资源简介

(共18张PPT)
Dec.3rd, 2021
Module
9
Population
Unit 1 The population of China is about 1.37 billion.
Period 1
【学习目标】
1.识别英语中的大数字，听懂并正确读出大数字； 2.听懂有关人口的对话并从中获取有用信息，运用已有知识谈论相关话题；3.了解世界的人口问题并由衍生出的其他问题。
About numbers
one hundred 一百
one thousand 一千
one million 一百万
one billion 十亿
ten billion 一百亿
one hundred billion 一千亿
one trillion 一万亿（一兆）
100
1,000
1,000,000
1,000,000,000
10,000,000,000
100,000,000,000
1,000,000,000,000
billion /'bIlj n / num 十亿 .
书写时每三位划分为一个单位。
About numbers
6，500，431，729
seven hundred and twenty-nine
thousand
million
billion
six
billion,
five hundred million,
four hundred and thirty-one thousand,
十位与百位间用 “and”。
About numbers
19
34
78
60
500
780
1300
870
29
Read the numbers
315,000,000
11,000,000
27,000,000
2,000,000,000
46,000,000,000
9,000,000
Read the numbers
8,742
2,463,128
1,370,000,000
2,000,030,000
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
1.37 billion
point
write the numbers
What are these big numbers for
1 China a) 4,437,000
2 the US b) 22,956,000
3 Australia c) 314,791,000
4 New Zealand d) 1,370,537,000
China has a population of 1,370,537,000.
The population of the US is 314,791,000.
22,957,000 people live Australia.
4,437,000 people live in New Zealand.
Match the numbers
P76 A2
1,395,000,000
7,594,000,000
almost one fifth
About the population
The population of the world is growing.
增长
/'I kri:s /
increasing
The population is getting _______.
larger
1.39∕7.5≈
What’s the city centre of Beijing like
a) a lot of traffic b) too many people c) not enough space d) a lot of noise
2. What’s the population of Beijing
a) About 11 million. b) About 13 million. c) About 20 million.
3. What’s the population of Chongqing
a) About 28 million. b) More than 33 million. c) About 36 million.
Listen and choose.
Which city has the largest population in China
Does Tony know much about the population of China
About the population of China
It’s huge.
Write a report about the population of China.
He was searching on the Internet.
notes for the report.
to prepare some
1.What is Tony’s report called
a) Our growing population.
Listen and answer.
b) Our increasing population.
2.Will China’s population grow fast in the future
Why or why not
No, it won’t.
Because families are getting smaller.
Listening
Listen again and complete the notes.
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
(over 131,400,000)
(about 1,370,000,000)
Listening
The huge number shows the large population
Which words does the writer stress Why
too many people
not enough space
_____
____
too much ______
noise
too much ________
too much_______
traffic
pollution
not enough ________
water or food
What will happen if the population increase
These problems happen because of population increase.
Population increase causes many problems.
Population in the world Babies born every minute:
Babies born every year:
Population of China:
Population of the world…
Influences（影响）caused by population
What will the population be in 2050
Discuss in your groups and give a report.
Report：
We think in 2050,there will be more/fewer people in the world.
…babies are born every minute. That makes … births a year.
The population of China will be ...
The population of … will be …
so there will be more/less…(造成的影响)
Group work
1.课时特训M9U1
2.背诵M9U1，复习单词
3.大阅读M9完形
Homework
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