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(共45张PPT)
Module 9 Unit 1
The world’s population was about
7.8 billion in 2020.
外研版
八年级上
通过本课的学习，学生能够：
①通过听获取纽约、东京的人口数量现状，世界人口数量的现状以及未来的发展，人口增长最快的国家以及人口增长过快或过慢带来的影响。
②理解、掌握对话中的语言知识点，掌握大数字的读法。
③运用所学知识，做一份报告，简述世界人口发展的现状以及人口增长快或者慢带来的影响。
Learning Goals
噪声；杂音[n z] n. ______________
准备；预备 [pr 'pe ] v. _______________
报告；汇报[r 'p t] n. _______________
十亿['b lj n] num. _____________
巨大的；庞大的[hju d ] adj._________________
增大；增长[' kri s] n. ________________
[ n'kri:s] v. _______________
[口]稍等 ___________
Words & Expressions
noise
prepare
report
billion
huge
increase
increase
hang on
笔记；随笔[n ts n.(pl) _____________
造成；引起[k z] v. _______________
麻烦；问题['pr bl m] n. _______________
增长；增大[gr ] v. _____________
出生[b θ] n._________________
notes
cause
problem
grow
birth
Let’s watch a video and then tell what is the video mainly about
Warming Up
It is about the world’s birth population and death population from 1950-2020.
Look at the picture and tell the world’s birth population and death population in 2020.
world’s birth population:
12,030,000
thousand
million
The birth population in 2020 is twelve million and thirty thousand.
world’s death population:
9,980,000
The death population in 2020 is nine million, nine hundred and eighty thousand.
What’s the world population in 2020 Can you find it in your book
7,800,000,000
thousand
million
billion
1. Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
Pre-listening
city shop noise people traffic
In the picture, there are too many (1) _______ and (2)________ in our(3)________. That causes a lot of problems, such as too much
(4) _______ and (5) _______. It is too crowded.
people
shops
city
traffic
noise
Do you want yo know what is the population in some big cities Read the questions in Activity 2 and tell which two cities we are going to listen to.
New York and Tokyo
2. Listen and choose the correct answer.
1. What is the population of New York
a) About 17 million. c) About 30 million.
b) About 9 million.
2. What is the population of Tokyo
a) About 4 million. c) About 14 million.
b) About 28 million.
While-listening
……的人口是多少？
B
B
Listen and read after the tape
Betty: I went shopping in the city centre with my family last week.
Tony: Did you have a good time
Betty: 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.
Tony: Well, New York is a big city.
Betty: Yes, it is. It has a population of about nine million.
Tony: Nine million! Does New York have the largest population in
the world
Betty: No, it doesn’t. There are cities with a larger population. For
example, Tokyo has a population of about 14 million.
Tony: Really That’s a lot of people!
Watch the video and answer the following questions:
(1)What is Tony doing
(2)What are they mainly talking about
He’s preparing a report called “The World’s Population”.
Population increase.
Listen to the tape and complete the notes
Population of the world in 2020:
Population of the world in 2030:
Population of India in 2030:
About 7.8 billion people
8.5 billion people
About 1.5 billion people
Listen to the tape again and Answer the questions.
1. According to Lingling, what problems will there be when populations increase too fast
2. What problems will there be for countries with slow-growing population
Too much traffic and noise.
There aren’t enough people to do all the jobs, or enough young people to look after the older ones.
Lingling: What are you doing
Tony: I’m preparing a report called “The world’s population”.①
Lingling: Well, I can help! I just watched a video about world population yesterday. It said the world’s population was about 7.8 billion in 2020. And the number will climb to 8.5 billion in 2030.
Tony: I can’t believe it! That’s a huge number. Which countries are
seeing the most population growth
准备一份报告
Listen and read after the tape.
[口]我简直不敢相信
Lingling: The largest increase in population will take place in India,
Nigeria and Pakistan②. By 2030, India will have about 1.5 billion people.
Tony: Hang on a minute! I’ll make some notes!
Lingling: When populations increase too fast, it can cause problems, such as too much traffic and noise.③
Tony: That’s true. How about countries with slow-growing populations
发生
[口] 稍等
记一些笔记
太多的交通和噪音
Lingling: Countries with low birth rates have problems too. There aren’t enough people to do all the jobs, or enough young people to look after the older ones.
Tony: I see. Great, thanks for the information! Now I can write my report!
低出生率
我明白了
[口] 棒极了
因为……感谢
Post-listening
4. 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.
Complete the sentences with the correct form of the words.
1. She gave ___________ to a fine healthy girl.
2. The opera was a ___________ success.
3. Did you see those ____________ on the Olympics these days
4. I have a few ______________ with the machine.
birth, huge, reports, problems
birth
huge
report
problem
Lingling: What are you doing
Tony:
Lingling: Well, I can help! I just watched a video about world population yesterday. It said .
And the number will climb to 8.5 billion in 2030.
Tony: Which countries are seeing the most population growth
Disappearing dialogue
I’m preparing a report called “The world’s population”.
the world’s population was about 7.8 billion in 2020
I can’t believe it! That’s a huge number.
Lingling:
Nigeria and Pakistan. By 2030, India will have about 1.5 billion people.
Tony:
Lingling: When populations increase too fast, it can cause problems, such as too much traffic and noise.
Tony: How about countries with slow-growing populations
The largest increase in population will take place in India,
Hang on a minute! I’ll make some notes!
That’s true.
Lingling: There aren’t enough people to do all the jobs, or enough young people to look after the older ones.
Tony: I see. Now I can write my report!
Countries with low birth rates have problems too.
Great, thanks for the information!
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
6. Prepare a talk on the world’s population. Think about the questions.
Now work in pairs and give your talk.
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
Key Phrases
……的人口是多少？ ______________________
准备一份报告 ______________________
我简直不敢相信！ ______________________
发生 ______________________
稍等 ______________________
记一些笔记 ______________________
prepare a report
I can’t believe it!
take place
hang on a minute
make some notes
What’s the poipulation of...
太多的交通和噪音 ______________________
低出生率 ______________________
我明白了 ______________________
因为……感谢 ______________________
too much traffic and noise
low birth rates
I see
thank for...
1. I’m preparing a report called “The world’s population”.
prepare 为动词，意为“准备；预备”。
(1) prepare sth. for sb. 为某人准备某物
e.g. Are you able to prepare food for yourself
你能自己给自己准备食物吗？
Language Points
(2) prepare for sth. 为某事做准备
e.g. Lucy is preparing for her English lesson now.
露西现在正在为她的英语课做准备。
(3) prepare to do sth. 准备做某事
e.g. You should prepare to leave at seven to catch the train.
你应该准备 7 点出发去赶火车。
1. 看！怀特一家正在厨房里准备一顿丰盛的家庭晚餐。
Look! The Whites are a big family dinner in the kitchen.
2. 我的父母将会为我们准备大量的食物和饮料。
My parents will __________ plenty of food and drinks ________ us.
preparing for
返回
Instant Training
prepare
for
2. The largest increase in population will take place in India,
Nigeria and Pakistan
(高频) increase v. /n.增加； 增长 increasing adj. 不断增加的
increase by 增长（后跟百分比）
increase (from...) to （从……）增长到……
increase the chance/risk of...增加……的机会/风险
The population has increased from 1.2milion to 1.8 milion.
人口已从120万增长到了180万。
The population of our town has increased by 5 percent.
我们镇的人口增长了5%。
The increase of economy has now slowed down.
经济增长的速度现已放慢。
(1) Reading widely is a good way to__________（增加）your vocabulary.
(2) Being overweight i____________ the risk of having a heart problem.
increase
Instant Training
ncreases
返回
3.When populations increase too fast, it can cause problems, such
as too much traffic and noise.
cause 在此处作动词，意为“造成；引起”。
cause a lot of problems/trouble 引发许多问题
cause sb. to do sth. 致使某人做某事
cause sb. sth./cause sth. for sb. 给某人招来某事
It may cause you a lot of trouble if somebody gets your personal information.
如果有人得到你的个人信息，可能会给你带来很多麻烦。
cause 也可以作名词，意为“原因，起因”。
the cause of (doing) sth. （做）……的原因
People around the world are working on reducing the causes of global warming.
世界各地的人们都在努力减少全球变暖的原因。
Instant Training
(1) 警察正在设法查明事故的原因。
The policemen are trying to find out ___________________________.
(2)The greenhouse effect may cause the level of the sea _________(rise).
the cause of the accident
to rise
辨析 noise, voice 与 sound
词汇 含义及用法
noise ①作可数名词侧重表示“声音”，如：make a noise 发出声音；②作不可数名词侧重表示“噪声，杂音”，常指不悦耳的声音；③其形容词为 noisy，意为“吵闹的”，可作表语和定语。
voice 作名词，意为“声音”，常指人的嗓音，如：说话声、 歌声等
sound ①作名词，意为“声音”，泛指自然界的各种声音；
②作连系动词，意为“听起来”，其后常接形容词或
介词短语。
Mary has a nice voice.
玛丽有一副好嗓子。
I enjoy the different sounds in nature.
我喜欢大自然中不同的声音。
The idea sounds good. = It sounds like a good idea.
这个主意听起来不错。
Please stop making noise.
请停止制造噪音。
辨析 noise, voice 与 sound
1. Millie sings very well, because she has a good________.
A. voice B. noise C. sound D. face
2. A short drive later, we arrived at a busy, (noise) factory. It’s full of working machines.
3. Tom heard some strange__________(声音). He looked around but saw nothing.
noisy
A
sound
Instant Training
返回
一、单项选择
1. — Tom, it’s time to have breakfast.
—________. I’ll be back in a minute.
A. Hang on. B. That’s too bad.
C. Don’t be afraid. D. What a surprise.
2. As you listen, you can write down the key information such as names and numbers. The_____will help you understand and remember better.
A. notes B. photos C. letters D. bills
A
Exercises
A
3. Developing good reading habits can ___________ our reading speed.
A. review B. receive C. spread D. increase
4. The boy didn’t sleep well last night because of the ________ from the factory.
A. voice B. noise C. music D. song
5. — What a_______ concert hall!
— Yes, it can hold over 1, 000 people.
A. huge B. small C. right D. little
D
B
A
二、根据汉语意思完成句子。
1. 你必须戒烟。它能引起一些疾病。
You must give up smoking. It can ____________________.
2. 你家乡的人口是多少？
___________________________ your home town
3. 这个时候街上车辆太多。
There’s ________________ in the street at this time．
4. 空气污染已经成为我们城市最大的问题之一。
Air pollution has become one of ________________________ in our city.
What’s the population of
cause some illnesses
too much traffic
the biggest problems
1. Listening and Speaking:
Our growing population
2. Key vocabulary:
noise, prepare, notes, report, grow, huge, cause, problem, increase, birth, billion
3. Key structures:
What’s the population of … , prepare… for… , I can’t believe it!
Hang on a minute! Great!
Summary
实践与拓展
任选一个你感兴趣的国家，了解并分析其人口增长的趋势及特点，就其人口增长与城市发展之间的关系做以简单陈述。

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