资源简介

(共17张PPT)
Unit 1 The Changing World
Topic 2 The population in developing countries is growing faster.
Section B
Learning aims
一、重点单词： yet,probably,cinema,population,increase,reach,social,
natural,government,offer；
二英语中数的表达法;
Revision of Section A
Michael and Kangkang went to the shopping center.
Try to retell Section A
Retell
Maria: Hello, Michael.
Where have you been
Michael: I have just been to a shopping center with Kangkang. I've never been there before,
Maria: Why not
Michael: Because there were too many people. and couldn't find each other.
Maria: Bad luck!
Michael: No, . Let's call him up now. I really don't like going to a place like that.
Maria:
but I don't want to go there any more.
We got lost
Have you found him yet
he has probably gone home
Neither do I
I have just called you, but you weren't in.
Kangkang and Michael don’t want to go to the shopping center any more,why
Because there were too many people and they get lost.
Kangkang is reading a report on population in the newspaper.
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. 1.27 billion
Make similar conversations after the example.
Example:
A.: What’s the population of the world
B: It’s about 7.2 billion.
Read 1a and fill in the blanks.
The world has a population of 7.2 billion in 2014 and it is increasing by __________ every year. China’s population has already reached ________ and India has ___________ of 1.27 billion. As the population _______, there will be more pollution and other serious problems. We should find new ways to ________ the environment, for example, making new rules and policies.
82 million
a population
1.36 billion
increases
protect
(Kangkang is reading a report on population in the newspaper.)
Maria: Hi, Kangkang, what are you reading
Kangkang: I am reading a report about world population.
Maria: What does it say
Kangkang: It says the world has a population of 7.2 billion in 2014. And it is increasing by 82 million every year.
Maria: Mmm, that's really a lot.
language points:
关于人口
在报纸上
“人口”，1.形容人口多用large，人口少用small； 2.人口提问用
what’s the population of ...... 3.回答用：it has a population of ......
increase by增加了， increase to增加到
Kangkang: Yes. China's population has already reached 1.36 billion, and India has a population of 1.27 billion.
Maria: What's the population of the USA
Kangkang: 323 million.
Maria: Oh,I see. What else does it say
Kangkang: It also says that as the population increases, there will be more pollution and other serious problems.
达到，够到，到达=arrive in/at =get to
else，其他的，位于不定代词或疑问词之后
随着人口增长
严重的问题
Maria: So,what should we do with the problems
Kangkang: There are a lot of things we should do. We should find new ways to protect the environment, for example, making new rules and policies.
Maria: That's great! Only by working together can we create a better future.
处理=deal with
保护环境
例如=such as
创造一个更好的未来
只有通力合作
(Kangkang is reading a report on population in the newspaper.)
Maria: Hi, Kangkang, what are you reading
Kangkang: I am reading a report about world population.
Maria: What does it say
Kangkang: It says the world has a population of 7.2 billion in 2014. And it is increasing by 82
million every year.
Maria: Mmm, that's really a lot.
Kangkang: Yes. China's population has already reached 1.36 billion, and India has a population of 1.27 billion.
Maria: What's the population of the USA
Kangkang: 323 million.
Maria: Oh,I see. What else does it say
Kangkang: It also says that as the population increases, there will be more pollution and other
serious problems.
Maria: So,what should we do with the problems
Kangkang: There are a lot of things we should do. We should find new ways to protect the
environment, for example, making new rules and policies.
Maria: That's great! Only by working together can we create a better future.
Retell
当堂检测：
1.在报纸上 ____________________
2. 有...的人口_____________________
3. 增加了..._______________________
4. 其余的什么________________________
5. 对人口提问: _________________
6. 保护环境..._________________
7. 只有通力合作_______________________
8. 创造更好的未来___________________________
9.我们应该怎样处理问题？_______________________
in the newspaper
have a population of
increase by
what else
What’s the population of
protect the envirionment
only by working together
create a better future
what should we do with the problems
Summary
1. Learn how to read numbers in English;
2. New words :
population, billion, increase, reach, luckily,
policy, Russia, measure;
3. New phrases:
increase by, developing countries,
developed,countries, carry out, the one-child policy;

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