外研版英语八年级上册Module 9 Population Unit 1 The world's population was about 7.8 billion in 2020.（2022）课件(共

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Unit 1 The world’s population was about 7.8 billion in 2020.
Module 9 Population
学 习 目 标
学习本单元新单词及短语： noise, prepare, report, billion, huge, increase, hang on, notes, cause, problem, grow, birth。
。
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3
学习大数字的读法。
学习并掌握本单元重点句型：①I’m preparing a report called “The world’s population”.②Hang on a minute!③It can causes problems, such as too much traffic and noise.④There aren’t enough people to do all the jobs, or enough young people to look after the older ones.
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课 堂 导 入
Discussion
What’s the population of our city
What may the growing population cause
Now more and more people are living and working in our city. It may be more difficult to find jobs.
More and more cars appear in the city. They cause noise pollution and air pollution. The risk of accidents increases.
Too many people produce a lot of rubbish. City rubbish has become a big problem.
The government has to pay to build more schools and hospitals.
Listening and vocabulary
课 堂 学 习
New words
notes
cause
problem
grow(grew)
birth
噪声；杂音
准备；预备
报告；汇报
十亿
巨大的；庞大的
增大；增长
笔记；随笔
造成；引起
麻烦；问题
增长；增大
出生
noise
prepare
report
billion
huge
increase
Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
city shop noise people space traffic
Warming up
1 What is the population of New York
a) About 17 million.
b) About 30 million.
c) About 9 million.
2 What is the population of Tokyo
a) About 4 million.
b) About14million.
c) About 28 million.
Listen and choose the correct answer.
Listening
Tapescript:
Girl: I went shopping in the city centre with my family last week.
Boy: Did you have a good time
Girl: Yes, I did, but there was a lot of traffic on the way there. And there were so many people in the shops.There was a lot of noise.
Boy: Well, New York is a big city.
Girl: Yes, it is. It has a population of about nine million.
Boy: Nine million! Does New York have the largest population in the world
Girl: No, it doesn’t. There are cities with a larger population. For example, Tokyo has a population of about 14 million.
Boy: Really That’s a lot of people!
Listen and read. Then complete the notes.
Population of the world in 2020: ____________________
Population of the world in 2030 : ______________________
Population of India in 2030 : _____________________________
Fast reading
8.5 billion
about 1.5 billion
about 7.8 billion
1 What is Tony doing now
2 What was the population of the world in 2020
3 Which countries are seeing the most population growth
He is preparing a report called “The world’s population”.
It was about 7.8 billion in 2020.
The largest increase in population will take place in India, Nigeria and Pakistan.
1. Read the conversation again and answer the questions.
Careful reading
世界人口
发生
例如
太多　
population world
take place
such as
too much
population increase
how about
hang on
look after
thanks for
人口增长
……怎么样
稍等
2. Translate the following phrases into Chinese.
照顾，照看
因…..而感谢你
Tony is (1) __________ some notes for his report (2) _______ “The world’s population”. Lingling is giving him some (3) _______. Population increase (4) ________ a lot of problems, such as (5)__________traffic and noise. But countries with slow-growing populations also have many problems.There aren’t(6) ________people to do all the jobs, or enough young people to (7)________ the old ones.
call　advice　too much　cause enough　prepare look after
preparing
called
causes
too much
enough
Complete the passage with the correct form of the words and expressions in the box.
Post-reading
advice
look after
Choose the correct answer.
1 Birth happens at the start / at the end of life.
2 Huge means large / small.
3 An increase in population means more / fewer people.
4 Hang on a minute means waiting for a short time / a long time.
5 Making notes means writing a long passage / a few words.
6 A problem is something easy / difficult.
7 A report is a long piece of writing / a few words.
8 A billion is a hundred / a thousand million.
Vocabulary
Language points
1. I am preparing a report called “The world’s population”. 我正在准备一篇题为《世界人口》的报告。
（1）prepare动词，意为“准备；预备”。
①prepare sth. 准备某物
Mum was preparing dinner at that time.
那时妈妈正在准备晚餐。
②prepare sth. for … 为……准备某物，for表示目的。
Let’s prepare some food and drink for our picnic.
我们为野餐准备一些食物和饮料吧。
③prepare for 为……作准备
They are busy preparing for the Spring Festival.
他们正忙着为春节做准备。
（2）population名词，意为“（某地的）人口”。
①表示人口数量多通常用形容词big或large，表示人口数量少通常用small。
It is a beautiful city with a small population.
它是一个有着少量人口的美丽城市。
The population of China is much larger than that of Canada.
中国的人口比加拿大人口多很多。
②询问某地的人口数量用句型“What is the population of… ”。
What’s the population of Beijing
北京的人口数是多少？
【拓展】表达人口数的句型有：
① … has a population of…
China has a population of about 1.4billion.
中国人口约14亿。
② …with a population of… / … people
It is a beautiful city with a population of 50 thousand.
It is a beautiful city with 50 thousand people.
它是一个人口五万的美丽城市。
③ the population of…
The population of the city will be 38.7 million by 2025.
到2025年，这个城市的人口将达到38,7 00,000.
2. It can causes problems, such as too much traffic and noise. 这可能会引发很多问题，例如交通拥堵，噪声过多。
(1) 辨析：problem与question
　 In the end, they solved all the problems.
最终，他们解决了所有的难题。
The boy always has so many questions to ask.
这个孩子总是有这么多的问题要问。
problem 麻烦；问题 通常指以难解决的问题，常与solve等连用
question 问题 通常指普通的疑问，常与ask和answer等连用
(2) 辨析：too much, too many与much too
　
[拓展]too much可修饰动词，意为“太多”。
Don’t watch TV too much.
不要过多地看电视。
too much 太多。修饰不可数名词 too much rubbish 太多的空间
too many 太多。修饰可数名词（复数） too many apples 太多的苹果
much too 太。修饰形容词或副词，表示程度 much to expensive 太贵
(3) 辨析：noise, sound与voice
　
There is usually a lot of noise in the street at the moment.
此刻在街道上通常有很大的噪声。
Can you hear the sound of the running water
你能听到流水的声音吗？
She has a sweet voice.
她有着甜美的歌喉。
noise 通常指不悦耳的“噪声”或“嘈杂声”
sound 统指自然界的各种“声音”
voice 通常指人说话或唱歌的“嗓音”，也可指鸟鸣的声音
3. There aren’t enough people to do all the jobs, or enough young people to look after the older ones.没有足够的人做所有工作，或者没有足够的年轻人照顾老人。
（1）enough 【形容词】足够的，充足的
修饰可数名词复数或不可数名词，常位于名词前。
There aren’t enough chairs for everyone.这些椅子不够每人一把。
【副词】足够地；充分地 修饰形容词或副词，位于这些词之后。
This house isn’t big enough for us.这套房子对我们来说不够大。
I didn’t run fast enough.我跑得不够快。
（2）look after 照看，照顾 与 take care of同义。
We should look after the old people well.我们应该好好照顾老人。
　
Pronunciation and speaking
5. Listen and repeat.
8,742 eight thousand, seven hundred and forty two
2,463,128 two million, four hundred and sixty three thousand,one
hundred and twenty eight
1,370,000,000 one billion, three hundred and seventy million
2,000,030,000 two billion and thirty thousand
Summing up
87, 423, 056, 391
billion
million
thousand
eighty–seven billion, four hundred and twenty-three million, fifty–six thousand, three hundred and ninety-one
6. Prepare a talk on the world’s population.Think about the questions.
What is the population of the world
How fast is the world’s population growing
What are the problems of fast-growing and slow-growing populations
What else do you know about the world’s population
Now work in pairs and give your talk.
1. Read the conversation.
2. Talk with your partner about population problems.
Homework
Thank you !