
used to be
play a part in
1.归纳总结出本节课所讲到的当前地球所面临的问题都有哪些？
2.作为中学生，请为怎样拯救地球提出3-5 条建议。
二.请用简短的英语短语或短句概括出
See you later