(共58张PPT)
To understand population-related topics
To learn some key words and useful expressions
To listen for specific information
To be able to read and understand large numbers
noise
prepare
report
billion
huge
increase
n.噪声；杂音
v.准备；预备
n.报告；汇报
num. 十亿
a.巨大的；庞大的
v./n.增长；增大
Words and expressions
hang on
notes
cause
problem
grow
birth
（口）稍等
n.(pl)笔记；随笔
v.造成；引起
n.麻烦；问题
v.(grew)增大；增长
n.出生
Words and expressions
Do you know how many people are there in the world now
8 billion
One day, the world will be like this.
It’s about 1.44 billion.
What’s the population of China
a huge city with a large population too many _______
cause a lot of problems
too much ________
too much ________
too many _______
_________________ is a big problem in many countries.
Population increase
city shop noise people traffic
people
traffic
noise
shops
1 Work in pairs. Look at the picture and talk about it.
Use the words in the box to help you.
a huge city
too much traffic
too many people
too much noise
large population
too many shops
causes many problems
What’s the population of New York
a) About 17 million
b) About 9 million
c) About 30 million
2. What is the population of Tokyo
a) About 4 million
b) About 28 million
c) About 14 million
2 Listen and choose the correct answer.
1. What is Tony doing
She is preparing a report.
2. Who watched a video about world population yesterday
Lingling.
3. How many people will India have by 2030 according to the passage
About 1.5 billion people.
4. What kind of problems will a country meet if its population increases too fast
It will meet problems such as too much traffic and noise.
Now complete the notes.
Population of the world in 2020:_______________
Population of the world in 2030: _______________
Population of India in 2030:________________
about 7.8 billion
8.5 billion
about 1.5 billion
Lingling: What are you doing
Tony: I’m preparing a report called “The world’s
population”.
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
Lingling: The largest increase in population will take place
in India, Nigeria and Pakistan. By 2030, India
will have about 1.5 billion people.
Tony: Hang on a minute! I will make some notes!
Lingling: When populations increase too fast, it can cause
problems, such as too much traffic and noise.
Tony: That’s true. How about countries with slow-
growing populations
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 old ones.
Tony: I see. Great, thanks for the information! Now I
can write my report.
【知识点1】population的用法
知识点再现
What is the population of New York 纽约的人口有多少？（P72）
（1）英语中询问人口的多少不能用how much 或how many，而要用 what。常用句型为“What’s the population of+地点 ”，还可以用“What about the population of+地点？”或“How large/big+be+the population of+地点、范围？”的句型来对人口数量的多少提问。
（2）population是个集合名词，意为“人口；人数”。
【拓展】
（1）population在句中作主语时，谓语动词多用单数形式，但是若出现分数、百分数修饰人口时，谓语动词用复数形式。
（2）表示某国、某城市有多少人口时，可用“某地+ has /have a population of...”或“It’s about+数量词+in+某地”结构。
（3）不能用many, few, much, little等词修饰population，而要用large, big或small修饰。
用法实例
What about the population of Huizhou 惠州的人口有多少？
The population of Germany is about 81 million.
德国大约有八千一百万人口。
Four fifths of the population in this city are workers.
这个城市五分之四的人口是工人。
Is the population in Dongguan bigger / larger / smaller than that in Huizhou 东莞人口比惠州多/少吗？
1. ______ is the population of Guangdong Province
A. How many B. Which C. How much D. What
2. Now the population of Tianjin is ______ than that of
Shanghai.
A. more B. less C. smaller D. fewer
3. The population of China ____ large. (用be动词的适当形式填空)
4. There are about 300,000 people in the city. (改为同义句)
The city __________________ about 300,000.
5. How many people are there in Europe (改为同义句)
_____________________ of Europe
D
is
has a population of
What’s the population
C
【知识点2】 prepare的用法
知识点再现
I’m preparing a report called “The world’s population”. 我正在准备一篇叫“世界的人口”的报告。（P72）
用法实例
Hope for the best and prepare for the worst.
抱最好的希望，做最坏的准备。
How do I prepare for the exams
我要怎样为这些考试做准备？
Please prepare to get off from the rear door.
请您准备从后门下车。
根据汉语意思完成句子。
1. 我们必须为客人预备一个房间。
We must _______ a room ____ our guest.
2. 我准备好去和我的朋友吃晚餐。
I have ________ ___ have dinner with my friends.
prepare
for
prepared
to
【知识点3】increase的用法
知识点再现
The largest increase in population will take place in India, Nigeria and Pakistan. 在人口方面最大的增长将会发生在印度，尼日利亚和巴基斯坦。（P72）
用法实例
The population of this city has greatly increased.
这个城市的人口已大大增加。
The car factory increases its production to 10,000 a year.
这个汽车厂的产量增加到每年一万辆。
The number of party members has increased by more than 4,000,000 since then.
从那时到现在，党员数量增加了400多万人。
1. My salary _______ 10,000 yuan each month.
A. increased by B. increased to
C. increased for D. increased in
2. The population of this city _______ 5% last year.
A. increased by B. increased to
C. increased for D. increased in
3. The population of the earth is _______ very fast.
A. increase B. increases
C. increasing D. increased
B
A
C
【知识点4】problem与question的区别
知识点再现
When populations increase too fast, it can cause problems, such as too much traffic and noise. 当人口增长太快的时候，它会引起问题，比如太多的车辆和噪音。（P72）
用法实例
The problem is difficult to be solved. 这个问题很难解决。
May I ask you some questions 我可以问你一些问题吗？
选词填空。
1. Can you work out this maths ________
2. It’s a ________ of money.
3. You haven’t answered my ________.
4. This ________ on the environmental protection floored
each of us.
problem question
problem
question
question
problem
【知识点5】 noise, sound与voice的区别
知识点再现
When populations increase too fast, it can cause problems, such as too much traffic and noise. 当人口增长太快的时候，它会引起问题，比如太多的车辆和噪音。（P72）
用法实例
Don’t make any noise! 别吵闹!
Light travels much faster than sound. 光的传播速度比声音快得多。
When the teacher came into the classroom，our monitor spoke in a loud voice, “Stand up!” 当老师走进教室时，班长大声喊：“起立!”
选词填空。
1. At midnight he heard a strange ______.
2. The _____ of traffic kept him awake.
3. The girl has a beautiful _____.
4. The _____ wakes me up.
5. They are talking in low ______.
noise sound voice
sound
noise
voice
voices
noise
Listen to the tape and follow it.
Then read it together.
I can’t believe it!
Hang on a minute!
Great!
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 wait 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.
4 Choose the correct answer.
8,742
2,463,128
1,370,000,000
2,000,030,000
5 Listen and repeat.
eight thousand, seven hundred and forty-two
two million, four hundred and sixty-three thousand, one hundred and twenty-eight
one billion, three hundred and seventy million
two billion and thirty thousand
Now work in pairs and give your talk.
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 population
●What else do you know about the world’s population
小结提升。
这节课我学到了：
本单元主要的单词、短语和句型
Words:
noise, prepare, report, billion, huge, increase, notes, cause, problem, grow, birth
Phrases:
the population of, climb to, take place, hang on a minute, make notes, cause problems, such as, too much, birth rates, look after, thanks for
Patterns:
I can’t believe it!
Hang on a minute!
1. We always make _____ (note) carefully in class.
2. The baby weighed seven pounds at ______ (bear).
3. The population of our city ___ (be) about 230,000.
4. He wants to be a ________ (report) when he grows up.
5. I have a lot of _________ (problem). I need your help.
6. The population is __________ (increase) quickly.
7. Most of them _____ (grow) rice in this area last year.
8. It’s so ______ (noise) in this supermarket.
9. Lucy got the ______ (five) place in the competition.
She has tried her best.
一、用括号内所给单词的适当形式填空。
notes
birth
is
reporter
problems
increasing
grew
noisy
fifth
二、单项选择。
1. The population _____ fast in India and China now.
A. increase B. is increasing C. increased D. are increasing
2. The boy didn’t sleep well because of the _____ from the factory.
A. voice B. noise C. music D. song
3. Elvis Presley sold more than two _____ records(唱片) all his life.
A. billions B. billion of C. billions of D. billion
4. About _____ of the teachers in the school _____ born in the
1990s.
A. three five; were B. three fifth; was
C. three fifths; were D. third fifths; was
5. —Hello! May I speak to Mary, please
—_____. I’ll go and get her.
A. Speaking B. Hang on, please
C. I don’t think so D. Hurry up, please
B
B
D
C
B
6. China has _____ population in the world.
A. more B. the most C. the largest D. the fewest
7. —_____ is the population of China, Jack
—Let me think for a moment. It is about _____.
A. How many; 1, 447 million B. What; 1, 447 million
C. What; 47 million D. How many; 147 million
8. My cousin is _____ heavy because he often eats ____ fast food.
A. too much; too many B. too many; too much
C. much too; too much D. too much; much too
9. ---- Can you write the number eighty-five thousand, six hundred
and twenty-six
---Yes, it is ________.
A. 856,620 B. 85,626 C. 58,662 D. 58,626
10. _____! How can you finish your homework in five minutes
A. Good idea B. That’s all right
C. No problem D. I can’t believe it
C
B
C
B
D
1. ……的人口 _________________
2. 爬到……上_______________
3. 发生_______________
4. 稍等_______________
5. 做笔记_______________
6. 引发问题，制造麻烦_______________
7. 比如 _______________
8. 太多_______________
9. 出生率_______________
10. 照顾_______________
11. 因/为…… 而感谢_______________
hang on
the population of ...
climb to...
such as
too much
make some notes
take place
birth rates
look after
三、翻译下列短语。
thanks for…
cause problems
Homework
1. 记住本节课所学单词、短语、句子和知识点，读熟U1的对话。
2. 完成本单元练习册的作业。
3. 预习Unit 2。
