Unit 13 We're trying to save the earth!Section A 1a-1c 课件(共17张PPT，含内嵌音频) 人教版英语九年级全册

(共17张PPT)
Unit 13
We're trying to save the earth!
Section A
1a-1c

try to do=try one's best to do
Learning Objectives
话题：保护环境 protecting the environment
Language Goal：
To talk about pollution and environmental protection
To listen for specific information
To learn to use the sentence patterns
used to...but now
should do sth.
View the pictures on P97, understand it and introduce what it is about by answering the following questions
1. What can you see in these pictures .
2. What happened to the environment
was badly polluted
air pollution
noise pollution
water pollution
Lead-in
3. What kinds of pollution do these pictures show
The factories that burn coal pollute the air with a lot of black smoke.
There are more cars and buses on the road these days.
u.n.煤，煤块
Look and say
What caused air pollution,noise pollution, and water pollution
People talk loudly in public.
Building houses.
There are more cars and buses on the road these days.
Factories put waste into the river.
People throw litter into the river.Even the bottom of the river is full of rubbish.
u.n.垃圾，废弃物
u.n.垃圾，废料
n.底部，最下部
1a
Here are some words related to different kinds of pollution. Write them in the box below.
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
be related to 与……有关 e.g. This unit is related to save the earth.这个单元和拯救地球有关。
Add more words:
machines机器 power plants发电厂 sewage污水
vehicles交通工具 nuclear waste leak核废料泄露 industrial waste water
burning燃烧 工业废水
The general idea of the conversation is about
A.health problems
B.air pollution
C.water pollution
Pre-listening
Predict：What kind of pollution is it？
Tip：Find out the key words in1b.
Listen1b and check your prediction.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
河底
Do you think the problem is very serious ？
Government
While-listening
Unity is power.
factories
everyone
+
+
=
used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。
play a part in doing sth. “参与做某事; 在做某事上起作用”。
Read and underline what the river used to be like.
in the past
now
How do you feel
Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______.
Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and play a ______ (发挥作用） in protecting the environment.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
part
Retell the conversation.
Post-listening
What can we teenagers do to save the river？
●We can take photos of it and post them online.
●We can write to the government and ask them to develop laws and close down such factories.
●We can throw rubbish into the bins and start to sort the garbage.
●We can take part in many activities and take action to protect our environment.
● We can recycle many things and put many things in good use.（好好利用）
We only have one earth!
Let's play a part in loving and saving it!
What are the problems
What caused the problems
How
GroupA: Oral: Role-play 1c with your classmates. Record it and send it to your teachers.
GroupB: Written: Try to find more information about pollution and the danger it brings.(e.g. light pollution, land pollution)
GroupA and B: Review what we've learnt and preview P98.
用所给词的适当形式填空:
1. Could you tell me the______ (advantage) of
getting up early
2. He is sitting in the ________(wood) chair and
reading a newspaper.
3. Look! The__________(fisherman)are busy with their work.
4. The river near the town has been_____(bad)polluted
by the factory.
5. Some volunteers are trying_________(help) the homeless people.