(共36张PPT)
Unit 13 We're trying to save the earth.
人教新目标版 九年级上
SectionA
1a-2c公开课
Learning objectives
1. 能够准确听、说、读、写本课核心词汇air/water/noise/
land pollution, litter, rubbish, waste, factory, coal等。
2. 能够用与污染相关的词汇，对环境污染和环境保护进行简单描述。
3.能听懂关于环境污染的英文表达，独立完成听力任务，理解对话中谈论的污染问题及河流污染的原因与解决方案。
4.了解日常行为对环保的重要意义，呼吁学生积极参与到环保行动当中。
Warming-up
Let's enjoy a video.
What kind of pollution can you see in the video
water pollution
Warming-up
What kind of pollution can you see in the video
air pollution
Warming-up
What other pollution do you know
land pollution
Brainstorm
What other pollution do you know
noise pollution
Brainstorm
What other pollution do you know
light pollution
Brainstorm
What other pollution do you know
nuclear pollution
Brainstorm
1) water pollution
2) air pollution
3) land pollution
4) noise pollution
5) light pollution
6) nuclear pollution
土壤污染
噪音污染
光污染
核污染
What should we do
Learn more about it!
What pollution can you see in the pictures in 1a
noise pollution
air pollution
water pollution
New drills
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
litter v. 乱扔 n. 垃圾；废弃物
air pollution
noise pollution
water pollution
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
__________________________
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cars
factories
smoking
building houses
(burning, power plants)
loud music
planes
building houses
mobile phones
(machines, crowds)
rubbish
littering
ships
factories
(sewage, pesticides)
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
1a
litter 作不可数名词，意为“垃圾；废弃物”。
litter和rubbish都可指“垃圾”，用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
eg: There were piles of litter on the streets.
街上有一堆一堆的废弃物。
There will be fines for people who drop litter .
乱扔垃圾的人将被罚款。
Throw the rubbish out. 把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
Tony
Mark
What are they talking about
They are talking about _________.
Pre-listening
Tony
Mark
Did Mark want to go swimming
Because ____________
___________________
____________________
____________________
Why not
the river was
really dirty.
Even the bottom of the
river is full of rubbbish.
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
Listen and complete the sentences.
1b
Listen again and check your answers.
Tony: Hey, Mark, maybe we could go swimming in the river later this
afternoon.
Mark: I don’t think I want to go, Tony.
Tony: Why not
Mark: I was there last weekend and the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for
fishermen to catch.
Tony: No way! It used to be so clean. In fact, it has always been the nicest
river in this town.
下午晚些时候
……的底部
曾经……; 过去经常……表示过去习惯性的动作但如今已不存在。
Mark: Not anymore. I think people are throwing litter into the river.
Factories are also putting waste into the river.
Tony: That’s terrible! We should write to the government. They should
close down the factories.
Mark: Good idea! But I think everyone in this town should help to clean
up the river, too. Everyone should play a part, not just the
government.
参与；扮演角色；起作用
关闭
play a part in doing sth. “参与做某事; 在做某事上起作用”。
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!
Tony
Mark
v.扔垃圾 n.垃圾
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
1c
Tony
Mark
What did they do to protect the environment
1) We should write to the government.
2) I thing everyone in this town should help to clean up the river. Everyone should play a part, not just the government.
Discussion
Who else can play a role in protecting the environment
还有谁可以在保护环境这件事中起作用呢？
social media
(reporter;
TV station)
Discussion
The interviewer is asking Jason and Susan some questions.
Pre-listening
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
D. water pollution
A. land pollution
C. noise pollution
B. air pollution
2a
The air is badly polluted because there are _________ on the road these days.
Factories that burn coal also ______ the air with a lot of black smoke.
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.
more cars
pollute
are throwing away
public places
烧煤的工厂
2b
Listen again and complete the sentences.
Interviewer: Today we’re talking to Jason and Susan about environmental
problems. Jason and Susan, can you tell us about some of the
problems you’ve seen
Jason: I think one problem is that the air is badly polluted. I hardly
ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Listen again and check your answers.
Interviewer: What do you think has caused this problem
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with a lot
of black smoke.
Interviewer: What other problems do you see
Susan: I guess there’s too much rubbish and waste in the streets.
coal n. 煤；煤块
Listen again and check your answers.
Jason: Yes! Every day people are throwing away things like wooden
chopsticks, plastic bowls and plastic bags.
Susan: They’re also littering in public places, for example, during
picnics in parks. This is turning beautiful places into ugly ones.
Interviewer: You’re right. These are serious problems for our environment.
Next, let’s talk about the things we can do to help.
ugly adj. 丑陋的；难看的
wooden adj. 木制的；木头的
plastic adj. 塑料的 n. 塑料；塑胶
Listen again and check your answers.
Retell the problems:
1) There are more cars on the road.
2) Factories also pollute the air with a lot of black smoke.
1) People are throwing away things like wooden chopsticks, plastic bowls and plastic bags.
2) People are littering in public places.
problems
causes
There’s too much rubbish and waste
in the streets.
The air is badly polluted.
sollution
...
...
... ...
... ...
... ...
... ...
... ...
... ...
... ...
... ...
... ...
Try to solve the problem:
problems
causes
sollution
What can we do to protect the earth Discuss with your partners and then give a report!
(you can draw a poster to help give the report)
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
2c
The air has become really polluted around here. I’m getting worried.
The problem is that…
Yes, I used to be able to see stars in the sky.
Jason
Susan
Take actions to protect environment.
Every little thing
counts.
__________
一、选择题
1. We should take public transport instead of ____ private cars to reduce air pollution.
A. drive B. driving C. to drive D. driven
2. The local government decided to ____ the number of coal-burning factories to protect the air.
A. cut down B. cut out C. cut off D. cut up
3. I remember ____ rubbish in the bin yesterday, but now I can’t find the bin.
A. to throw B. throwing C. throw D. thrown
4. Small actions like saving water and recycling paper can ____ a better environment.
A. lead to B. turn to C. get to D. come to
5. The river ____ be very clean, but now it’s polluted by litter.
A. used to B. is used to C. gets used to D. used for
Exercise
二、语法填空题
1. Everyone in the community should play a part in __________ (clean) up the waste in the park.
2. Many old ___________ (factory) in the city have been closed to stop water pollution.
3. To solve noise pollution, we _____________ (not play) loud music in public places after 10 pm.
4. It’s our duty to keep public places _________ (clean) and beautiful for everyone.
5. Your effort to recycle paper will make a big ___________ (different) to the environment.
cleaning
factories
shouldn’t play
clean
difference
Exercise
https://www.21cnjy.com/help/help_extract.php
