Unit 13 We're trying to save the earth! Section A 1a-1c 课件（17张PPT，内嵌音视频） 人教版初中英语九年级全一册

(共17张PPT)
Unit13
We’re trying to save the earth!
SectionA 1a-2c
Objectives
By the end of the class, students should be able to:
Talk about air pollution, water pollution , noise pollution and waste pollution.
Think about ways of protecting the environment.
learn to use the sentence patterns
...used to...but now should do sth.
Lead-in: watch a video
What kind of pollution is it
Water pollution.
Pre-listening
Different kinds of pollution
noise pollution
air pollution
water pollution
waste pollution
What caused these problems
noise pollution
Loud music
planes
building houses
, , and caused the noise pollution.
air pollution
Some factories are burning c and they are polluting the air with a lot of balck s .
There are more and more cars on the road. They are putting w gas into the air.
oal
moke
aste
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
building houses
cars
factories
cars
smoking
building houses
ships
factories
littering
rubbish
Task 1: read the words and finish 1a.
problem
causes
While-listening
:listen and complete the sentences in 1b.
What was the problem
The river was _____________. Even the bottom of the river was full of _________. There were no more ______ for fishermen to catch.
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.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
causes
solution
problem
Everyone in this town should play a part in cleaning it up !
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are littering in the river.
Tony: Everyone in this town should play a part in cleaning it up!
Task 2: role-play the coversation. Then make your own conversation about the kinds of pollution in 1a.
used to do sth. “过去常常......”表示过去习惯的动作但如今已不存在
play a part in doing sth. “参与做某事/起到作用”
A: was .
B: But it used to .
A: Yes, but people .
B: Everyone in this town should !
Predcit what kinds of pollution would talk about.
1. The air is badly polluted because there are ___________ on the road these days.
2. Factories that burn coal also ________ the air with a lot of black smoke.
3. There is also too much rubbish and waste. People _________________ things every day.
4. People are also littering in ______________ like parks. This is turning beautiful places into ugly ones.
air
pollution
waste
pollution
Task 3: Listen again and complete the sentences.
1. The air is badly polluted because there are ___________ on the road these days.
2. Factories that burn coal also ________ the air with a lot of black smoke.
3. There is also too much rubbish and waste. People _________________ things every day.
4. People are also __________ in public places like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
littering
Post-listening: imagine that you are an ambassaor of enviromental protection in your community. Please give a speech on an enviromental problem and its causes and solutions.
Post-listening: give a report
There are many serious problem about our enviroment.
I think one of them is that..., I’ve noticed that... (problem)
That is because people..., some factories...(cause)
To solve this probelm, I think...(solution)
I believe that...(wish)
Summary
Love the earth, love our home!
Homework
Level A:
1. Record a video to introduce FOUR kinds of pollution.
2. Draw a poster to introduce ALL THE ABOVE pollution.(problems/ causes/ solutions)
3. Read an article about air pollution and finish the reading task.
Level B:
1. Record a video to introduce THREE kinds of pollution..
2. Draw a poster to introduce AT LEAST TWO kinds of pollution. (problems/ causes/ solutions)
3. Read an article about air pollution and finish the reading task.
Level C:
1. Record a video to introduce ONE or TWO kinds of pollution..
2. Draw a poster to introduce AT LEAST ONE kind of pollution. (problems/ causes/ solutions)
3. Read an article about air pollution and finish the reading task.
Thanks!