Unit 13We're trying to save the earth! Section A 1a-2d 课件(共有PPT22张，含音频）

(共22张PPT)
Unit 13
We are trying to save the earth.
人教版 九年级全一册
Section A 1a-2d
扔垃圾
河的底部
参与
扔掉
解决问题
代替，而不是
对......有好处
开始做......
外卖食品
有作用/影响
Translate
throw litter
the bottom of the river
play a part in
throw away
solve the problem
instead of
be good for
start doing
takeaway food
make a difference
Presentation
Do you like them
But now,
the earth is polluted.
What kind of pollution do you know
pollution
water pollution
air pollution
noise pollution
What can cause these pollutions
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
1a
loud music cars rubbish planes
littering ships factories smoking
bulding houses mobile phones
noise pullotion
air pollution
water pollution
cars
factories smoking
building houses
Loud music
cars
planes
building houses
mobile phones
rubbish
littering
ships
factories
What should we do
to help
save the earth
You drink a can of cola. What do you do
I throw away cans.
I recycle cans.
Recycling the cans is good for the Earth.
You go shopping. What do you do
I use a lot of new plastic bags.
I use my own bag.
Using your own bag is good for the Earth.
When you write on a piece of paper, what do you do
I write on one side only.
I write on both sides.
Using paper on both sides is good for the Earth.
close down the factories
help to clean up the river
take the bus or subway
ride a bike;
turn off the lights when you leave a room
recycle books and paper
turn off the shower when you wash your hair
don't use napkins（餐巾纸）
rethink,reuse, recycle ... ...
Solutions
I could...
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.
Listen and complete the sentences.
1b
really dirty
rubbish
fish
litter
waste
government
close down
clean 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!
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
1c
2a
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution
B. air pollution
C. noise pollution
D. water pollution
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. Th is turns beautiful parks into ugly places.
more cars
pollute
are
public places
2b
Listen again and complete the sentences.
throwing away
Jason: The air has become really polluted around
here. I’m getting worried.
Susan: Yes, I used to be able to see stars in the sky.
Jason: The problem is that ...
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
2c
I: Jason and Susan, what are your ideas for solving these problems
J: Well, to cut down air pollution, we should take the bus or
subway instead of driving.
S: Yeah, or ride a bike. There are other advantages of bike
riding. It’s good for health and it doesn’t cost anything!
2d
Role-play the conversation.
I: Great ideas! What about waste pollution
S: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.
J: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.
S: And remember to throw rubbish in the cans and keep
public places clean and beautiful for everyone.
I: So together, our actions can make a difference and lead to a
better future!
用方框中所给词的适当形式填空。
1. Don't throw ______(垃圾) everywhere.
2. In winter, many people burn ______(煤) to keep warm.
3. The police found a body at the _______(底部) of the lake.
4. The ______(花费) of living in big cities is very high.
5. He keeps a rabbit in a big _______(木制的) box.
cost wooden, coal , bottom, litter
cost
wooden
coal
bottom
litter
1. 多一个人少一个人无所谓。
One person wouldn’t ______ __ __________.
2. 这个木箱时装满了书。
The _______ box ____ ____ ____ books.
3. 不健康的饮食对这种疾病的传播起一定的作用。
Unhealthy foods ____ __ ___ ___ the spread of the disease.
4. 这条小路通向公园。
The path ____ ____ the park.
5. 我错拿了你的包。
I took your bag _______ ___ mine by mistake.
wooden is full of
make a difference
lead to
paly a part of
instead of
See you next time