外研版八年级英语上册课件 Module9 Unit1The population of China is about 1.37 billion.(共39张PPT)

(共39张PPT)
Unit 1
The population of China is about 1.37 billion.
Module 9
Population
How do you feel when you are travelling, especially on holidays
Now let’s look at some pictures.
Sun Yat-sen Mausoleum of Nanjing
南京中山陵
the Great Wall
West Lake
Watch and tell what problem are we meeting with
The population in the world is growing faster and faster.
And it brings a lot of problems.
What problems will the population increase bring to us
Food shortage
Water shortage
Pollution
Ecology destruction (生态破坏)
Traffic problem
What should we do
1. To understand population-related topics
2. Listen to learn the population problems all over the world.
3. To learn to read and understand large numbers
Objectives
Complete the sentences using the words in the box.
people
noise people space traffic
There are too many ______ in the world.
2. At this time of that night, there was no
_______ in the street.
3. That big table takes up too much ______ in
my small kitchen.
4. There was too much ______ in the room and
he needed peace.
traffic
space
noise
Preview
What does the picture show
Brainstorm as many words as you know to describe the picture.
Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
noise people
space traffic
1
P72
There are too many people, but not enough space.
There is a lot of noise in the city, especially on the road.
It’s not easy to find a parking space in big cities.
I hate the noise of the traffic in big cities.
The traffic is so heavy in modern cities.
For reference:
You may describe it by asking and answering questions.
Write down the numbers in English and read them aloud.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
30
40
50
60
70
80
90
100
zero
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
twenty-one
thirty
forty
fifty
sixty
seventy
eighty
ninety
hundred
101
110
122
143
1,000
1,000,000
1,000,000,000
one hundred and one
one hundred and ten
one hundred and twenty-two
one hundred and forty-three
one thousand（千）
one million(百万）
one billion(十亿）
1, 000, 000, 000
billion
million
thousand
123
1,234
12,345
123,345
1,234,567
one hundred and twenty-three
one thousand, two hundred and thirty-four
twelve thousand, three hundred and forty-five
one hundred and twenty-three thousand,
three hundred and forty-five
one million two hundred and thirty-four
thousand five hundred and sixty-seven
comma
逗号
Observe and learn
*从数字的右端向左端数起，每三位数加一个逗号“ , ”。
*从右开始，
第一个“ , ”前的数字后添加 thousand，
第二个 “ , ” 前面的数字后添加 million，
第三个“ , ”前的数字后添加 billion,
然后一节一节分别表示;
*两个逗号之间最大的数为百位数形式。
英语中四位数和四位数以上数字的读法：
7,000
28,000
135,000
7,000,000
4,500,000
79,000,000
350,000,000
21,000,000,000
Let’s practise!
seven thousand
twenty-eight thousand
one hundred and thirty-five thousand
seven million
four million and five hundred thousand
seventy-nine million
three hundred and fifty million
twenty-one billion
2,648
16,250,064
5,237,166,234
two thousand, six hundred and forty-eight
sixteen million, two hundred and fifty thousand and sixty-four
five billion, two hundred and thirty-seven million, one hundred and sixty-six thousand, two hundred and thirty-four
8,742
2,463,128
1,370,000,000
2,000,030,000
Listen and repeat the numbers.
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
P73
5
Listen and choose the correct answer.
What is the population of Beijing
a) About 11 million c) About 20 million
b) About 13 million
2. What is the population of Chongqing
a) About 28 million
b) More than 33 million
c) About 36 million
2
P72
1. Do you think a large population is a problem Why
2. Do you know how many babies are born every minute around the world
Now listen and read the conversation to find the answer.
1. Lingling is preparing some notes for a report called “Our growing population”.
2. Beijing is a small city with a large population.
3. There are too many babies born in a year.
4. In the future, China’s population will grow faster and faster.
Tony
huge
won’t
so fast.
Task 1
Because families in China are getting smaller.
Why did Lingling say they are in the right place to talk about the growing population
2. What is the big problem in many countries now
3. What will the growing population cause
4. Why will China’s population not grow fast in the future
Population increase.
Read and answer the following questions.
Task 2
Because Beijing is a huge city with a large population.
It will cause a lot of problems, such as too much traffic and noise.
People in the world
Babies born every minute in the world
Babies born every year in the world
Population of China
Population of the world
over 250
over 131.4 million
about 1.37 billion
about 7 billion
3
P72
Complete the notes.
Task 3
Read and try to recite the conversations in 5-10 minutes.
Role-play
1. Read the dialogue aloud for a few minutes by yourself;
2. Role play in groups;
3. Role play in front of the class.
We’ll see which group does the best.
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.
4
Task 4
P73
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.
Task 5
Complete the passage with proper words.
_________________ is a big problem in many countries. Over 250 babies are born every ________ in the world. That _______ over 131.4 million _____ a year. Large population ______ a lot of problems, such as too much _______ and _____. China has a large population. But it won’t ___________ in the future, because families in China are _____________.
Population increase
minute
makes
traffic noise
grow so fast
getting smaller
causes
births
Check(√) the statements you agree with.
1. There are too many people in the world.
2. The increasing population is the biggest problem in the world.
3. People shouldn’t have too many babies.
4. A city should not hold more than one million people.
6
P73
Pronunciation and speaking
Now work in groups and discuss your answers. Then finish the table.
Pros Cons Reasons
Statement 1
Statement 2
Statement 3
Statement 4
Tip: Tick(√) the one/ones you agree with.
总结回顾
1. large/big/small population
2. too many/much
3. That makes over 131.4 million births a year.
4. Beijing is a huge city with a large population.
5. I can’t believe it!
6. Hang on a minute!
7. Great!
本课时主要短语和句型
Now 2 minutes to test your spelling.
Spelling Bee
1. English-Chinese
notes problem billion noise huge hang on report birth fifth
2. Chinese-English
准备; 预备 增大; 增长 造成; 引起
When finishing, exchange your papers to see who does the best.
Quiz
We saw some monkeys in the ____　　　　
(巨大的) cage.
2. Mr Black will give us an important ______ (报告) tomorrow.
3. The population is _________ (增长) quickly in some countries now.
4. He was on business in Beijing at the
______ (出生) of his son.
5. The population of the whole world is over seven _______ (十亿).
I. 根据所给提示填空。
huge
report
increasing
birth
billion
The students are _________ for the next
sports meeting now.
2. Don’t make any _____! The baby is
sleeping.
3. There is a lot of rain this year. The plants
______ well.
4. Bad weather always ______ some trouble in our daily life.
5. — These ________ are too difficult.
— Don’t worry. We can help you work them out.
Ⅱ. 用所给单词的正确形式完成句子。
noise, problem, cause, grow, prepare
preparing
noise
grow
causes
problems
Ⅲ. 根据提示完成句子，每空一词。
1. 每天不要吃太多的肉。
Don’t eat _____ _____ meat every day.
2. 稍等！我就去叫他。
　______ _____! I’ll go and call him.
3. 人们必须关注世界人口增长问题。
People must pay attention to the
_________ _________ of the world.
too much
population increase
Hang on
4. 我们班五分之一的学生喜欢踢足球。
　_____ _____ of the students in our class
enjoy playing football.
5. 这个乡村的人口是多少？
What’s _____ __________ ____ this
village
One fifth
the population of
Ⅳ. 按要求完成句子，每空一词。
The population of our village is about
two thousand. (对划线部分提问)
______ _____ _________ _____ your village
2. Shanghai is a huge city. It has got lots of people. (合并为一个简单句)
Shanghai is a huge city ______ ______ ______ ____________.
What’s the population of
with a
large population
3. Wait a minute, please. I’m coming.
(改为同义句)
______ ______ a minute, please. I’m
coming.
4. They spent 1,000,000,000 yuan in
building the bridge. (改为同义句)
They spent ______ ______ yuan in
building the bridge.
Hang on
one billion
1. Finish the exercises in Learning English.
2. Preview the passage “Could it be your town ” on page 74.
Homework