牛津译林版（2019）必修 第三册Unit 1 Nature in the balance Welcome to the unit 课件(共19张PPT)

(共19张PPT)
Unit 1 Nature in the balance
Welcome to the unit
After this section, you should be able to:
1. have a better understanding of the chunk about environmental protection
2. complete a song with the words after listening and learn to find the rhytem in it
3. have a free talk about the different type of environmental protection
Brainstorming
Part 1
creature
struggle
scene
save
punish
survive
pollute
garbage
conserve
overcome
endanger
nature
destruction
recycle
victim
rubbish
radiation
Dear fellow students, Our earth is getting warmer, which results in terrible ____________________(气候变化), a rise in ______________(海平面) and the disappearance of _________(物种). However, we have the power to do something to make improvements. First, let’s walk or cycle instead of driving whenever we can. Second, please think before _________________________(丢弃垃圾). _________(回收利用) instead. It takes a lot of _________(能源) to make things from new materials. Third, you’d better not leave ____________________(电子设备) on. Simply turning off the lights, the TV and the computer when they are_____________(不使用), will save thousands of pounds of _______________(二氧化碳)a year. Finally, we are supposed to spread the word by talking to friends and family members to ____________________________(提高他们的意识) and make a change. Let’s start right now and spare no effort to do a little bit every day, every hour and every minute!
An environmentally-friendly low carbon life
climate changes
sea levels
species
throwing away trash
Recycle
energy
electronic devices
not in use
carbon dioxide
raise their awareness
Context Presentation
Nowadays, more and more people realize it’s necessary to protect the environment. However, a great many people can’t stop_________________________(乱扔垃圾)casually or __________(吐痰) everywhere all the time. What’s worse, a few factories often _______________________(砍伐树木) or ____________________________________(排放有害的化学物质) and dirty water, which causes many problems like the ________________________(温室效应).
To _________________________________(保护环境), the government has taken much more effective measures. First, people should____________________________________(充分意识到重要性) of environmental protection through education. In addition, whoever destroys the environment should ___________________________(受到严厉的处罚) because destroying the environment means destroying ourselves.
As far as I’m concerned, it’s everyone’s duty to protect the environment. Only by changing the way we treat the earth can we _____________________________(与大自然和谐相处).
littering the rubbish
spitting
cut down the trees
discharge harmful chemicals
Greenhouse Effect
protect the environment
fully realize the importance
be severely punished
live in harmony with it
Context Presentation
Part 2
Learn to sing an English song
Watch the video about human and nature. Work in pairs. Share how you feel about the world we’re living in.
The human race has done much harm.
We have polluted our soils and ,
And cut down too many trees.
Now is the time to sound the .
We want to live in a world that’s clean;
We want to live in a world of .
The human race has done much harm;
Now is the time to sound the alarm.
Let’s be thankful for the skies above;
Let’s plant new trees and stop ;
Let’s work together to find the solution;
The Earth’s our home to and love.
We want to live in a world that’s clean;
We want to live in a world of green.
Let’s be thankful for the skies above;
The Earth’s our home to protect and love.
seas
alarm
green
Listening time
pollution
protect
The Earth is our only home. Listen to the song and answer the following questions.
The human race has done much harm.
We have polluted our soils and seas,
And cut down too many trees.
Now is the time to sound the alarm.
We want to live in a world that’s clean;
We want to live in a world of green.
The human race has done much harm;
Now is the time to sound the alarm.
1. What are the rhyming words in this song
Let’s be thankful for the skies above;
Let’s plant new trees and stop pollution;
Let’s work together to find the solution;
The Earth’s our home to protect and love.
We want to live in a world that’s clean;
We want to live in a world of green.
Let’s be thankful for the skies above;
The Earth’s our home to protect and love.
2. How do you understand “harm” and “alarm” in this song
“Harm” means something bad we have done to the Earth, including polluting soils and seas, cutting down too many trees, etc.
“Alarm” means the signal that warns us of the dangers of environmental damage, which urges us to find a solution to this problem.
1. What is the message of the song
Humans has done much harm to the Earth and
we have to take action to change the situation.
Comprehension
2. What can we do to protect the environment
Use less paper and fewer plastic bottles and bags
Comprehension
Cutting down on electricity usage
Plant trees
Forbid people to pour down waste into the water
Part 3
Extension of chunks
1. 过低碳生活
2. 乘坐交通工具
3. 禁止滥用塑料袋
4. 节约能源/水
5. 环保产品 6. 发展可再生资源7. 可持续发展 8. 提高生活质量 9. 不随地扔垃圾/吐痰 10. 分类垃圾 11. 禁止在公共场合吸烟
12. 保持自然界的平衡
13. 以消耗资源为代价
1. live a low carbon life
2. take public transport
3. ban the abuse of plastic bags
4. save energy/water
5.environmentally -friendly products
6.develop renewable resources
7.sustainable development
8.improve the quality of life
9.don’t litter /spit everywhere
11.ban smoking in public places
12.keep the balance of the nature
10.sort the garbage
Phrases
13. at the price/cost of resource exhausting
1. 改善生活条件
2. 骑自行车上班
3. 保护生态
4. 倡导绿色生活
5. 爱护花草树木6. 自然保护区7. 铅/水/噪音/空气污染 8. 违背自然规律 9. 砍伐树木
10. 濒危物种
11. 温室效应 12. 与……和谐相处
13. 替代能源
1. improve our living conditions
2. ride bicycles to work
3. protect the ecology
4. advocate green life
5. care of trees and plants
6. natural reserve
7. lead/water/noise/air pollution
8. go against nature
9. cut down trees
10. endangered species
11. greenhouse effect
12. live in harmony with
13. alternative energy
Proverbs
Proverbs