(共27张PPT)
Uni
Unit 1 Topic2 The population in developing countries is growing faster. Section B
1. Some words:
population, billion, increase, reach, luckily, policy, Russia, measure
2. Some phrases:
increase by, developing countries, developed
countries, carry out, the one-child policy
3. Some sentences:
What a large population!
The world has a population of 7.2 billion.
So it is.
今日头条
The world has a population of 7.2 billion.And it is increasing by 82 million every year.Russia has reached 143 million.Luckily,it has taken some measures to solve the problem.
population [ p pj le n] n.人口
billion ['b lj n] num.十亿
increase [ n'kri s] v.(使)增加
Russia [ r ] n.俄罗斯
reach [ri t ] v.实现;达到;
luckily ['l k li] adv.幸运地
measure [ me ] n.措施,方法
Word bank
population [ p pj le n] n.人口
billion ['b lj n] num.十亿
increase [ n'kri s] v.(使)增加
Russia [ r ] n.俄罗斯
luckily ['l k li] adv.幸运地
reach [ri t ] v.实现;达到;
measure [ me ] n.措施,方法
policy [ p l si] n.政策,方针
increase
population
measure
reach
policy
Russia
billion
play a game
What are they reading Can you guess
Look and guess
Work on 1b
Listen to 1a and match the information.
1. the world
2. China
3. India
4. the USA
A. 323 million
B.7.2 billion
C. 1.36 billion
D. 1.27billion
Work on 2
Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner.
First, try to separate the number in groups of three from right to left.
Then read it in order from billion to million and thousand.
1 0 0 0 0 0 0 0 0 0
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
543.7
five hundred and forty-three point seven
1 562
one thousand, five hundred and sixty-two
6 004 001
six million, four thousand and one
7 198 764 502
seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
973
nine hundred and seventy-three
3 980
three thousand , nine hundred and eighty
98 721
ninety-eight thousand , seven hundred and twenty-one
768 540
seven hundred and sixty-eight thousand , five hundred and forty
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
2 346 780
two million, three hundred and forty-six thousand, seven hundred and eighty
82 346 580
eighty-two million, three hundred and forty-six thousand, five hundred and eighty
405 000 000
four hundred and five million
5 555 555 555
five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five
Work on 1b
Make similar conversations after the example.
1. the world
2. China
3. India
4. the USA
A. 323 million
B.7.2 billion
C. 1.36 billion
D. 1.27 billion
Example:
A.: What’s the population of the world
B: It’s about 7.2 billion.
What’s the population of
.....的人口是多少?
Work on 1a
Listen again and fill in the blanks.
(Kangkang is reading a report on population in the newspaper)
Kangkang: Wow! What a large(1) !
Maria:What
Kangkang: Look, it says the world has a population of 7 .2 (2) . Andit is (3) by 82 million every year.
Maria:Mmm, that's really a lot. Which country has the largest population
Kangkang: China has the largest population.
population
billion
increasing
Work on 1a
Listen again and fill in the blanks.
It has already (4) 1.36 billion, and India is second with 1.27 billion.
Maria:What's the population of the USA
Kangkang: 323 million.
Maria:Oh, I see. It shows that the population in (5) countries is larger than that in developed countries,doesn't it
Kangkang: Yes. What's more, the population in developing countries is growing faster.
reached
developing
Work on 1a
Listen again and fill in the blanks.
Maria:So it is. The population problem has become more serious in developing countrics.
Kangkang: (6) , China has already carried out some
(7) to slove the problem.
Luckily
policies
Language points
population
billion
increasing
....的人口
increase by 增加了 increase to 增加到
(Kangkang is reading a report on population in the newspaper)
Kangkang: Wow! What a large(1) !
Maria:What
Kangkang: Look, it says the world has a population of 7.2 (2) . And it is (3) by 82 million every year.
Maria:Mmm, that's really a lot. Which country has the largest population
Kangkang: China has the largest population.
It has already (4) 1.36 billion, and India is second with 1.27 billion.
Maria:What's the population of the USA
Kangkang: 323 million.
Maria:Oh, I see. It shows that the population in (5) countries is larger than that in developed countries,doesn't it
Kangkang: Yes. What's more, the population in developing countries is growing faster.
reached
developing
Language points
发展中国家
发达国家
此外,而且
Luckily
policies
Language points
So +主语+ be/情态动词/助动词 的确如此
carry out 执行,实施
Maria:So it is. The population problem has become more serious in developing countrics.
Kangkang: (6) , China has already carried out some
(7) to slove the problem.
Language points
So it is.
so +主语+ be/情态动词/助动词 的确如此
The supermarket is very crowded.
So it is.
Lucy dances very well.
So she has.
Play a game
carry out
increase by
What’s more
a population of
发展中国家
increase to
发达国家
Work on 1c
Read 1a and fill in the blanks.
The world has a population of 7.2 billion and it is increasing by __________ every year. _______ has the largest population. It has already reached __________ and India is _________ with 1.27 billion. The population in developing countries is ______ and is growing ________ than that in developed countries. Luckily, our country has carried out some policies to ______the problem.
82 million
China
1.36 billion
second
larger
faster
solve
Work on 3
Work in groups and discuss the population of the world. The following chart and questions may help you.
1. Which of these 5 countries has the largest/smallest
population What’s the population of it
China has the largest population. The population of China is 1.36 billion. Canada has the smallest population. The population of Canada is 36 million.
Work on 3
Work in groups and discuss the population of the world. The following chart and questions may help you.
2. What can you tell from the population in developing countries and in developed countries
The population in developing countries is larger than that in developed countries.
Work on 3
Work in groups and discuss the population of the world. The following chart and questions may help you.
3. What problems does the large population cause
The large population may cause less living space, more pollution and so on.
Work on 3
Work in groups and discuss the population of the world. The following chart and questions may help you.
4. What measures do you think should be taken to solve the population problem
Choose the best answer.
1. — ______ is the population of Russia
— 143 million.
A. How much B. How many C. What D. How
2. There are ______ students in our school.
A. three thousands B. three thousands of
C. three thousand of D. three thousand
3. — Jenny always helps others.
— ______.
A. So is she B. So she is C. So does she D. So she does
4. The population of China is ______ than that of
Japan.
A. larger B. more C. fewer D. less
C
D
D
A
Thank you!