(共22张PPT)
Unit 13
We’re trying to save the earth.
Section A 1a~2d
Why should we protect the environment
It's everyone’s duty to protect the environment. And it should begin from every aspect of our daily life. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves.
The world’s problem
Endangered animal
Pollution
desertification
Natural disasters
What kind of pollution are they
air pollution
noise pollution
water pollution
1a
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
Noise pollution
Air pollution
Water pollution
loud music, planes, building houses, mobile phones (machines, crowds, vehicles)
cars, factories, smoking, building houses (burning, power plants, nuclear disposal)
rubbish, littering, ships, factories (sewage, industrial waste, pesticides)
What does this picture talk about
Water pollution has become a serious problem.
“
”
1b
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 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
1c
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
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”。
Look and say
What kind of pollution has been showed in this picture What do you think has caused this pollution
Air pollution.
The sky is grey and people are usually wearing masks when they are in the open air.
Causes: a huge number of automobiles and coal-burning…
Look and say
What kind of pollution has been showed in this picture What do you think has caused this pollution
Land pollution
Causes: Industrial Pollution and all kinds of human activities…
Look and say
What kind of pollution has been showed in this picture What do you think has caused this pollution
noise pollution
Causes: barking dogs, lawn mowers, power saws, motorcycles, airplanes, cars, people…
2a
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
land pollution B. air pollution
C. noise pollution D. water pollution
2b
Listen again and complete the sentences.
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.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
2c
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
Jason：The air has become really polluted around here. I’m getting very worried.
Susan：Yes, I used to be able to see the stars in the sky.
Jason：The problem is that…
Read the dialogue in 2d, then tell us what we can do to reduce the pollution.
1. We should take _______ or _______ instead of driving.
2. We should also _______ ______ _____. It’s good for health!
3. Bring ___________ to go shopping.
4. Never take _________________ or __________ when buying takeaway food.
5. ______________ in the bins and keep public places clean and beautiful.
the bus
subway
ride
a
bike
a bag
wooden chopsticks
plastic forks
Throw rubbish
2d
Role-play the conversation.
Language point
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球!
try to do =try one’s best to do
努力去做某事
I tried to open the window.
我努力打开窗户。
Every student should try to study hard in order to study in a university.
为了进入大学学习，每个学生都应该努力学习。
Language point
2. Here are some words related to different kinds of pollution.
be related to 与…有关
I am not related to him in any way.
我和他无任何关系。
Is the topic related to what we are saying.
这个话题是否与我们说的有关系？
Language point
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
A good diet plays a large part in helping people live longer.
健康的饮食在帮助人们长寿方面起着非常大的作用。
Computers have played an important part in our daily life.
电脑在我们日常生活中扮演着重要角色。
Language point
4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter 和 rubbish “垃圾”，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
Throw the rubbish out.
Pick up your litter after a picnic.
Exercise
你想要做什么？
他在工作中其重要作用。
这些问题都是密切相关的。
汉译英。
What are you trying to do
He plays an important part in the work.
These problems are closely related.
Homework
老师可以在这里布置作业噢~
