Module 9 Population Unit 1 The world's population was about 7.8 billion in 2020 课件(共17张PPT)

(共17张PPT)
a long piece of writing
Task 1 Listen and write down the numbers as you hear them.
The world’s population
7.8 billion
8.5 billion
9.7 billion
The world’s population was about 7.8 billion in 2020.
The number will climb to 8.5 billion in 2030.
By 2050, the world will have 9.7 billion people.
2020 2030 2050
The population of Pakistan was about 227 million in 2020.
By 2050, Pakistan will have about 346 million people.
The population will increase by 119 million in the next 30 years.
227 million
346 million
The population of Pakistan
2020 2050
208 million
438 million
The population of Nigeria was about 208 million.
By 2050, Nigeria will have about 438 million people.
The population will probably double in the next 30 years.
The population of Nigeria
2020 2050
1.6 billion
The population of India was about 1.3 billion in 2020.
By 2030, India will have about 1.5 billion people.
The number will climb to 1.6 billion in 2050.
The population of India
2020 2030 2050
1.5 billion
1.3 billion
The populations increase too fast in these countries.
high birth rates
When populations increase too fast, it can cause problems, such as too much _________and ________.
traffic
noise
There's too much traffic in front of our school gate.
There aren't enough places to park.
other problems
It’s hard for children to go to school.
It’s hard for people to go to hospital.
There is much white pollution.
Cities will be bigger.
Lands will be smaller.
There won’t be enough clean water for people to drink.
There won’t be enough food for people to eat.
other problems
Problems Solutions
too much traffic not enough space to park cars
too much pollution
lack of good public services
go to work by bike, by bus or on foot
build more parking lots
reduce air pollution from traffic
plant more trees
live a green life
build more schools, libraries, parks,
hospitals and gyms
Task 2 Discuss in groups of 4 and write down the solutions.
The countries with low birth rate also face a problem called aging population.
The UK
low birth rates
slow-growing populations
We are in the right place to talk about countries with low birth rates and aging population.
problems caused by aging population
There will be fewer working people.
There will be more and more disabled elders.
There won’t be enough medical care.
There will be more and more empty nesters.
Task 3 Let’s help Tony finish his report.
The world’s population
Beginning
Tell your name.
Say the name of the report.
Show some data.
Describe these data.
Describe the problems.
Ending
Share your opinion(s) or your suggestions.
Body
In 8 minutes, you will
1.Choose one level: Level A or Level B.
2.Finish writing the report.
3.Read your report aloud.
Checklist for the report
Language 1. Did you show some data
2. Did you describe these data
3. Did you describe the problems
Performances 1. Did you report fluently and logically
2. Did you use the suitable body language
Level A: Exchange your reports about the world’s population.
Level B: Write a report called “The population of Dongyang”.
Homework