资源简介

(共23张PPT)
Unit 1 The Changing World
Topic 2 The population in developing countries is growing faster.
Section B
Teaching Objectives
Knowledge aims:
学习并掌握新单词：population、increase、reach、Russia…
学会数字的读法
2. Skill aims:
在图文的帮助下根据听力内容完成相关活动的练习
有意识训练学生的听数字技能
3. Emotional aims:
进一步介绍中国及世界人口问题，引起我们对人口问题的思考。
New Words
1.population / p pju le n/ n.
4.reach / ri t / v.
2.billion / b lj n/ num.
3.increase / n kri s/ v.
8.measure / me (r) / n.
7.Russia / r / n.
6.policy / p l si / n.
5.luckily / l k li / adv.
Task 11
Number in our daily life.
Class 2, Grade 9
Class 4, Grade 9
one hundred and five
Twenty twenty-two Winter Olympics
two point two six meters tall
one point nine eight meters tall
1,000,000,000
one billion
1,000,000
one million
1,000
one thousand
3.14
three point one four
100
one hundred
Task 12
Look、read and say.
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.
How to read numbers
1 , 0 0 0 , 0 0 0 , 0 0 0
billion(十亿)
million(百万)
thousand(千)
1 0 0 0 0 0 0 0 0 0
Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner.
Task 13-2
Tips
从右边数起，每三个数字为一组，用逗号隔开
第一个逗号是：thousand(千)
第二个逗号是：million(百万)
第三个逗号是：billion(十亿)
Read and listen the numbers, playing special attention to the intonation.
Task 14-2
1 , 0 0 0 , 0 0 0 , 0 0 0
million
billion
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
Task 15-2
Have a Try.
1 , 0 0 0 , 0 0 0 , 0 0 0
thousand
million
billion
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
Task 2
Watch a video and discuss the population of the world.
The (人口) will (增长) to eight billion. What a (大的) population!
population
large
increase
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
Task 3-1b
Listen to 1a and match the information.
Task 3-1a
(Kangkang is reading a report on population in the newspaper.)
Kangkang: Wow! What a large population!
Maria : What
Kangkang: Look it says the world has a population of 7.2 billion. And it is increasing 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 reached 1.36 billion and India is
second with 1.27 billion.
Look at 1a and find out the key points.
on = about 关于
a population of + 数字
……人口数量
increase by + 数字 “增加了…”
with，“有….”
Task 3-1a
Maria : What's the population of the USA
Kangkang: 323 million.
Maria : Oh. I see. It shows that the population in developing countries is larger than
that in developed countries, doesn't it
Kangkang: Yes. What’s more, the population in developing countries is growing faster.
Maria : So it is. The population problem has become more serious in developing
countries.
Kangkang: Luckily, China has already carried out some policies to solve the problem.
What’s the population of + 国家？
询问人口数量
developing countries 发展中国家
developed countries 发达国家
that = the population
替代前文所指的名词单数
carry out = take 采取
Task 3-1a
(Kangkang is reading a report on population in the newspaper.)
Kangkang: Wow! What a large population!
Maria : What
Kangkang: Look it says the world has a population of 7.2 billion. And it is increasing 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 reached 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 developing countries is larger than
that in developed countries doesn't it
Kangkang: Yes. What’s more, the population in developing countries is growing faster.
Maria : So it is. The population problem has become more serious in developing countries.
Kangkang: Luckily, China has already carried out some policies to solve the problem.
1. What a large population!
2. increase by
3. China has the largest population.
4. developing countries
5. What’s the population of the U.S.A
6. developed countries
7. carry out
8. one-child policy
在文中找到并翻译中文
这么多人口！
增加了
中国有最大的人口。
发展中国家
美国有多少人口？
发达国家
执行
一孩政策
导学案-1
Task 3-1c
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 1.31 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
Task 4-3
Work in groups and discuss the population of the world. The follow chart and questions may help you.
1. Which of these 5 countries has the largest/smallest population What’s the
population of it
2. What can you tell from the population in developing countries and in developed
countries
3. What problems does the large population cause
4. What measures do you think should be taken to solve the population problem
Task 4-31
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 1.37 billion. Canada has the smallest population. The population of Canada is 35 million.
Every year we have 82 million more.
Task 4-32
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.
Every year we have 82 million more.
Task 4-33
3. What problems does the large population cause
The large population may cause less living space, more pollution and so on.
Every year we have 82 million more.
Task 4-34
4. What measures do you think should be taken to solve the population problem
Every year we have 82 million more.
单项选择
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
5. House prices increased an average of 23% in 1998.
A. with B. to C. at D. by
导学案-3
Summary
Knowledge aims:
学习并掌握新单词：population、increase、reach、Russia…
学会数字的读法
2. Skill aims:
在图文的帮助下根据听力内容完成相关活动的练习
有意识训练学生的听数字技能
3. Emotional aims:
进一步介绍中国及世界人口问题，引起我们对人口问题的思考。
Homework
Review the new words and useful expressions in Section B.
2. Practice 1a and 2 and by yourself.
3. Preview the new lesson, Section C

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